Annual mean 15°C · wettest around February · prevailing wind W
Warmest
30.7 °C
Coldest
6.8 °C
Wettest
41%
Windiest
4.4 m/s
Prevailing
W
3.3 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Chester over the whole year is 15°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 1°C. Chester has no sharply defined rainy season: the chance of rain on a given day runs from 32% in November, the driest month, to 37% in February, the wettest. Winds in Chester are highest in April, averaging 2.9 m/s (10 km/h), and lightest in August, at 1.7 m/s (6 km/h). The prevailing wind is from the W. The clearest skies in Chester come in November, when the sky is typically 33% covered; May is the cloudiest month, at 48%.
Month by month Chester 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
1°C
2°C
36%
42%
2.5 m/s
6
0
26
February
10°C
3°C
6°C
37%
44%
2.5 m/s
15
0
40
March
14°C
5°C
9°C
34%
40%
2.8 m/s
26
1
56
April
19°C
10°C
16°C
35%
40%
2.9 m/s
51
13
65
May
23°C
15°C
22°C
36%
48%
2.3 m/s
61
34
48
June
28°C
20°C
28°C
35%
39%
2.1 m/s
40
58
15
July
30°C
22°C
33°C
36%
36%
1.9 m/s
10
48
2
August
29°C
21°C
31°C
34%
39%
1.7 m/s
22
55
6
September
26°C
18°C
27°C
35%
44%
2.0 m/s
51
49
26
October
21°C
12°C
19°C
33%
39%
1.9 m/s
66
19
65
November
14°C
5°C
11°C
32%
33%
2.0 m/s
26
3
61
December
9°C
2°C
5°C
34%
40%
2.1 m/s
9
0
39
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 Chester weather by season
Year round, Chester has days of about 7°C at their warmest in January, its coolest month, and 30°C in July, its warmest; the coolest hours of the day run from 1°C to 22°C through the year, and the average temperature over the year is 15°C around the clock. Rain is most likely around February and least likely around November. 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.
Chester weather in winterDecember to February
High 9°CLow 2°CRain 35%
Winter in Chester has typical daily highs of about 9°C and lows of about 2°C, with a 35% chance of rain on a given day.
Chester weather in springMarch to May
High 19°CLow 10°CRain 35%
Spring in Chester has typical daily highs of about 19°C and lows of about 10°C, with a 35% chance of rain on a given day.
Chester weather in summerJune to August
High 29°CLow 21°CRain 35%
Summer in Chester has typical daily highs of about 29°C and lows of about 21°C, with a 35% chance of rain on a given day.
Chester weather in autumnSeptember to November
High 20°CLow 12°CRain 33%
Autumn in Chester has typical daily highs of about 20°C and lows of about 12°C, with a 33% chance of rain on a given day.
When is the rainy season in Chester?
Chester has no sharply defined rainy season: the chance of rain on a given day runs from 32% in November, the driest month, to 37% in February, the wettest.
What time of year is Chester windiest?
Winds in Chester are highest in April, averaging 2.9 m/s (10 km/h), and lightest in August, at 1.7 m/s (6 km/h). The prevailing wind is from the W.
What is the average temperature in Chester year round?
The average temperature in Chester over the whole year is 15°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 1°C.