Annual mean 12°C · wettest around December · prevailing wind SW
Warmest
22.1 °C
Coldest
5.7 °C
Wettest
25%
Windiest
5.4 m/s
Prevailing
SW
4.5 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 London Colney 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. London Colney has no sharply defined rainy season: the chance of rain on a given day runs from 13% in April, the driest month, to 22% in December, the wettest. Winds in London Colney are highest in February, averaging 4.3 m/s (15 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 London Colney come in August, when the sky is typically 47% covered; December is the cloudiest month, at 66%.
Month by month London Colney 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
19%
61%
3.9 m/s
0
0
15
February
8°C
5°C
3°C
19%
59%
4.3 m/s
1
0
26
March
10°C
5°C
5°C
19%
59%
4.1 m/s
2
0
39
April
13°C
7°C
9°C
13%
47%
3.6 m/s
13
0
61
May
16°C
11°C
13°C
15%
48%
3.5 m/s
38
1
80
June
20°C
14°C
17°C
14%
48%
3.6 m/s
65
11
74
July
22°C
16°C
19°C
15%
47%
3.5 m/s
77
16
70
August
21°C
15°C
19°C
14%
47%
3.5 m/s
76
12
73
September
19°C
13°C
16°C
16%
49%
3.4 m/s
61
5
80
October
15°C
10°C
12°C
20%
55%
3.5 m/s
23
0
79
November
10°C
7°C
6°C
19%
60%
3.6 m/s
1
0
46
December
8°C
6°C
4°C
22%
66%
4.0 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 London Colney weather by season
Year round, London Colney has days of about 6°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 April. 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.
London Colney weather in winterDecember to February
High 7°CLow 5°CRain 20%
Winter in London Colney has typical daily highs of about 7°C and lows of about 5°C, with a 20% chance of rain on a given day.
London Colney weather in springMarch to May
High 13°CLow 8°CRain 16%
Spring in London Colney has typical daily highs of about 13°C and lows of about 8°C, with a 16% chance of rain on a given day.
London Colney weather in summerJune to August
High 21°CLow 15°CRain 14%
Summer in London Colney has typical daily highs of about 21°C and lows of about 15°C, with a 14% chance of rain on a given day.
London Colney weather in autumnSeptember to November
High 14°CLow 10°CRain 18%
Autumn in London Colney has typical daily highs of about 14°C and lows of about 10°C, with a 18% chance of rain on a given day.
When is the rainy season in London Colney?
London Colney has no sharply defined rainy season: the chance of rain on a given day runs from 13% in April, the driest month, to 22% in December, the wettest.
What time of year is London Colney windiest?
Winds in London Colney are highest in February, averaging 4.3 m/s (15 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 London Colney year round?
The average temperature in London Colney 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.