Halesowen Weather

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Halesowen 65 year, 10 year and 30 year Overview

Basic statistics for temperature and rainfall...

December 2020

Mild mid-month but very cold finish with frosts and snow.
A very wet month, with a few brighter days amongst the dull ones...

Annual Summary for 2020

A mild year overall, the 4^th mildest on record .
Rainfall was the 16^th highest here in 65 years...

Scroll down for more details...

click here for for details of every month in 2020

	Halesowen, West Midlands lies 13km to the west of Birmingham in central England. Find out about the weather here for the last 65 years
2021 Weather 2020 Weather 2019 Weather 2018 Weather Other Recent Years		Long term records 65 years monthly stats Details 1956 to present Extremes Central England Records Articles from 1947, 1979-2003 30 year stats 1991-2020
	Calculation Tools to work out things like dew point and wind chill, and lists of sunrise and sunset times. Try my links to some other useful weather websites. Requests for Information

Halesowen 65 year, 10 year and 30 year

Mean Min, Max and Mean Temperatures
and Mean Total Rainfall

	*Temperature C*			*Rainfall mm*
	*MMin*	*MMax*	*Mean*
65 year 1956 - 2020	5.8	13.6	9.7	785.8

*10 year*
1956 - 1960	5.3	13.0	9.1	794.6
1961 - 1970	5.1	12.6	8.9	754.1
1971 - 1980	5.5	13.2	9.4	748.4
1981 - 1990	5.5	13.6	9.5	756.2
1991 - 2000	5.9	13.8	9.9	760.1
2001 - 2010	6.5	14.3	10.4	777.2
2011 - 2020	6.7	14.6	10.6	913.6

*30 year*
1971 - 2000	5.6	13.5	9.6	754.9
1981 - 2010	6.0	13.9	9.9	764.5
1991 - 2020	6.4	14.3	10.3	816.9

DECEMBER 2020 Statistically December had the average temperature, but while the first 10 days were cool, then unseasonably mild, the month turned very cold from 23^rd onwards with frosts and snowfall. Airfrosts 7^th –8^th and from 25^th onwards. Rainfall was 78% above average, having 26 raindays (2^nd highest ), 23 wet days (new highest record), 8 very wetdays, with just 5 days without rainfall, so my garden has been saturated and pond overflowing. It was windy on 4, 13–20, 26^th–27^th . Dullest days were 3-4, 6, 13, 23, 28^th Brightest days were 5, 11 – 12, 17, 24 – 25 and 31^st. So overall many wet but milder days especially from 8^th onwards, turning cold with frosts and snow at the end of the month.	TEMPERATURES 6.5 mean max (C) 2.0 mean min (C) 4.3 mean (C) 0.0 diff from av (C) 12.1 high max (C) on 18 0.5 low max (C) on 28 7.7 high min (C) on 19 -3.7 low min (C) on 31
	RAINFALL 128.4 rain total (mm) 178% of av Most rain was 20.3mm on 18^th 26 raindays (days with >=0.2mm) 23 wetdays (days with >=1mm) 8 very wet days (days with >=5mm)
	OTHER Ground frost on 17 days Air frost on 7 days 1 day with fog on 1^st 67% cloud cover percent 95% mean RH Mean pressure 1002.2mb

Halesowen Annual Summary for 2020

A mild year overall, the 4^th mildest on record here in 65 years, beaten only by 2006, 2011 and 2014, having 9 months above average, Jan Apr and May exceptionally so. Only Jul and Oct were below normal, and Dec was normal.

New record HiMax was 35.6C on 31/7/20.

New record HiMean was 26.7C on 12/8/20.

New record 220 raindays, also 7^th highest 152 wetdays, and 57 very wet days.

MONTHLY RAIN AND MEAN TEMPS

month

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

rain mm

56.2

147.8

40.8

41.0

5.8

60.2

56.4

138.0

22.0

110.0

45.8

128.4

rain %

85%

316%

75%

66%

10%

99%

96%

208%

35%

134%

62%

178%

Rain rank

New highest

New lowest

3^rd highest

12^th highest

7^th highest

temp C

5.9

5.9

6.6

11.4

13.7

16.2

16.4

18.1

14.7

9.9

7.9

4.3

30yr avg

4.1

4.2

6.5

8.7

11.9

14.8

16.9

16.5

13.9

10.4

6.8

4.3

anomaly

+1.8

+1.7

+0.1

+2.7

+1.8

+1.4

-0.5

+1.6

+0.8

-1.5

+1.1

0.0

65yr avg

3.8

4.0

6.1

8.5

11.7

14.6

16.5

16.1

13.7

10.4

6.5

4.4

TEMPERATURES

15.0 mean max (C) , +1.1 diff from av (C) 4^th = highest
6.8 mean min (C) , +0.9 diff from av (C) 7^th highest
10.9 mean (C), +1.0 diff from av (C) 4^th = highest

HiMax 35.6C on 31/7/20 New highest
LoMax 0.5C on 28/12/20

HiMin   18.9C on 26/6/20 6^th highest
LoMin   -3.7C on 31/12/20

Highest Mean 26.7C on 12/8/20 New highest
Lowest Mean   –0.9C on 31/12/20

RAINFALL

852.4 rain total (mm), 111 % of av 16^th highest

220    raindays (with 0.2mm or more)   New highest
152    wetdays (with 1mm or more)       7^th highest
57    verywetdays (with 5mm or more) 18^th highest

35.2 most rainfall in a day (mm) on 15/2/20

Rainfall duration 792.5 hours

SNOWFALL

2 days with snow falling, totalling 5.5cm;
Most snowfall in a day 3.5 cm on 28/12/20.
4 days with lying snow

PRESSURE

1014.0 mean pressure (mb) , +0.5 pressure anomaly (mb)
1049.3 max pressure at any time of day, on 20/1/20 New record highest
968.5 min pressure at any time of day, on 28/12/20 10^th lowest

FOG

15 days with fog

FROSTS
25 air frosts, 3^rd fewest, the last was 14/5/20, first 4/11/20,
so 174 days airfrost free

81 ground frosts, last 15/5/20, first 28/9/20,
so 136 days with no air or ground frost.
Frost duration 147.5 hours.

It is noteworthy that all 17 years with fewest airfrosts (less than 64), have occurred since 2000, with 2010 ranking 19^th, 2000 was 24^th and 2001 was 46^th.

THUNDER 6 days with thunder heard, 16/6 17/6 10/6 11/6 12/8 17/8 - 9^th fewest

HAIL 5 days with small hail, 1 day with large hail

HUMIDITY 86.1% at 0900

CLOUD COVER 61.9% at 0900

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Page updated 08/01/2021

65 year 1956 - 2020

RAINFALL

FOG

65 year
1956 - 2020