Annual mean 12°C · wettest around December · prevailing wind SW
Warmest
22.3 °C
Coldest
5.8 °C
Wettest
22%
Windiest
5.7 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 Chalfont Saint Peter over the whole year is 12°C. July is the hottest month, with highs of about 22°C; January is the coldest, with lows of about 4°C. Chalfont Saint Peter has no sharply defined rainy season: the chance of rain on a given day runs from 11% in August, the driest month, to 18% in December, the wettest. Winds in Chalfont Saint Peter are highest in February, averaging 4.5 m/s (16 km/h), and lightest in September, at 3.5 m/s (13 km/h). The prevailing wind is from the SW. The clearest skies in Chalfont Saint Peter come in August, when the sky is typically 53% covered; December is the cloudiest month, at 71%.
Month by month Chalfont Saint Peter 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
7°C
4°C
2°C
15%
66%
4.0 m/s
0
0
15
February
8°C
5°C
3°C
16%
64%
4.5 m/s
0
0
26
March
10°C
5°C
5°C
17%
64%
4.2 m/s
2
0
39
April
13°C
6°C
9°C
11%
54%
3.7 m/s
13
0
63
May
17°C
11°C
13°C
12%
54%
3.6 m/s
40
1
83
June
20°C
14°C
18°C
11%
54%
3.7 m/s
66
11
77
July
22°C
16°C
19°C
12%
56%
3.6 m/s
78
15
71
August
22°C
15°C
19°C
11%
53%
3.6 m/s
78
13
74
September
19°C
13°C
16°C
13%
56%
3.5 m/s
63
6
82
October
15°C
10°C
12°C
17%
61%
3.6 m/s
22
0
82
November
10°C
7°C
6°C
16%
65%
3.6 m/s
1
0
47
December
8°C
6°C
4°C
18%
71%
4.1 m/s
0
0
26
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 Chalfont Saint Peter weather by season
Year round, Chalfont Saint Peter has days of about 7°C at their warmest in January, its coolest month, and 22°C in July, its warmest; the coolest hours of the day run from 4°C to 16°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around December and least likely around August. 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.
Chalfont Saint Peter weather in winterDecember to February
High 8°CLow 5°CRain 17%
Winter in Chalfont Saint Peter has typical daily highs of about 8°C and lows of about 5°C, with a 17% chance of rain on a given day.
Chalfont Saint Peter weather in springMarch to May
High 13°CLow 7°CRain 13%
Spring in Chalfont Saint Peter has typical daily highs of about 13°C and lows of about 7°C, with a 13% chance of rain on a given day.
Chalfont Saint Peter weather in summerJune to August
High 21°CLow 15°CRain 11%
Summer in Chalfont Saint Peter has typical daily highs of about 21°C and lows of about 15°C, with a 11% chance of rain on a given day.
Chalfont Saint Peter weather in autumnSeptember to November
High 15°CLow 10°CRain 15%
Autumn in Chalfont Saint Peter has typical daily highs of about 15°C and lows of about 10°C, with a 15% chance of rain on a given day.
When is the rainy season in Chalfont Saint Peter?
Chalfont Saint Peter has no sharply defined rainy season: the chance of rain on a given day runs from 11% in August, the driest month, to 18% in December, the wettest.
What time of year is Chalfont Saint Peter windiest?
Winds in Chalfont Saint Peter are highest in February, averaging 4.5 m/s (16 km/h), and lightest in September, at 3.5 m/s (13 km/h). The prevailing wind is from the SW.
What is the average temperature in Chalfont Saint Peter year round?
The average temperature in Chalfont Saint Peter over the whole year is 12°C. July is the hottest month, with highs of about 22°C; January is the coldest, with lows of about 4°C.