Chelmsford Weather from CM2Weather

Forecast: Mostly cloudy and cooler. Precipitation possible within 12 hours, possibly heavy at times. Windy. Last Updated 05:50 on 22 July 2017

Top 10 Records

This page shows some of the Top 10 highs and lows recorded by this weather station. General records began on 28th December 2011, Some of the UV and Solar records need to be tidied up.
New records (within the last 31 days, current month, or current year) are highlighted in blue text. The data is updated just after midnight each day.

Temperature Records (°C)
Min Temp
-9.92012-02-10
-8.52012-02-11
-7.02013-01-17
-6.42012-12-12
-6.02013-01-25
-5.52013-01-16
-5.22012-02-07
-4.92012-02-03
-4.72013-01-22
-4.72015-01-20
Min Avg Temp
-3.92012-02-10
-3.42013-01-17
-3.32012-02-11
-3.02016-01-22
-3.02016-01-23
-3.02016-01-24
-3.02016-01-25
-3.02016-01-26
-2.82016-01-21
-2.72012-12-12
Lowest Max Temp
-3.02016-01-22
-3.02016-01-23
-3.02016-01-24
-3.02016-01-25
-3.02016-01-26
-1.62016-01-21
-0.42013-01-18
0.32013-01-16
0.42012-12-11
0.42013-01-19
Smallest Daily Temp Range
0.02015-09-08
0.02015-09-09
0.02015-09-10
0.02015-10-08
0.02015-10-09
0.02015-10-31
0.02015-11-20
0.02016-01-14
0.02016-01-15
0.02016-01-16
Max Heating Deg Days
22.22012-02-10
21.72013-01-17
21.62012-02-11
21.12016-01-21
21.02012-12-12
20.92013-01-16
20.02013-01-25
19.82012-12-11
19.82013-01-18
19.72012-02-02
Max Temp
37.72015-07-01
36.22016-08-24
35.22013-07-17
35.22017-06-17
34.82012-08-18
34.72012-08-19
34.72015-06-30
34.62012-07-24
33.82012-07-25
33.62013-08-01
Max Avg Temp
26.72015-07-01
26.12013-08-01
25.82016-08-24
25.62012-08-18
25.12017-06-18
24.72017-06-19
24.62016-07-20
24.52013-07-17
24.32016-08-25
24.32017-06-17
Highest Min Temp
19.62016-07-20
19.22016-09-06
18.22013-07-23
18.22015-08-21
17.92016-08-25
17.82012-08-18
17.82016-09-14
17.82017-06-18
17.72014-07-19
17.72016-08-26
Greatest Daily Temp Range
22.32015-06-04
21.62015-06-30
21.42016-05-04
21.32012-07-24
21.22016-05-08
20.92012-03-28
20.62013-05-03
20.52013-05-16
20.52016-05-05
20.32012-07-25
Max Cooling Deg Days
8.52015-07-01
8.12013-08-01
7.32012-08-18
6.62013-07-17
6.32013-07-22
6.32015-06-30
6.02012-07-24
6.02015-07-04
5.92012-08-19
5.82012-07-25
Derived Temperature Records (°C)
Min Apparent Temp
-13.12012-02-10
-11.82012-02-11
-10.02013-01-17
-9.92013-03-11
-9.52012-02-07
-9.52013-03-12
-9.22012-12-12
-8.92013-01-16
-8.92013-01-25
-7.92012-12-06
Max Apparent Temp
38.92015-07-01
38.82016-08-24
38.12017-06-17
37.52012-08-19
37.02017-06-18
36.52016-08-25
36.22012-07-25
36.22012-08-18
36.02012-07-24
35.72016-07-19
Min Dew Point
-11.42012-02-02
-11.42012-02-10
-11.02013-03-12
-10.62012-02-07
-10.32012-02-11
-9.72012-02-01
-9.02013-01-17
-9.02013-02-22
-9.02013-04-02
-8.62012-02-19
Max Dew Point
23.02013-07-23
23.02015-07-04
22.02012-08-19
22.02014-07-13
22.02014-07-18
22.02014-07-25
22.02014-08-06
22.02015-06-05
22.02015-07-15
22.02017-06-18
Min Wind Chill
-17.82013-11-30
-11.72012-02-11
-11.12013-03-11
-10.62012-02-07
-10.62013-03-12
-9.92012-02-10
-9.42013-01-18
-8.92013-01-17
-8.92013-01-25
-8.32012-02-01
Air Frost Records
Earliest Frost Day
28 Oct2012/13
19 Nov2013/14
21 Nov2015/16
28 Nov2016/17
06 Dec2014/15
13 Jan2011/12
  
  
  
  
Latest Frost Day
28 Apr2012/13
15 Apr2011/12
01 Apr2015/16
25 Mar2014/15
24 Mar2013/14
27 Jan2016/17
  
  
  
  
Most Frost Days
682012/13
342014/15
302015/16
272011/12
222016/17
92013/14
  
  
  
  
Consecutive Frost Days
162012-02-12
132013-01-22
122013-04-03
82015-01-23
82016-01-27
72017-01-23
62015-02-04
62016-02-20
52012-01-17
52013-03-14
Frost Season Length (days)
1832012/13
1332015/16
1262013/14
1102014/15
942011/12
612016/17
  
  
  
  
Humidity Records (RH%)
Min Humidity
02012-01-21
02012-03-17
192015-06-30
192016-05-08
202016-05-05
212015-07-10
212016-05-04
222013-07-15
232012-03-28
232013-05-02
Greatest Daily Humidity Range
100.02012-03-17
83.02012-01-21
69.02012-06-20
69.02017-03-25
67.02012-09-09
67.02013-07-09
67.02014-07-18
67.02015-04-20
66.02013-04-20
66.02015-07-03
Smallest Daily Humidity Range
0.02012-10-22
0.02012-10-23
0.02012-11-24
0.02012-12-20
0.02012-12-22
0.02013-01-06
0.02013-01-10
0.02013-02-11
0.02013-03-08
0.02013-12-11
  
Wind Records (mph)
Max Avg Wind Spd
242015-05-06
222013-10-28
212014-12-18
202013-12-24
202015-01-12
192014-02-15
192013-12-23
182014-02-14
172014-12-22
172013-05-09
Max Wind Gust Spd
372017-02-23
362014-02-12
342014-02-14
332013-12-23
332013-12-24
332016-11-22
332014-02-15
322013-10-28
322013-12-21
322016-08-20
Lowest Max Wind Gust
02013-09-25
02015-08-22
02015-08-25
02015-08-26
02015-08-31
02015-09-01
02015-09-02
02015-09-03
02015-09-04
02015-09-05
Max Daily Wind Run (miles)
575.62016-06-14
263.82014-02-15
247.02014-12-22
244.42013-03-11
235.42016-05-31
229.62017-02-23
229.42014-02-08
225.52013-12-21
225.52013-12-23
224.62012-06-08
Min Daily Wind Run (miles)
0.02012-03-06
0.02013-09-25
0.02015-08-22
0.02015-08-25
0.02015-08-26
0.02015-08-31
0.02015-09-01
0.02015-09-02
0.02015-09-03
0.02015-09-04
Pressure Records (hPa)
Min Pressure
971.12016-11-20
974.02012-11-01
974.02012-12-14
977.02013-10-28
977.02015-01-30
978.02012-10-31
978.02013-12-24
978.02014-02-08
978.02015-01-29
979.02012-04-18
Max Pressure
1045.22016-12-27
1044.82016-12-28
1044.02012-02-07
1043.02014-12-30
1042.02014-12-29
1042.02015-02-17
1042.02015-02-18
1041.02012-02-08
1041.02013-11-25
1041.02013-11-26
Smallest Daily Press Change
0.02015-09-08
0.02015-09-09
0.02015-09-10
0.02015-10-08
0.02015-10-09
0.02015-10-31
0.02015-11-20
0.02016-01-14
0.02016-01-15
0.02016-01-16
Greatest Daily Press Change
34.02014-12-26
32.02012-05-12
32.02013-12-23
31.02012-11-25
30.02012-05-18
28.02012-01-05
27.02012-04-04
26.02014-01-26
25.02012-01-03
25.02012-01-04
 
Rain Records (mm)
Max Rain Rate (mm/h)
999.92017-04-27
999.92017-06-02
205.82016-10-13
202.22016-06-23
193.82014-07-18
193.82014-07-25
165.92013-12-05
165.92013-12-06
165.92013-12-07
165.92013-12-08
Max Rain in 1hr
524.22016-09-28
149.42016-05-30
64.42016-06-15
64.42016-06-16
43.22014-09-19
36.82016-04-25
28.02017-01-22
25.42016-04-01
24.42014-07-18
20.82016-06-23
Max Daily rain
65.52014-09-19
48.22016-06-23
36.82016-04-25
35.12013-08-24
33.22016-09-16
32.52012-07-20
32.22017-05-17
31.52014-07-18
29.52012-04-28
29.02016-11-20
Driest Months
3.3Dec 2013
7.2Aug 2016
7.2Dec 2016
7.8Apr 2017
8.3Dec 2011
9.3Jun 2015
9.6Oct 2016
10.3Jun 2014
10.4Jul 2016
11.6Feb 2012
Wettest Months
131.5Apr 2012
124.3Jul 2014
119.2Aug 2014
116.1Jul 2012
99.6Aug 2013
95.7Dec 2012
94.9Jun 2012
93.1Oct 2013
88.7Oct 2014
87.2Nov 2014
Wettest Years
7882012
7722014
5772013
5112015
4222016
2742017
82011
  
  
  
Consecutive Dry Days (end date)
252016-03-31
212014-01-05
212015-04-24
212016-04-24
212017-04-13
192013-03-06
172014-06-24
172017-06-26
162014-03-19
162014-09-18
Consecutive Wet Days (end date)
112014-02-01
102013-11-12
92017-02-04
82012-04-30
82012-12-29
82014-05-28
82017-01-04
72013-02-01
72015-12-16
72016-07-01
Most Dry Days in a Month
28Dec 2013
26Sep 2014
26Mar 2016
26May 2016
26Aug 2016
25Mar 2012
25Apr 2014
25Jun 2014
24Feb 2012
24May 2013
Most Rain Days in a Month
21Jan 2017
20Apr 2012
18Dec 2015
17Dec 2012
17Feb 2014
17Nov 2014
16Jun 2012
16Jul 2012
16Oct 2013
16Oct 2014
Solar Records (since 21 April 2013)
Max UV Index
14.02015-06-08
14.02015-06-17
14.02015-07-10
13.02015-05-20
13.02015-06-03
13.02015-06-06
13.02015-06-07
13.02015-06-21
13.02015-06-22
13.02015-06-27
Max Sunshine hours
13.82017-05-26
13.82017-06-19
13.72017-05-25
13.42017-06-14
13.02016-08-12
12.72017-06-15
12.42017-04-06
12.32017-05-10
12.12017-07-17
11.92017-06-21
Max Solar Radiation Wm⁻²
13042016-07-02
12812016-06-26
12742016-06-16
12412016-06-25
12342016-07-13
12322016-06-15
12292016-07-14
12252016-06-24
12232016-07-08
12152016-07-31
Lowest Max Solar Radiation Wm⁻²
322016-12-10
462016-05-30
562017-02-10
602016-12-16
632016-12-15
632017-01-15
652017-02-09
672016-11-12
692017-01-12
692017-01-25
Max Evapotranspiration (mm)
349.02016-09-28
31.62016-06-15
28.62016-05-30
7.82017-01-22
5.32017-06-19
5.22016-08-12
5.12017-06-14
5.12017-06-15
5.02017-05-26
5.02017-06-10

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