Anomaly

Date

Temperatures

(ยบ C)

Mean annual

10.6

+0.1

Warmest day

30.3

18/7

Coldest day

0.0

13/2

Average maximum

14.3

+0.1

Warmest night

18.1

19/7

Coldest night

-5.8

11/2

Average minimum

6.9

+0.2

Lowest Grass Minimum

-7.9

7/1

Annual Rainfall

(mm)

Total

772.8

109%

Rain days > 0.2mm

184

Wettest day

29.2

4/10

Wet days>1.0mm

120

Very wet days > 5.0mm

56

Longest dry spell

15 days

Annual Sunshine

(hr)

12th to 26th April 1st to 15th June

Total

1451.7

93%

Sunniest day

14.5

8/6

Days without sunshine

43

Longest period without sun

10 days

Days with:

16th to 25th Dec

Air frosts

45

Snowfall

23

Ground frosts

91

Snow lying

8

Fog

11

Gales

0

Thunder

11

Hail

14

Average relative humidity at 0900hr

83%

Highest sea level pressure

1042mb

17/12

Average sea level pressure @ 0900hr GMT

1016.1mb

+1.5mb

Lowest sea level pressure

980 mb

7/12 8/12

Average annual wind speed (mph)

6.2

-0.8mph

Maximum Wind Gust (mph)

44

8/12

Brief comments on the statistics for 2021

It has been the coolest year since 2016 (10.5C), but still the 8th year in a row warmer than average.

Only six years have been cooler than 2021 since the Millennium (2008 2009 2010 2012 2013 2016).

Even so, only 16 years have been warmer than 2021 since 1892.

Only five years have been wetter than 2021 since the Millennium (2007 2008 2012 2014 2019)

Only two years have recorded less sunshine than 2021 since the Millennium ( 2012 2017)

Every month of 2021 has recorded wind speeds below average, with 2021 the calmest year since before 1986