Chelmsford Weather Station

Daily / Monthly Weather History From This Station

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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 January 2021

1 January Average and Extremes
Average temperature	2.0°C
Average humidity	100%
Average dewpoint	2.0°C
Average barometer	1011.5 hPa
Average windspeed	0.4 mph
Average gustspeed	2.3 mph
Average direction	298° (WNW)
Rainfall for month	0.3 mm
Rainfall for year	0.3 mm
Maximum rain per minute	0.3 mm on 01 at 18:18
Maximum temperature	3.9°C on 01 at 19:55
Minimum temperature	-0.3°C on 01 at 08:05
Maximum humidity	100% on 01 at 00:00
Minimum humidity	100% on 01 at 00:00
Maximum pressure	1014.5 hPa on 01 at 23:53
Minimum pressure	1008.9 hPa on 01 at 00:01
Maximum windspeed	1.6 mph on 01 at 18:45
Maximum gust speed	11.5 mph from 289 °(WNW) on 01 at 18:35
Maximum heat index	3.9°C on 01 at 19:55

24 Hour Graph of this day is not available (20210101.gif)

2 January Average and Extremes
Average temperature	2.5°C
Average humidity	99%
Average dewpoint	2.3°C
Average barometer	1016.0 hPa
Average windspeed	0.6 mph
Average gustspeed	2.7 mph
Average direction	315° (NW)
Rainfall for month	0.3 mm
Rainfall for year	0.3 mm
Maximum rain per minute	0.0 mm on 02 at 23:59
Maximum temperature	4.5°C on 02 at 14:41
Minimum temperature	-0.3°C on 02 at 20:37
Maximum humidity	100% on 02 at 23:59
Minimum humidity	89% on 02 at 14:45
Maximum pressure	1017.2 hPa on 02 at 22:14
Minimum pressure	1014.4 hPa on 02 at 00:19
Maximum windspeed	2.8 mph on 02 at 10:14
Maximum gust speed	11.5 mph from 351 °(N) on 02 at 09:15
Maximum heat index	4.5°C on 02 at 14:41

24 Hour Graph of this day is not available (20210102.gif)

3 January Average and Extremes
Average temperature	2.9°C
Average humidity	100%
Average dewpoint	2.9°C
Average barometer	1018.2 hPa
Average windspeed	0.4 mph
Average gustspeed	2.1 mph
Average direction	1° (N)
Rainfall for month	2.5 mm
Rainfall for year	2.5 mm
Maximum rain per minute	0.3 mm on 03 at 23:36
Maximum temperature	5.6°C on 03 at 12:38
Minimum temperature	0.6°C on 03 at 00:09
Maximum humidity	100% on 03 at 23:59
Minimum humidity	96% on 03 at 13:08
Maximum pressure	1020.7 hPa on 03 at 23:05
Minimum pressure	1016.5 hPa on 03 at 05:54
Maximum windspeed	2.4 mph on 03 at 15:31
Maximum gust speed	10.4 mph from 046 °(NE) on 03 at 20:22
Maximum heat index	5.6°C on 03 at 12:38

24 Hour Graph of this day is not available (20210103.gif)

4 January Average and Extremes
Average temperature	3.4°C
Average humidity	100%
Average dewpoint	3.4°C
Average barometer	1020.1 hPa
Average windspeed	2.7 mph
Average gustspeed	6.7 mph
Average direction	31° (NNE)
Rainfall for month	4.1 mm
Rainfall for year	4.1 mm
Maximum rain per minute	0.3 mm on 04 at 16:30
Maximum temperature	4.6°C on 04 at 12:18
Minimum temperature	2.2°C on 04 at 23:11
Maximum humidity	100% on 04 at 23:59
Minimum humidity	99% on 04 at 22:14
Maximum pressure	1021.0 hPa on 04 at 21:29
Minimum pressure	1019.1 hPa on 04 at 06:24
Maximum windspeed	6.2 mph on 04 at 14:53
Maximum gust speed	18.4 mph from 054 °(NE) on 04 at 15:06
Maximum heat index	4.6°C on 04 at 12:18

24 Hour Graph of this day is not available (20210104.gif)

5 January Average and Extremes
Average temperature	3.0°C
Average humidity	100%
Average dewpoint	3.0°C
Average barometer	1020.4 hPa
Average windspeed	2.4 mph
Average gustspeed	6.2 mph
Average direction	16° (NNE)
Rainfall for month	6.3 mm
Rainfall for year	6.3 mm
Maximum rain per minute	0.3 mm on 05 at 21:51
Maximum temperature	3.9°C on 05 at 14:08
Minimum temperature	1.8°C on 05 at 05:03
Maximum humidity	100% on 05 at 23:59
Minimum humidity	100% on 05 at 23:59
Maximum pressure	1021.1 hPa on 05 at 10:25
Minimum pressure	1019.8 hPa on 05 at 13:42
Maximum windspeed	4.6 mph on 05 at 16:18
Maximum gust speed	17.3 mph from 037 °(NE) on 05 at 15:22
Maximum heat index	3.9°C on 05 at 14:08

24 Hour Graph of this day is not available (20210105.gif)

6 January Average and Extremes
Average temperature	3.2°C
Average humidity	98%
Average dewpoint	2.9°C
Average barometer	1019.8 hPa
Average windspeed	0.8 mph
Average gustspeed	3.2 mph
Average direction	2° (N)
Rainfall for month	6.6 mm
Rainfall for year	6.6 mm
Maximum rain per minute	0.3 mm on 06 at 00:22
Maximum temperature	5.7°C on 06 at 14:04
Minimum temperature	0.8°C on 06 at 20:02
Maximum humidity	100% on 06 at 23:59
Minimum humidity	84% on 06 at 14:13
Maximum pressure	1021.0 hPa on 06 at 10:39
Minimum pressure	1019.0 hPa on 06 at 05:09
Maximum windspeed	2.8 mph on 06 at 02:07
Maximum gust speed	13.8 mph from 023 °(NNE) on 06 at 01:25
Maximum heat index	5.7°C on 06 at 14:04

24 Hour Graph of this day is not available (20210106.gif)

7 January Average and Extremes
Average temperature	0.8°C
Average humidity	99%
Average dewpoint	0.6°C
Average barometer	1018.2 hPa
Average windspeed	0.8 mph
Average gustspeed	3.1 mph
Average direction	298° (WNW)
Rainfall for month	6.9 mm
Rainfall for year	6.9 mm
Maximum rain per minute	0.3 mm on 07 at 11:00
Maximum temperature	3.4°C on 07 at 14:31
Minimum temperature	-1.2°C on 07 at 19:25
Maximum humidity	100% on 07 at 23:59
Minimum humidity	86% on 07 at 15:09
Maximum pressure	1019.4 hPa on 07 at 02:27
Minimum pressure	1017.1 hPa on 07 at 23:59
Maximum windspeed	4.0 mph on 07 at 19:36
Maximum gust speed	11.5 mph from 288 °(WNW) on 07 at 19:30
Maximum heat index	3.4°C on 07 at 14:31

24 Hour Graph of this day is not available (20210107.gif)

8 January Average and Extremes
Average temperature	-0.3°C
Average humidity	100%
Average dewpoint	-0.3°C
Average barometer	1019.5 hPa
Average windspeed	0.1 mph
Average gustspeed	0.6 mph
Average direction	282° (WNW)
Rainfall for month	6.9 mm
Rainfall for year	6.9 mm
Maximum rain per minute	0.0 mm on 08 at 23:59
Maximum temperature	0.8°C on 08 at 11:51
Minimum temperature	-2.8°C on 08 at 03:42
Maximum humidity	100% on 08 at 23:59
Minimum humidity	100% on 08 at 23:59
Maximum pressure	1024.0 hPa on 08 at 23:59
Minimum pressure	1016.6 hPa on 08 at 01:17
Maximum windspeed	1.4 mph on 07 at 00:16
Maximum gust speed	6.9 mph from 286 °(WNW) on 08 at 17:25
Maximum heat index	0.8°C on 08 at 11:51

24 Hour Graph of this day is not available (20210108.gif)

9 January Average and Extremes
Average temperature	-0.4°C
Average humidity	100%
Average dewpoint	-0.4°C
Average barometer	1027.0 hPa
Average windspeed	0.0 mph
Average gustspeed	0.5 mph
Average direction	282° (WNW)
Rainfall for month	6.9 mm
Rainfall for year	6.9 mm
Maximum rain per minute	0.0 mm on 09 at 23:59
Maximum temperature	3.6°C on 09 at 13:34
Minimum temperature	-2.7°C on 09 at 21:16
Maximum humidity	100% on 09 at 23:59
Minimum humidity	95% on 09 at 13:33
Maximum pressure	1028.7 hPa on 09 at 20:39
Minimum pressure	1023.7 hPa on 09 at 00:12
Maximum windspeed	0.5 mph on 09 at 22:08
Maximum gust speed	4.6 mph from 282 °(WNW) on 09 at 22:00
Maximum heat index	3.6°C on 09 at 13:34

24 Hour Graph of this day is not available (20210109.gif)

10 January Average and Extremes
Average temperature	0.7°C
Average humidity	100%
Average dewpoint	0.7°C
Average barometer	1026.2 hPa
Average windspeed	0.3 mph
Average gustspeed	2.0 mph
Average direction	287° (WNW)
Rainfall for month	6.9 mm
Rainfall for year	6.9 mm
Maximum rain per minute	0.0 mm on 10 at 23:59
Maximum temperature	3.4°C on 10 at 22:42
Minimum temperature	-2.5°C on 10 at 00:09
Maximum humidity	100% on 10 at 23:59
Minimum humidity	100% on 10 at 23:59
Maximum pressure	1028.3 hPa on 10 at 00:44
Minimum pressure	1023.0 hPa on 10 at 23:52
Maximum windspeed	1.6 mph on 09 at 00:58
Maximum gust speed	8.1 mph from 282 °(WNW) on 10 at 08:01
Maximum heat index	3.4°C on 10 at 22:42

24 Hour Graph of this day is not available (20210110.gif)

11 January Average and Extremes
Average temperature	6.2°C
Average humidity	97%
Average dewpoint	5.7°C
Average barometer	1017.2 hPa
Average windspeed	2.1 mph
Average gustspeed	6.2 mph
Average direction	262° (W)
Rainfall for month	8.1 mm
Rainfall for year	8.1 mm
Maximum rain per minute	0.3 mm on 11 at 23:39
Maximum temperature	8.5°C on 11 at 14:39
Minimum temperature	2.9°C on 11 at 04:02
Maximum humidity	100% on 11 at 23:59
Minimum humidity	86% on 11 at 15:08
Maximum pressure	1023.1 hPa on 11 at 00:16
Minimum pressure	1010.5 hPa on 11 at 23:57
Maximum windspeed	5.5 mph on 11 at 23:57
Maximum gust speed	20.7 mph from 267 °(W) on 11 at 20:57
Maximum heat index	8.5°C on 11 at 14:39

24 Hour Graph of this day is not available (20210111.gif)

12 January Average and Extremes
Average temperature	5.1°C
Average humidity	100%
Average dewpoint	5.1°C
Average barometer	1014.2 hPa
Average windspeed	1.2 mph
Average gustspeed	3.8 mph
Average direction	273° (W)
Rainfall for month	12.4 mm
Rainfall for year	12.4 mm
Maximum rain per minute	0.3 mm on 12 at 05:57
Maximum temperature	8.8°C on 12 at 05:41
Minimum temperature	0.2°C on 12 at 23:39
Maximum humidity	100% on 12 at 23:59
Minimum humidity	96% on 12 at 14:32
Maximum pressure	1021.4 hPa on 12 at 23:59
Minimum pressure	1007.7 hPa on 12 at 04:36
Maximum windspeed	6.2 mph on 11 at 00:25
Maximum gust speed	19.6 mph from 242 °(WSW) on 12 at 02:15
Maximum heat index	8.8°C on 12 at 05:41

24 Hour Graph of this day is not available (20210112.gif)

13 January Average and Extremes
Average temperature	3.2°C
Average humidity	100%
Average dewpoint	3.2°C
Average barometer	1018.9 hPa
Average windspeed	0.0 mph
Average gustspeed	0.4 mph
Average direction	319° (NW)
Rainfall for month	21.1 mm
Rainfall for year	21.1 mm
Maximum rain per minute	0.3 mm on 13 at 17:35
Maximum temperature	5.9°C on 13 at 15:24
Minimum temperature	-0.1°C on 13 at 01:40
Maximum humidity	100% on 13 at 23:59
Minimum humidity	100% on 13 at 23:59
Maximum pressure	1021.5 hPa on 13 at 00:06
Minimum pressure	1017.1 hPa on 13 at 14:14
Maximum windspeed	1.6 mph on 13 at 23:58
Maximum gust speed	6.9 mph from 070 °(ENE) on 13 at 23:52
Maximum heat index	5.9°C on 13 at 15:24

24 Hour Graph of this day is not available (20210113.gif)

14 January Average and Extremes
Average temperature	3.1°C
Average humidity	100%
Average dewpoint	3.1°C
Average barometer	1018.2 hPa
Average windspeed	3.0 mph
Average gustspeed	6.5 mph
Average direction	93° (E)
Rainfall for month	47.8 mm
Rainfall for year	47.8 mm
Maximum rain per minute	0.3 mm on 14 at 18:01
Maximum temperature	4.6°C on 14 at 06:21
Minimum temperature	1.4°C on 14 at 23:59
Maximum humidity	100% on 14 at 23:59
Minimum humidity	100% on 14 at 23:59
Maximum pressure	1025.5 hPa on 14 at 23:50
Minimum pressure	1014.4 hPa on 14 at 12:57
Maximum windspeed	9.5 mph on 14 at 14:37
Maximum gust speed	20.7 mph from 086 °(E) on 14 at 09:22
Maximum heat index	4.6°C on 14 at 06:21

24 Hour Graph of this day is not available (20210114.gif)

15 January Average and Extremes
Average temperature	1.9°C
Average humidity	100%
Average dewpoint	1.9°C
Average barometer	1030.5 hPa
Average windspeed	0.1 mph
Average gustspeed	0.7 mph
Average direction	356° (N)
Rainfall for month	47.8 mm
Rainfall for year	47.8 mm
Maximum rain per minute	0.0 mm on 15 at 23:59
Maximum temperature	4.4°C on 15 at 13:38
Minimum temperature	-0.7°C on 15 at 22:49
Maximum humidity	100% on 15 at 23:59
Minimum humidity	99% on 15 at 14:05
Maximum pressure	1032.6 hPa on 15 at 10:39
Minimum pressure	1025.3 hPa on 15 at 00:04
Maximum windspeed	1.3 mph on 14 at 00:52
Maximum gust speed	5.8 mph from 357 °(N) on 15 at 10:03
Maximum heat index	4.4°C on 15 at 13:38

24 Hour Graph of this day is not available (20210115.gif)

16 January Average and Extremes
Average temperature	3.4°C
Average humidity	100%
Average dewpoint	3.4°C
Average barometer	1020.5 hPa
Average windspeed	1.2 mph
Average gustspeed	3.5 mph
Average direction	153° (SSE)
Rainfall for month	56.4 mm
Rainfall for year	56.4 mm
Maximum rain per minute	0.3 mm on 16 at 10:53
Maximum temperature	6.5°C on 16 at 18:39
Minimum temperature	0.0°C on 16 at 00:01
Maximum humidity	100% on 16 at 23:59
Minimum humidity	93% on 16 at 05:24
Maximum pressure	1030.1 hPa on 16 at 00:11
Minimum pressure	1015.5 hPa on 16 at 14:38
Maximum windspeed	5.1 mph on 16 at 06:00
Maximum gust speed	13.8 mph from 356 °(N) on 16 at 06:09
Maximum heat index	6.5°C on 16 at 18:39

24 Hour Graph of this day is not available (20210116.gif)

17 January Average and Extremes
Average temperature	4.9°C
Average humidity	98%
Average dewpoint	4.5°C
Average barometer	1023.2 hPa
Average windspeed	1.6 mph
Average gustspeed	4.3 mph
Average direction	258° (WSW)
Rainfall for month	56.4 mm
Rainfall for year	56.4 mm
Maximum rain per minute	0.0 mm on 17 at 23:59
Maximum temperature	7.2°C on 17 at 13:22
Minimum temperature	2.9°C on 17 at 23:59
Maximum humidity	100% on 17 at 23:59
Minimum humidity	88% on 17 at 14:07
Maximum pressure	1026.8 hPa on 17 at 17:49
Minimum pressure	1018.1 hPa on 17 at 00:10
Maximum windspeed	8.7 mph on 17 at 12:14
Maximum gust speed	18.4 mph from 281 °(W) on 17 at 12:09
Maximum heat index	7.2°C on 17 at 13:22

24 Hour Graph of this day is not available (20210117.gif)

Average and Extremes for Month of January 2021 up to day 17
Average temperature	2.7°C; diff from climate av: -2.3°C
Average humidity	99%
Average dewpoint	2.6°C
Average barometer	1020.0 hPa
Average windspeed	1.1 mph
Average gustspeed	3.2 mph
Average direction	330° (NNW)
Rainfall for month	56.4 mm
Rainfall for year	56.4 mm
Maximum rain per minute	0.3 mm on 14 at 18:01
Maximum temperature	8.8°C on 12 at 05:41
Minimum temperature	-2.8°C on 08 at 03:42
Maximum humidity	100% on 18 at 00:06
Minimum humidity	84% on 06 at 14:13
Maximum pressure	1032.6 hPa on 15 at 10:39
Minimum pressure	1007.7 hPa on 12 at 04:36
Maximum windspeed	9.5 mph from 086°(E) on 14 at 14:37
Maximum gust speed	20.7 mph from 090°(E) on 14 at 09:22
Maximum heat index	8.8°C on 12 at 05:41
Avg daily max temp	5.0°C
Avg daily min temp	0.1°C
Growing degrees days :0.0	GDD

Day, Sunshine Hours, ET, Max Solar, UV
01 00:00hrs	ET :0.1 mm	10.7 W/m²
02 00:00hrs	ET :0.1 mm	46.8 W/m²
03 00:24hrs	ET :0.1 mm	94.4 W/m²
04 00:00hrs	ET :0.1 mm	3.2 W/m²
05 00:00hrs	ET :0.0 mm	6.1 W/m²
06 00:42hrs	ET :0.1 mm	65.0 W/m²
07 00:12hrs	ET :0.1 mm	81.3 W/m²
08 00:00hrs	ET :0.0 mm	15.5 W/m²
09 04:48hrs	ET :0.1 mm	155.7 W/m²
10 00:00hrs	ET :0.1 mm	22.8 W/m²
11 00:06hrs	ET :0.4 mm	75.2 W/m²
12 00:00hrs	ET :0.1 mm	39.7 W/m²
13 00:00hrs	ET :0.0 mm	13.8 W/m²
14 00:00hrs	ET :0.0 mm	0.0 W/m²
15 00:00hrs	ET :0.1 mm	32.1 W/m²
16 00:00hrs	ET :0.1 mm	25.6 W/m²
17 00:00hrs	ET :0.2 mm	62.9 W/m²

Daily Rain Totals

00.3 mm on 1

02.3 mm on 3

01.5 mm on 4

02.3 mm on 5

00.3 mm on 6

00.3 mm on 7

01.3 mm on 11

04.3 mm on 12

08.6 mm on 13

26.7 mm on 14

08.6 mm on 16