Annual mean 14°C · wettest around February · prevailing wind W
Warmest
28.2 °C
Coldest
4.4 °C
Wettest
65%
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 14°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 58% in April, the driest month, to 63% in February, the wettest. Winds in Bristol are highest in March, averaging 2.6 m/s (9 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 46% covered; January is the cloudiest month, at 64%.
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
1°C
60%
64%
2.4 m/s
5
0
21
February
10°C
3°C
6°C
63%
61%
2.3 m/s
12
0
39
March
13°C
5°C
9°C
61%
53%
2.6 m/s
23
1
56
April
17°C
9°C
14°C
58%
51%
2.4 m/s
48
6
63
May
22°C
14°C
20°C
60%
58%
2.0 m/s
64
26
50
June
26°C
18°C
26°C
59%
52%
1.6 m/s
54
50
25
July
28°C
20°C
29°C
59%
51%
1.4 m/s
27
64
6
August
27°C
19°C
28°C
59%
54%
1.3 m/s
38
60
11
September
25°C
16°C
25°C
59%
48%
1.3 m/s
56
48
30
October
20°C
10°C
18°C
59%
46%
1.5 m/s
58
16
63
November
13°C
4°C
9°C
59%
46%
1.9 m/s
24
1
56
December
8°C
2°C
4°C
61%
59%
2.1 m/s
8
0
35
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 14°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 61%
Winter in Bristol has typical daily highs of about 7°C and lows of about 2°C, with a 61% chance of rain on a given day.
Bristol weather in springMarch to May
High 17°CLow 9°CRain 60%
Spring in Bristol has typical daily highs of about 17°C and lows of about 9°C, with a 60% chance of rain on a given day.
Bristol weather in summerJune to August
High 27°CLow 19°CRain 59%
Summer in Bristol has typical daily highs of about 27°C and lows of about 19°C, with a 59% chance of rain on a given day.
Bristol weather in autumnSeptember to November
High 19°CLow 10°CRain 59%
Autumn in Bristol has typical daily highs of about 19°C and lows of about 10°C, with a 59% 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 58% in April, the driest month, to 63% in February, the wettest.
What time of year is Bristol windiest?
Winds in Bristol are highest in March, averaging 2.6 m/s (9 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 14°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about 0°C.