Annual mean 12°C · wettest around February · prevailing wind W
Warmest
27.1 °C
Coldest
1.5 °C
Wettest
42%
Windiest
4.8 m/s
Prevailing
W
4.0 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Colchester over the whole year is 12°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -2°C. The rainy (wet) season in Colchester runs from January to February, peaking in February with a 39% chance of rain on a given day. The dry season is March to December; June is the driest month, at 6%. Winds in Colchester are highest in March, averaging 3.7 m/s (13 km/h), and lightest in July, at 2.4 m/s (9 km/h). The prevailing wind is from the W. The clearest skies in Colchester come in November, when the sky is typically 37% covered; May is the cloudiest month, at 51%.
Month by month Colchester 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
2°C
-2°C
-4°C
35%
49%
3.4 m/s
1
0
6
February
3°C
-1°C
-2°C
39%
46%
3.3 m/s
1
0
11
March
7°C
2°C
2°C
18%
45%
3.7 m/s
2
0
24
April
12°C
6°C
7°C
12%
50%
3.5 m/s
14
1
50
May
18°C
12°C
15°C
11%
51%
3.0 m/s
49
8
74
June
23°C
17°C
22°C
6%
42%
2.7 m/s
72
31
53
July
27°C
21°C
27°C
7%
40%
2.4 m/s
48
61
19
August
26°C
20°C
26°C
6%
39%
2.4 m/s
58
53
26
September
22°C
16°C
21°C
8%
43%
2.6 m/s
74
24
59
October
17°C
11°C
14°C
10%
46%
2.8 m/s
47
5
74
November
10°C
4°C
5°C
9%
37%
3.1 m/s
11
0
39
December
4°C
0°C
-1°C
13%
46%
3.0 m/s
0
0
13
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 Colchester weather by season
Year round, Colchester has days of about 2°C at their warmest in January, its coolest month, and 27°C in July, its warmest; the coolest hours of the day run from -2°C to 21°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around February and least likely around June. 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.
Colchester weather in winterDecember to February
High 3°CLow -1°CRain 29%
Winter in Colchester has typical daily highs of about 3°C and lows of about -1°C, with a 29% chance of rain on a given day.
Colchester weather in springMarch to May
High 12°CLow 7°CRain 13%
Spring in Colchester has typical daily highs of about 12°C and lows of about 7°C, with a 13% chance of rain on a given day.
Colchester weather in summerJune to August
High 25°CLow 19°CRain 6%
Summer in Colchester has typical daily highs of about 25°C and lows of about 19°C, with a 6% chance of rain on a given day.
Colchester weather in autumnSeptember to November
High 16°CLow 10°CRain 9%
Autumn in Colchester has typical daily highs of about 16°C and lows of about 10°C, with a 9% chance of rain on a given day.
When is the rainy season in Colchester?
The rainy (wet) season in Colchester runs from January to February, peaking in February with a 39% chance of rain on a given day. The dry season is March to December; June is the driest month, at 6%.
What time of year is Colchester windiest?
Winds in Colchester are highest in March, averaging 3.7 m/s (13 km/h), and lightest in July, at 2.4 m/s (9 km/h). The prevailing wind is from the W.
What is the average temperature in Colchester year round?
The average temperature in Colchester over the whole year is 12°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -2°C.