Annual mean 13°C · wettest around February · prevailing wind W
Warmest
27.9 °C
Coldest
4.0 °C
Wettest
74%
Windiest
4.1 m/s
Prevailing
W
3.0 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 Bristol over the whole year is 13°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about 0°C. Bristol has no sharply defined rainy season: the chance of rain on a given day runs from 68% in April, the driest month, to 72% in February, the wettest. Winds in Bristol are highest in March, averaging 2.7 m/s (10 km/h), and lightest in August, at 1.3 m/s (5 km/h). The prevailing wind is from the W. The clearest skies in Bristol come in October, when the sky is typically 44% covered; January is the cloudiest month, at 63%.
Month by month Bristol 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
5°C
0°C
0°C
69%
63%
2.5 m/s
5
0
20
February
9°C
3°C
5°C
72%
60%
2.5 m/s
10
0
37
March
13°C
5°C
8°C
70%
51%
2.7 m/s
21
1
53
April
17°C
9°C
13°C
68%
49%
2.5 m/s
45
5
62
May
22°C
14°C
20°C
69%
56%
2.1 m/s
63
23
51
June
26°C
18°C
26°C
68%
50%
1.7 m/s
56
47
27
July
28°C
20°C
29°C
68%
49%
1.4 m/s
31
62
7
August
26°C
19°C
28°C
68%
52%
1.3 m/s
41
58
13
September
24°C
16°C
24°C
68%
47%
1.4 m/s
58
45
32
October
19°C
10°C
17°C
68%
44%
1.6 m/s
57
14
63
November
12°C
4°C
9°C
68%
44%
2.0 m/s
22
1
53
December
8°C
2°C
4°C
69%
58%
2.2 m/s
7
0
33
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 Bristol weather by season
Year round, Bristol has days of about 5°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from 0°C to 20°C through the year, and the average temperature over the year is 13°C around the clock. Rain is most likely around February 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.
Bristol weather in winterDecember to February
High 7°CLow 2°CRain 70%
Winter in Bristol has typical daily highs of about 7°C and lows of about 2°C, with a 70% chance of rain on a given day.
Bristol weather in springMarch to May
High 17°CLow 9°CRain 69%
Spring in Bristol has typical daily highs of about 17°C and lows of about 9°C, with a 69% chance of rain on a given day.
Bristol weather in summerJune to August
High 26°CLow 19°CRain 68%
Summer in Bristol has typical daily highs of about 26°C and lows of about 19°C, with a 68% chance of rain on a given day.
Bristol weather in autumnSeptember to November
High 19°CLow 10°CRain 68%
Autumn in Bristol has typical daily highs of about 19°C and lows of about 10°C, with a 68% chance of rain on a given day.
When is the rainy season in Bristol?
Bristol has no sharply defined rainy season: the chance of rain on a given day runs from 68% in April, the driest month, to 72% in February, the wettest.
What time of year is Bristol windiest?
Winds in Bristol are highest in March, averaging 2.7 m/s (10 km/h), and lightest in August, at 1.3 m/s (5 km/h). The prevailing wind is from the W.
What is the average temperature in Bristol year round?
The average temperature in Bristol over the whole year is 13°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about 0°C.