Annual mean 11°C · wettest around December · prevailing wind SW
Warmest
21.5 °C
Coldest
5.9 °C
Wettest
27%
Windiest
5.8 m/s
Prevailing
SW
4.7 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Thatcham over the whole year is 11°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about 4°C. Thatcham has no sharply defined rainy season: the chance of rain on a given day runs from 14% in July, the driest month, to 24% in December, the wettest. Winds in Thatcham are highest in February, averaging 4.6 m/s (17 km/h), and lightest in September, at 3.4 m/s (12 km/h). The prevailing wind is from the SW. The clearest skies in Thatcham come in April, when the sky is typically 57% covered; December is the cloudiest month, at 71%.
Month by month Thatcham climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
6°C
4°C
2°C
22%
66%
4.0 m/s
0
0
13
February
8°C
4°C
3°C
23%
66%
4.6 m/s
0
0
22
March
10°C
5°C
5°C
21%
65%
4.3 m/s
1
0
34
April
12°C
6°C
8°C
15%
57%
3.7 m/s
11
0
57
May
16°C
10°C
13°C
17%
57%
3.6 m/s
33
0
80
June
19°C
13°C
16°C
15%
58%
3.6 m/s
60
7
79
July
21°C
15°C
19°C
14%
59%
3.5 m/s
75
12
74
August
21°C
14°C
18°C
14%
58%
3.5 m/s
74
11
75
September
18°C
12°C
16°C
17%
60%
3.4 m/s
56
4
82
October
14°C
10°C
11°C
21%
65%
3.7 m/s
16
0
76
November
10°C
6°C
6°C
22%
67%
3.7 m/s
1
0
41
December
8°C
5°C
3°C
24%
71%
4.1 m/s
0
0
23
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Thatcham weather by season
Year round, Thatcham has days of about 6°C at their warmest in January, its coolest month, and 21°C in July, its warmest; the coolest hours of the day run from 4°C to 15°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around December and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Thatcham weather in winterDecember to February
High 7°CLow 4°CRain 23%
Winter in Thatcham has typical daily highs of about 7°C and lows of about 4°C, with a 23% chance of rain on a given day.
Thatcham weather in springMarch to May
High 13°CLow 7°CRain 17%
Spring in Thatcham has typical daily highs of about 13°C and lows of about 7°C, with a 17% chance of rain on a given day.
Thatcham weather in summerJune to August
High 20°CLow 14°CRain 14%
Summer in Thatcham has typical daily highs of about 20°C and lows of about 14°C, with a 14% chance of rain on a given day.
Thatcham weather in autumnSeptember to November
High 14°CLow 9°CRain 20%
Autumn in Thatcham has typical daily highs of about 14°C and lows of about 9°C, with a 20% chance of rain on a given day.
When is the rainy season in Thatcham?
Thatcham has no sharply defined rainy season: the chance of rain on a given day runs from 14% in July, the driest month, to 24% in December, the wettest.
What time of year is Thatcham windiest?
Winds in Thatcham are highest in February, averaging 4.6 m/s (17 km/h), and lightest in September, at 3.4 m/s (12 km/h). The prevailing wind is from the SW.
What is the average temperature in Thatcham year round?
The average temperature in Thatcham over the whole year is 11°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about 4°C.