Weatheo

Bristol Weather by Month

Average temperatures, rainfall and humidity for Bristol, United Kingdom, month by month, built from OpenWeather’s historical records. Use it to see what a typical Bristol month looks like before you travel — then check the live Bristol forecast for the days ahead.

Warmest month

July

22°C average high

Coolest month

January

3°C average low

Wettest month

December

306 mm of rain

Driest month

April

66 mm of rain

Average temperature and rainfall in Bristol by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January8°C3°C-5°C / 14°C
133 mm
90%17 km/h
February9°C4°C-6°C / 17°C
93 mm
86%19 km/h
March11°C4°C-6°C / 21°C
97 mm
82%18 km/h
April14°C6°C-3°C / 25°C
66 mm
76%17 km/h
May17°C9°C2°C / 32°C
74 mm
77%16 km/h
June20°C12°C6°C / 37°C
72 mm
78%15 km/h
July22°C14°C6°C / 35°C
79 mm
76%14 km/h
August21°C14°C7°C / 35°C
106 mm
80%14 km/h
September19°C11°C4°C / 29°C
89 mm
83%15 km/h
October15°C9°C0°C / 23°C
120 mm
88%16 km/h
November11°C6°C-4°C / 18°C
115 mm
90%17 km/h
December9°C5°C-5°C / 15°C
306 mm
90%18 km/h

Best time to visit Bristol

The most comfortable time to visit Bristol is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around December, totalling about 1,349 mm a year.

Travellers who prefer heat should aim for July, when highs average 22°C. December is the month to avoid if rain would spoil your plans — it averages 306 mm, roughly 5× the rainfall of the driest month (April).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Bristol forecast for what is happening now.