Chelmsford Weather Station

Daily / Monthly Weather History From This Station

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April 2021 March 2021 February 2021 January 2021 December 2020 November 2020 October 2020 September 2020 August 2020 July 2020 June 2020 May 2020 April 2020 March 2020 February 2020 January 2020 December 2019 November 2019 October 2019 September 2019 August 2019 July 2019 June 2019 May 2019 April 2019 March 2019 February 2019 January 2019 December 2018 November 2018 October 2018 September 2018 August 2018 July 2018 June 2018 May 2018 April 2018 March 2018 February 2018 January 2018 December 2017 November 2017 October 2017 September 2017 August 2017 July 2017 June 2017 May 2017 April 2017 March 2017 February 2017 January 2017 December 2016 November 2016 October 2016 September 2016 August 2016 July 2016 June 2016 May 2016 April 2016 March 2016 February 2016 January 2016 December 2015 November 2015 October 2015 September 2015 August 2015 July 2015 June 2015 May 2015 April 2015 March 2015 February 2015 January 2015 December 2014 November 2014 October 2014 September 2014 August 2014 July 2014 June 2014 May 2014 April 2014 March 2014 February 2014 January 2014 December 2013 November 2013 October 2013 September 2013 August 2013 July 2013 June 2013 May 2013 April 2013 March 2013 February 2013 January 2013

Daily Report for the month of April 2021

1 April Average and Extremes
Average temperature	9.4°C
Average humidity	85%
Average dewpoint	6.8°C
Average barometer	1025.5 hPa
Average windspeed	1.8 mph
Average gustspeed	5.0 mph
Average direction	82° (E)
Rainfall for month	0.0 mm
Rainfall for year	167.3 mm
Maximum rain per minute	0.0 mm on 01 at 00:00
Maximum temperature	14.5°C on 01 at 14:16
Minimum temperature	5.6°C on 01 at 00:00
Maximum humidity	100% on 01 at 07:31
Minimum humidity	63% on 01 at 14:12
Maximum pressure	1029.8 hPa on 01 at 23:44
Minimum pressure	1020.3 hPa on 01 at 00:01
Maximum windspeed	4.7 mph on 01 at 15:17
Maximum gust speed	15.0 mph from 100 °(E) on 01 at 15:08
Maximum heat index	14.5°C on 01 at 14:12

24 Hour Graph of this day is not available (20210401.gif)

2 April Average and Extremes
Average temperature	6.8°C
Average humidity	74%
Average dewpoint	2.4°C
Average barometer	1030.7 hPa
Average windspeed	1.6 mph
Average gustspeed	5.1 mph
Average direction	71° (ENE)
Rainfall for month	0.0 mm
Rainfall for year	167.3 mm
Maximum rain per minute	0.0 mm on 02 at 23:59
Maximum temperature	11.2°C on 02 at 14:25
Minimum temperature	5.0°C on 02 at 07:33
Maximum humidity	89% on 02 at 23:57
Minimum humidity	58% on 02 at 14:32
Maximum pressure	1032.3 hPa on 02 at 23:46
Minimum pressure	1029.0 hPa on 02 at 05:14
Maximum windspeed	3.5 mph on 02 at 20:17
Maximum gust speed	15.0 mph from 054 °(NE) on 02 at 20:07
Maximum heat index	11.2°C on 02 at 14:25

24 Hour Graph of this day is not available (20210402.gif)

3 April Average and Extremes
Average temperature	7.0°C
Average humidity	72%
Average dewpoint	2.3°C
Average barometer	1032.3 hPa
Average windspeed	1.4 mph
Average gustspeed	4.6 mph
Average direction	66° (ENE)
Rainfall for month	0.0 mm
Rainfall for year	167.3 mm
Maximum rain per minute	0.0 mm on 03 at 23:59
Maximum temperature	9.9°C on 03 at 17:25
Minimum temperature	5.1°C on 03 at 01:29
Maximum humidity	93% on 03 at 01:32
Minimum humidity	58% on 03 at 17:25
Maximum pressure	1033.7 hPa on 03 at 12:25
Minimum pressure	1031.3 hPa on 03 at 03:07
Maximum windspeed	4.6 mph on 03 at 07:40
Maximum gust speed	16.1 mph from 083 °(E) on 03 at 08:42
Maximum heat index	9.9°C on 03 at 16:59

24 Hour Graph of this day is not available (20210403.gif)

4 April Average and Extremes
Average temperature	9.2°C
Average humidity	67%
Average dewpoint	3.1°C
Average barometer	1025.3 hPa
Average windspeed	0.7 mph
Average gustspeed	2.4 mph
Average direction	321° (NW)
Rainfall for month	0.0 mm
Rainfall for year	167.3 mm
Maximum rain per minute	0.0 mm on 04 at 23:59
Maximum temperature	16.1°C on 04 at 16:02
Minimum temperature	4.4°C on 04 at 07:05
Maximum humidity	82% on 04 at 07:10
Minimum humidity	39% on 04 at 16:13
Maximum pressure	1031.8 hPa on 04 at 00:16
Minimum pressure	1015.9 hPa on 04 at 23:59
Maximum windspeed	3.3 mph on 04 at 16:34
Maximum gust speed	13.8 mph from 280 °(W) on 04 at 23:27
Maximum heat index	16.1°C on 04 at 16:02

24 Hour Graph of this day is not available (20210404.gif)

5 April Average and Extremes
Average temperature	5.9°C
Average humidity	57%
Average dewpoint	-2.6°C
Average barometer	1017.6 hPa
Average windspeed	2.7 mph
Average gustspeed	7.5 mph
Average direction	355° (N)
Rainfall for month	0.0 mm
Rainfall for year	167.3 mm
Maximum rain per minute	0.0 mm on 05 at 23:59
Maximum temperature	9.4°C on 05 at 00:09
Minimum temperature	1.3°C on 05 at 23:58
Maximum humidity	84% on 05 at 05:54
Minimum humidity	26% on 05 at 16:13
Maximum pressure	1021.7 hPa on 05 at 23:59
Minimum pressure	1012.6 hPa on 05 at 05:25
Maximum windspeed	11.7 mph on 05 at 06:22
Maximum gust speed	31.1 mph from 351 °(N) on 05 at 05:54
Maximum heat index	9.4°C on 05 at 00:05

24 Hour Graph of this day is not available (20210405.gif)

6 April Average and Extremes
Average temperature	2.7°C
Average humidity	64%
Average dewpoint	-4.0°C
Average barometer	1019.9 hPa
Average windspeed	2.0 mph
Average gustspeed	5.6 mph
Average direction	351° (N)
Rainfall for month	0.0 mm
Rainfall for year	167.3 mm
Maximum rain per minute	0.0 mm on 06 at 23:59
Maximum temperature	7.9°C on 06 at 13:55
Minimum temperature	-0.9°C on 06 at 07:12
Maximum humidity	89% on 06 at 23:57
Minimum humidity	36% on 06 at 17:24
Maximum pressure	1021.7 hPa on 06 at 00:01
Minimum pressure	1017.9 hPa on 06 at 17:00
Maximum windspeed	7.5 mph on 06 at 13:52
Maximum gust speed	23.0 mph from 349 °(NNW) on 06 at 17:21
Maximum heat index	7.9°C on 06 at 13:51

24 Hour Graph of this day is not available (20210406.gif)

7 April Average and Extremes
Average temperature	3.3°C
Average humidity	65%
Average dewpoint	-3.4°C
Average barometer	1023.2 hPa
Average windspeed	1.9 mph
Average gustspeed	5.1 mph
Average direction	333° (NNW)
Rainfall for month	0.0 mm
Rainfall for year	167.3 mm
Maximum rain per minute	0.0 mm on 07 at 23:59
Maximum temperature	9.3°C on 07 at 15:56
Minimum temperature	-1.9°C on 07 at 05:38
Maximum humidity	94% on 07 at 06:08
Minimum humidity	39% on 07 at 16:11
Maximum pressure	1024.8 hPa on 07 at 23:59
Minimum pressure	1021.4 hPa on 07 at 03:34
Maximum windspeed	7.4 mph on 07 at 10:22
Maximum gust speed	26.5 mph from 340 °(NNW) on 07 at 06:25
Maximum heat index	9.3°C on 07 at 15:56

24 Hour Graph of this day is not available (20210407.gif)

8 April Average and Extremes
Average temperature	7.8°C
Average humidity	66%
Average dewpoint	1.6°C
Average barometer	1021.4 hPa
Average windspeed	1.8 mph
Average gustspeed	4.9 mph
Average direction	268° (W)
Rainfall for month	0.0 mm
Rainfall for year	167.3 mm
Maximum rain per minute	0.0 mm on 08 at 23:59
Maximum temperature	14.3°C on 08 at 14:55
Minimum temperature	2.3°C on 08 at 06:39
Maximum humidity	86% on 08 at 06:47
Minimum humidity	48% on 08 at 14:54
Maximum pressure	1025.0 hPa on 08 at 00:57
Minimum pressure	1016.1 hPa on 08 at 23:59
Maximum windspeed	5.4 mph on 08 at 14:56
Maximum gust speed	17.3 mph from 257 °(WSW) on 08 at 14:54
Maximum heat index	14.3°C on 08 at 14:51

24 Hour Graph of this day is not available (20210408.gif)

9 April Average and Extremes
Average temperature	8.8°C
Average humidity	75%
Average dewpoint	4.3°C
Average barometer	1013.3 hPa
Average windspeed	0.9 mph
Average gustspeed	3.2 mph
Average direction	299° (WNW)
Rainfall for month	0.3 mm
Rainfall for year	167.6 mm
Maximum rain per minute	0.3 mm on 09 at 20:16
Maximum temperature	14.7°C on 09 at 15:08
Minimum temperature	4.4°C on 09 at 05:10
Maximum humidity	95% on 09 at 05:43
Minimum humidity	44% on 09 at 15:09
Maximum pressure	1016.2 hPa on 09 at 00:07
Minimum pressure	1011.5 hPa on 09 at 15:52
Maximum windspeed	4.0 mph on 09 at 08:50
Maximum gust speed	17.3 mph from 290 °(WNW) on 09 at 12:28
Maximum heat index	14.7°C on 09 at 15:08

24 Hour Graph of this day is not available (20210409.gif)

10 April Average and Extremes
Average temperature	6.1°C
Average humidity	79%
Average dewpoint	2.5°C
Average barometer	1013.6 hPa
Average windspeed	1.7 mph
Average gustspeed	4.7 mph
Average direction	106° (ESE)
Rainfall for month	0.3 mm
Rainfall for year	167.6 mm
Maximum rain per minute	0.3 mm on 10 at 13:46
Maximum temperature	8.9°C on 10 at 16:45
Minimum temperature	2.6°C on 10 at 23:59
Maximum humidity	97% on 10 at 07:02
Minimum humidity	58% on 10 at 17:06
Maximum pressure	1014.9 hPa on 10 at 23:54
Minimum pressure	1012.3 hPa on 10 at 16:55
Maximum windspeed	6.4 mph on 10 at 10:26
Maximum gust speed	17.3 mph from 126 °(SE) on 10 at 12:56
Maximum heat index	8.5°C on 10 at 16:41

24 Hour Graph of this day is not available (20210410.gif)

11 April Average and Extremes
Average temperature	4.0°C
Average humidity	76%
Average dewpoint	-0.3°C
Average barometer	1019.1 hPa
Average windspeed	1.0 mph
Average gustspeed	3.7 mph
Average direction	3° (N)
Rainfall for month	0.3 mm
Rainfall for year	167.6 mm
Maximum rain per minute	0.0 mm on 11 at 23:59
Maximum temperature	10.9°C on 11 at 15:02
Minimum temperature	-0.9°C on 11 at 06:20
Maximum humidity	99% on 11 at 07:19
Minimum humidity	40% on 11 at 14:56
Maximum pressure	1025.7 hPa on 11 at 23:55
Minimum pressure	1014.6 hPa on 11 at 02:28
Maximum windspeed	5.3 mph on 11 at 16:26
Maximum gust speed	19.6 mph from 349 °(NNW) on 11 at 16:27
Maximum heat index	10.9°C on 11 at 14:58

24 Hour Graph of this day is not available (20210411.gif)

12 April Average and Extremes
Average temperature	4.6°C
Average humidity	72%
Average dewpoint	-1.0°C
Average barometer	1028.8 hPa
Average windspeed	0.4 mph
Average gustspeed	1.8 mph
Average direction	327° (NNW)
Rainfall for month	0.3 mm
Rainfall for year	167.6 mm
Maximum rain per minute	0.0 mm on 12 at 23:59
Maximum temperature	12.1°C on 12 at 14:23
Minimum temperature	-0.4°C on 12 at 04:48
Maximum humidity	100% on 12 at 05:44
Minimum humidity	34% on 12 at 16:46
Maximum pressure	1032.7 hPa on 12 at 23:58
Minimum pressure	1025.5 hPa on 12 at 00:11
Maximum windspeed	3.0 mph on 12 at 14:31
Maximum gust speed	11.5 mph from 338 °(NNW) on 12 at 15:04
Maximum heat index	12.1°C on 12 at 14:23

24 Hour Graph of this day is not available (20210412.gif)

13 April Average and Extremes
Average temperature	5.4°C
Average humidity	64%
Average dewpoint	-1.8°C
Average barometer	1033.0 hPa
Average windspeed	0.4 mph
Average gustspeed	1.4 mph
Average direction	335° (NNW)
Rainfall for month	0.3 mm
Rainfall for year	167.6 mm
Maximum rain per minute	0.3 mm on 13 at 20:34
Maximum temperature	13.2°C on 13 at 15:05
Minimum temperature	-2.9°C on 13 at 05:17
Maximum humidity	100% on 13 at 05:28
Minimum humidity	33% on 13 at 17:32
Maximum pressure	1034.1 hPa on 13 at 09:57
Minimum pressure	1031.6 hPa on 13 at 17:11
Maximum windspeed	2.2 mph on 13 at 17:33
Maximum gust speed	11.5 mph from 037 °(NE) on 13 at 12:26
Maximum heat index	13.2°C on 13 at 15:05

24 Hour Graph of this day is not available (20210413.gif)

14 April Average and Extremes
Average temperature	6.4°C
Average humidity	67%
Average dewpoint	0.4°C
Average barometer	1033.5 hPa
Average windspeed	0.4 mph
Average gustspeed	1.7 mph
Average direction	95° (E)
Rainfall for month	0.3 mm
Rainfall for year	167.6 mm
Maximum rain per minute	0.0 mm on 14 at 23:59
Maximum temperature	12.5°C on 14 at 14:04
Minimum temperature	1.3°C on 14 at 01:22
Maximum humidity	87% on 14 at 07:13
Minimum humidity	40% on 14 at 14:02
Maximum pressure	1034.2 hPa on 14 at 23:59
Minimum pressure	1032.8 hPa on 14 at 18:37
Maximum windspeed	2.3 mph on 14 at 14:53
Maximum gust speed	10.4 mph from 103 °(ESE) on 14 at 14:43
Maximum heat index	12.5°C on 14 at 14:00

24 Hour Graph of this day is not available (20210414.gif)

15 April Average and Extremes
Average temperature	5.0°C
Average humidity	83%
Average dewpoint	2.1°C
Average barometer	1033.6 hPa
Average windspeed	0.6 mph
Average gustspeed	2.2 mph
Average direction	63° (ENE)
Rainfall for month	0.5 mm
Rainfall for year	167.8 mm
Maximum rain per minute	0.3 mm on 15 at 14:19
Maximum temperature	11.3°C on 15 at 13:57
Minimum temperature	-1.2°C on 15 at 06:00
Maximum humidity	100% on 15 at 23:59
Minimum humidity	62% on 15 at 14:04
Maximum pressure	1034.8 hPa on 15 at 08:15
Minimum pressure	1032.3 hPa on 15 at 19:10
Maximum windspeed	4.8 mph on 15 at 14:09
Maximum gust speed	16.1 mph from 088 °(E) on 15 at 14:07
Maximum heat index	11.3°C on 15 at 13:52

24 Hour Graph of this day is not available (20210415.gif)

16 April Average and Extremes
Average temperature	5.5°C
Average humidity	74%
Average dewpoint	0.4°C
Average barometer	1031.7 hPa
Average windspeed	0.5 mph
Average gustspeed	1.7 mph
Average direction	77° (ENE)
Rainfall for month	0.5 mm
Rainfall for year	167.8 mm
Maximum rain per minute	0.0 mm on 16 at 23:59
Maximum temperature	13.3°C on 16 at 14:05
Minimum temperature	-1.8°C on 16 at 06:09
Maximum humidity	100% on 16 at 08:26
Minimum humidity	40% on 16 at 16:55
Maximum pressure	1032.9 hPa on 16 at 00:37
Minimum pressure	1030.1 hPa on 16 at 16:32
Maximum windspeed	3.0 mph on 16 at 16:21
Maximum gust speed	11.5 mph from 110 °(ESE) on 16 at 16:11
Maximum heat index	13.3°C on 16 at 14:01

24 Hour Graph of this day is not available (20210416.gif)

17 April Average and Extremes
Average temperature	6.1°C
Average humidity	68%
Average dewpoint	-0.2°C
Average barometer	1029.6 hPa
Average windspeed	0.6 mph
Average gustspeed	1.9 mph
Average direction	92° (E)
Rainfall for month	0.5 mm
Rainfall for year	167.8 mm
Maximum rain per minute	0.0 mm on 17 at 23:59
Maximum temperature	14.1°C on 17 at 14:59
Minimum temperature	-1.6°C on 17 at 06:21
Maximum humidity	100% on 17 at 07:39
Minimum humidity	39% on 17 at 13:53
Maximum pressure	1031.7 hPa on 17 at 00:38
Minimum pressure	1027.3 hPa on 17 at 18:07
Maximum windspeed	3.3 mph on 17 at 16:22
Maximum gust speed	9.2 mph from 131 °(SE) on 17 at 16:14
Maximum heat index	14.1°C on 17 at 14:59

24 Hour Graph of this day is not available (20210417.gif)

18 April Average and Extremes
Average temperature	7.5°C
Average humidity	69%
Average dewpoint	1.0°C
Average barometer	1025.6 hPa
Average windspeed	0.4 mph
Average gustspeed	1.5 mph
Average direction	82° (E)
Rainfall for month	0.5 mm
Rainfall for year	167.8 mm
Maximum rain per minute	0.0 mm on 18 at 23:59
Maximum temperature	15.6°C on 18 at 15:47
Minimum temperature	-0.6°C on 18 at 06:29
Maximum humidity	100% on 18 at 23:59
Minimum humidity	34% on 18 at 16:25
Maximum pressure	1027.9 hPa on 18 at 00:08
Minimum pressure	1023.6 hPa on 18 at 16:56
Maximum windspeed	4.7 mph on 18 at 17:42
Maximum gust speed	11.5 mph from 129 °(SE) on 18 at 17:33
Maximum heat index	15.6°C on 18 at 15:47

24 Hour Graph of this day is not available (20210418.gif)

19 April Average and Extremes
Average temperature	8.5°C
Average humidity	81%
Average dewpoint	4.9°C
Average barometer	1022.2 hPa
Average windspeed	0.3 mph
Average gustspeed	1.2 mph
Average direction	124° (SE)
Rainfall for month	0.5 mm
Rainfall for year	167.8 mm
Maximum rain per minute	0.0 mm on 19 at 23:59
Maximum temperature	17.0°C on 19 at 14:59
Minimum temperature	2.1°C on 19 at 02:28
Maximum humidity	100% on 19 at 23:59
Minimum humidity	50% on 19 at 15:28
Maximum pressure	1024.9 hPa on 19 at 00:06
Minimum pressure	1019.8 hPa on 19 at 19:24
Maximum windspeed	2.3 mph on 19 at 17:41
Maximum gust speed	6.9 mph from 163 °(SSE) on 19 at 18:12
Maximum heat index	17.0°C on 19 at 14:59

24 Hour Graph of this day is not available (20210419.gif)

Average and Extremes for Month of April 2021 up to day 19
Average temperature	6.3°C; diff from climate av: -4.1°C
Average humidity	72%
Average dewpoint	1.0°C
Average barometer	1025.3 hPa
Average windspeed	1.1 mph
Average gustspeed	3.4 mph
Average direction	22° (NNE)
Rainfall for month	0.5 mm
Rainfall for year	167.5 mm
Maximum rain per minute	0.3 mm on 15 at 14:19
Maximum temperature	17.0°C on 19 at 14:59
Minimum temperature	-2.9°C on 13 at 05:17
Maximum humidity	100% on 20 at 00:06
Minimum humidity	26% on 05 at 16:13
Maximum pressure	1034.8 hPa on 15 at 08:15
Minimum pressure	1011.5 hPa on 09 at 15:52
Maximum windspeed	11.7 mph from 351°(N) on 05 at 06:22
Maximum gust speed	31.1 mph from 338°(NNW) on 05 at 05:54
Maximum heat index	17.0°C on 19 at 14:59
Avg daily max temp	12.4°C
Avg daily min temp	1.2°C
Growing degrees days :23.1	GDD

Day, Sunshine Hours, ET, Max Solar, UV
01 04:42hrs	ET :1.2 mm	516.4 W/m²
02 03:18hrs	ET :1.0 mm	636.8 W/m²
03 00:24hrs	ET :0.8 mm	206.2 W/m²
04 07:12hrs	ET :1.8 mm	649.5 W/m²
05 05:00hrs	ET :1.5 mm	551.1 W/m²
06 02:24hrs	ET :1.1 mm	443.5 W/m²
07 01:06hrs	ET :1.0 mm	338.1 W/m²
08 02:30hrs	ET :1.1 mm	419.4 W/m²
09 03:48hrs	ET :1.1 mm	489.3 W/m²
10 00:06hrs	ET :0.6 mm	147.4 W/m²
11 05:24hrs	ET :1.3 mm	596.0 W/m²
12 06:12hrs	ET :1.4 mm	695.0 W/m²
13 06:18hrs	ET :1.2 mm	617.6 W/m²
14 06:30hrs	ET :1.2 mm	695.5 W/m²
15 04:30hrs	ET :1.0 mm	683.4 W/m²
16 10:06hrs	ET :1.7 mm	745.0 W/m²
17 09:48hrs	ET :2.2 mm	751.0 W/m²
18 10:42hrs	ET :2.4 mm	755.0 W/m²
19 08:12hrs	ET :2.2 mm	760.0 W/m²

Daily Rain Totals

00.3 mm on 9

00.3 mm on 15