Bristol, United Kingdom Climate & Monthly Averages
The climate of Bristol
Set in United Kingdom, Bristol works through an oceanic year: July afternoons near 69°F (21°C), January afternoons near 46°F (8°C), and about 36.9 inches (938 mm) of precipitation between them.
Climate quick facts
- Hottest month: July - highs near 69°F (21°C)
- Coldest month: January - highs near 46°F (8°C)
- Decade extremes (2015-2024): 92°F (33°C) high · 20°F (-6°C) low
- Wettest month: December (15 rainy days) · Sunniest: June (11.0 h sun/day)
- Climate type: oceanic
- Annual swing: 12°C between the average warmest and coolest month · day to night: 6°C
- Snow: about 2 days a year
- Average humidity: 82%
Temperatures through the year
January is the coolest month, with highs of 46°F (8°C) and lows near 36°F (2°C). At its warmest, in July, Bristol runs to 69°F (21°C) in the afternoon and back to 56°F (13°C) by dawn. Precipitation concentrates in December - 3.9 inches (100 mm) on 15 days - and thins out by April.
Rain, sun and snow
Relative humidity averages 82% across the year, more humid than 92% of the 3496 cities in our dataset. Days and nights are about 6°C apart on average - narrower than about 87% of the cities we track. Sunshine averages 7.4 hours a day over the year - duller than all but 5% of the 3496 cities in our dataset, peaking in June at 11.0 hours. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 92°F (33°C) and the lowest daily minimum 20°F (-6°C).
How Bristol compares
- Bristol sits close to the middle of our dataset on most measures: 51°F (11°C) as an annual average, 36.9 inches (938 mm) of precipitation and 7.4 hours of sun a day.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 46° | 36° | 13 | 2.8 in | 4.0 h/day | 88% |
| February | 48° | 38° | 12 | 2.9 in | 5.1 h/day | 84% |
| March | 50° | 39° | 15 | 3.3 in | 6.5 h/day | 82% |
| April | 55° | 40° | 10 | 2.0 in | 9.3 h/day | 77% |
| May | 61° | 47° | 12 | 2.8 in | 10.6 h/day | 77% |
| June | 67° | 53° | 12 | 2.7 in | 11.0 h/day | 77% |
| July | 69° | 56° | 13 | 2.8 in | 10.9 h/day | 76% |
| August | 68° | 56° | 13 | 3.2 in | 9.6 h/day | 79% |
| September | 65° | 52° | 13 | 3.4 in | 8.1 h/day | 81% |
| October | 58° | 48° | 14 | 3.8 in | 6.0 h/day | 85% |
| November | 51° | 42° | 14 | 3.3 in | 4.2 h/day | 87% |
| December | 48° | 40° | 15 | 3.9 in | 3.2 h/day | 89% |
Bristol month by month
Bristol weather in January
January brings highs around 46°F (8°C), lows near 36°F (2°C), about 13 wet days - typically the coldest month of the year in Bristol.
Bristol weather in February
February brings highs around 48°F (9°C), lows near 38°F (3°C), about 12 wet days.
Bristol weather in March
March brings highs around 50°F (10°C), lows near 39°F (4°C), about 15 wet days.
Bristol weather in April
April brings highs around 55°F (13°C), lows near 40°F (5°C), about 10 wet days - typically the driest month of the year in Bristol.
Bristol weather in May
May brings highs around 61°F (16°C), lows near 47°F (8°C), about 12 wet days.
Bristol weather in June
June brings highs around 67°F (19°C), lows near 53°F (11°C), about 12 wet days - typically the sunniest month of the year in Bristol.
Bristol weather in July
July brings highs around 69°F (21°C), lows near 56°F (13°C), about 13 wet days - typically the hottest month of the year in Bristol.
Bristol weather in August
August brings highs around 68°F (20°C), lows near 56°F (13°C), about 13 wet days.
Bristol weather in September
September brings highs around 65°F (18°C), lows near 52°F (11°C), about 13 wet days.
Bristol weather in October
October brings highs around 58°F (15°C), lows near 48°F (9°C), about 14 wet days.
Bristol weather in November
November brings highs around 51°F (11°C), lows near 42°F (6°C), about 14 wet days.
Bristol weather in December
December brings highs around 48°F (9°C), lows near 40°F (5°C), about 15 wet days - typically the wettest month of the year in Bristol.
Seasons in Bristol
Spring (March through May)
Spring in Bristol is mild, with daytime highs averaging 56°F (13°C) and nights around 42°F (6°C); rain falls on around 38 of the 90 days.
Summer (June through August)
Through summer, Bristol settles into easy warmth: 68°F (20°C) by day, 55°F (13°C) after dark, and rain falls on around 38 of the 90 days. Daylight is generous - around 10.5 hours of sun a day.
Fall (September through November)
Fall is crisp but comfortable here - highs near 58°F (14°C), nights near 47°F (9°C), and rain falls on around 40 of the 90 days.
Winter (December through February)
Winter in Bristol is chilly, with daytime highs averaging 47°F (8°C) and nights around 38°F (3°C); rain falls on around 40 of the 90 days.
Climate questions, answered
What should I wear in Bristol?
Is Bristol humid?
How much sun does Bristol get?
How hot does Bristol get in summer?
Best time to visit Bristol
The best time to visit Bristol is generally April to September, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window sit near 64°F (18°C), with rain on about 12 days a month. For the same question asked the other way round, see where else is warm in April.
Pack for Bristol with a warm jacket and layers for the cooler season and proper waterproofs rather than an umbrella - wet days are the norm here. Even in July, lows of 56°F (13°C) make an extra layer worth the space.
Bristol temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.