Halesowen Weather

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DECEMBER 2017

December was a very wet month...
temperature as a whole was “normal” 
but varied considerably ...

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ANNUAL SUMMARY FOR 2017

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Halesowen, West Midlands
   lies 13km to the 
west of Birmingham 
in central England. 

Find out about the weather 
here for the last 62 years


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Annual Summary for 2017

Overall a mild year with 6th highest mean temperature.Mean min temps were +1.0deg, mean temps +0.8deg and mean max temps +0.6deg above normal. 
There were just 33 airfrosts (7
th fewest) and 87 ground frosts recorded.
Rainfall was 105% of normal, with 202 raindays, 147 wetdays and 62 verywetdays
(9th highest, about 10% above normal).

April 20mm and October 34mm were especially dry months , while wettest months were September with 100mm and December with 124mm. Wettest day was 28.2mm on 26/12/17.Snow fell on 7 days, the majority 31.4cm falling between 8th and 11th Dec (most in one day was 12cm on 10th Dec).

TEMPERATURE
14.5 mean max (C) , +0.6 diff from av (C) 11
th highest
6.9 mean min (C) , +1.0 diff from av (C) 5
th highest
10.7 mean (C), +0.8 diff from av (C) 6
th highest

HiMax 33.8C on 19/6/17 8th Highest
LoMax -0.3C on 26/1/17
HiMin 16.8C on 20/6/17
LoMin -7.0C on 12/12/17
Highest Mean 25.0C on 19/6/2017
Lowest Mean –1.8C on 12/12/2017

RAINFALL
806.4 rain total (mm), 105 % of av
202 raindays (with 0.2mm or more) 9
th highest (average is 180)
147 wetdays (with 1mm or more) 8
th highest (average is 133)
62 verywetdays (with 5mm or more) 9
th highest
28.2 most rainfall in a day (mm) on 26/12/2017

The distribution of rainfall has been uneven:
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
78.4 58.5 74.4  20.3  61.2 45.9 73.9 75.4 100.4 34.4 59.5 123.8

SNOWFALL
7 days with snow falling, 1 in Jan, 1 in Feb, 5 in Dec. 9 days with 50% snow cover
Snow totalled 32.9cm, and most snow falling in a day was 12 cm on 10/12/2017.

PRESSURE
1015.8 mean pressure (mb) , +0.3 pressure anomaly (mb)
1038.5 max pressure at any time of day, on 18/1/2017
  976.1 min pressure at any time of day, on 10/12/2017

FROSTS The last frost was 27/4/17,the first 30/10/17,186 days were frost free
There were 33 air frosts (the 7
th fewest in 63 years)
There were 87 ground frosts flagged (91 days had min temp below 3C
and 84 days had min temp below 2.456C)

THUNDER   4 days with thunder heard, 28/3 5/8 18/8 16/9
HUMIDITY    88.6% at 0900
CLOUD COVER  62.4% at 0900

 


DECEMBER 2017

 

December was a very wet month, ranking 7th in 63 years here, with 44mm rain falling 25th-26th,  31mm between 7th and 10th  (most of this falling as snow), and 16mm rain falling on 13th-14th.

Snowfall from 8th to 11th accumulated to a depth of 25cm, while a 1cm fall on 27th soon melted. Most fresh snow fell during 10th (12cm) and 11th (11cm).

Although the mean temperature for the month as a whole was statistically “normal” for December, it varied considerably during the month, being mild 2nd-7th, cold 8th – 16th , mild again 17th -  25th, cold 26th – 29th, finishing the month mild once more. Ground frosts occurred 8th –20th and 26th –30th, air frosts 9th – 13th , 16th – 17th, and 28th – 29th.
It was windiest 6th – 8th, and 25th – 31st.

The sunniest day was 11th, dullest 2nd, 5th, 6th, 10th and 17th, and 9 other days had a reasonable amount of sunshine during the day.

 

TEMPERATURES

6.7 mean max (C) 
 1.9 mean min (C) 
 4.3 mean (C)   0.0 diff from av (C)

11.7 high max (C) on 20
 -0.1 low max (C) on  10 
  8.7 high min (C) on  21
 -7.0 low min (C) on   12

RAINFALL

123.8 rain total (mm)  171 % of av 
(7th wettest December in 62 years)

Most rain was 28.2mm on 26th 
23 raindays (days with >=0.2mm)
(8th highest number of raindays)

16 wetdays (days with >=1mm)
  8 very wet days (days with >=5mm)

OTHER

Ground frost on 20 days
Air frost on 10 days
3 days with fog 3rd, 22nd, 23rd 
71% cloud cover percent
93% mean RH  

 

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Page updated   02/01/2018