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 | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 46° | 36° | 13 | 2.8 in | 4.0 h/day | 8.3 h | 42% | 88% |
| February | 48° | 38° | 12 | 2.9 in | 5.1 h/day | 9.9 h | 41% | 84% |
| March | 50° | 39° | 15 | 3.3 in | 6.5 h/day | 11.7 h | 49% | 82% |
| April | 55° | 40° | 10 | 2.0 in | 9.3 h/day | 13.8 h | 34% | 77% |
| May | 61° | 47° | 12 | 2.8 in | 10.6 h/day | 15.6 h | 39% | 77% |
| June | 67° | 53° | 12 | 2.7 in | 11.0 h/day | 16.6 h | 40% | 77% |
| July | 69° | 56° | 13 | 2.8 in | 10.9 h/day | 16.2 h | 41% | 76% |
| August | 68° | 56° | 13 | 3.2 in | 9.6 h/day | 14.6 h | 43% | 79% |
| September | 65° | 52° | 13 | 3.4 in | 8.1 h/day | 12.5 h | 43% | 81% |
| October | 58° | 48° | 14 | 3.8 in | 6.0 h/day | 10.6 h | 44% | 85% |
| November | 51° | 42° | 14 | 3.3 in | 4.2 h/day | 8.8 h | 45% | 87% |
| December | 48° | 40° | 15 | 3.9 in | 3.2 h/day | 7.9 h | 49% | 89% |
Bristol month by month
Average high and low for each month, with the bar showing where it sits in Bristol's year (left is the coldest night, right is the warmest afternoon).
January
- Rain
- 13 days
- Sunshine
- 4.0 h
- Daylight
- 8.3 h
February
- Rain
- 12 days
- Sunshine
- 5.1 h
- Daylight
- 9.9 h
March
- Rain
- 15 days
- Sunshine
- 6.5 h
- Daylight
- 11.7 h
April
- Rain
- 10 days
- Sunshine
- 9.3 h
- Daylight
- 13.8 h
May
- Rain
- 12 days
- Sunshine
- 10.6 h
- Daylight
- 15.6 h
June
- Rain
- 12 days
- Sunshine
- 11.0 h
- Daylight
- 16.6 h
July
- Rain
- 13 days
- Sunshine
- 10.9 h
- Daylight
- 16.2 h
August
- Rain
- 13 days
- Sunshine
- 9.6 h
- Daylight
- 14.6 h
September
- Rain
- 13 days
- Sunshine
- 8.1 h
- Daylight
- 12.5 h
October
- Rain
- 14 days
- Sunshine
- 6.0 h
- Daylight
- 10.6 h
November
- Rain
- 14 days
- Sunshine
- 4.2 h
- Daylight
- 8.8 h
December
- Rain
- 15 days
- Sunshine
- 3.2 h
- Daylight
- 7.9 h
Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December
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. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.