Brighton, United Kingdom Climate & Monthly Averages
Brighton has an oceanic climate. August is the hottest month, averaging 69° by day; January is the coldest at 46°.
How weather changes through the year in Brighton
Brighton averages 53°F (11°C) across the year, with 8.1 hours of sunshine a day and 36.2 inches (918 mm) of precipitation. The spread runs from January, at 46°F (8°C), to August, at 69°F (20°C).
Brighton climate quick facts
- Hottest month: August - highs near 69°F (20°C)
- Coldest month: January - highs near 46°F (8°C)
- Decade extremes (2015-2024): 90°F (32°C) high · 20°F (-6°C) low
- Wettest month: October (14 rainy days) · Sunniest: June (12.3 h sun/day)
- Climate type: oceanic
- Annual swing: 12°C between the average warmest and coolest month · day to night: 5°C
- Snow: about 2 days a year
- Average humidity: 81%
Temperatures, rain and sunshine
Three of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is June through July. August is the warm end of the year, averaging 69°F (20°C) by day and 58°F (15°C) overnight. January sits at the other end of the year: 46°F (8°C) by day, 38°F (3°C) at night. Days and nights are about 5°C apart on average - narrower than all but 4% of the 3496 cities in our dataset.
The wettest month is October (4.3 inches (109 mm) across 14 days) and the driest April. Snowfall is rare but not unheard of. The gridded 2015-2024 daily record for this location tops out at 90°F (32°C) and bottoms at 20°F (-6°C) - decade extremes, not all-time station records.
Where Brighton sits among other climates
- Relative humidity averages 81% - more humid than 88% of the 3496 cities we track.
These comparisons use the same ten-year window for every city in the dataset.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 46° | 38° | 13 | 3.2 in | 4.3 h/day | 8.4 h | 41% | 85% |
| February | 47° | 39° | 12 | 2.7 in | 5.5 h/day | 9.9 h | 42% | 83% |
| March | 50° | 41° | 14 | 2.8 in | 7.0 h/day | 11.7 h | 44% | 81% |
| April | 54° | 42° | 10 | 1.9 in | 10.3 h/day | 13.7 h | 34% | 77% |
| May | 60° | 48° | 12 | 2.4 in | 11.3 h/day | 15.5 h | 40% | 78% |
| June | 65° | 54° | 10 | 2.5 in | 12.3 h/day | 16.5 h | 34% | 78% |
| July | 68° | 58° | 12 | 2.5 in | 12.0 h/day | 16.1 h | 37% | 77% |
| August | 69° | 58° | 12 | 3.1 in | 10.7 h/day | 14.5 h | 40% | 79% |
| September | 65° | 55° | 11 | 2.9 in | 8.9 h/day | 12.5 h | 38% | 79% |
| October | 59° | 51° | 14 | 4.3 in | 6.6 h/day | 10.6 h | 45% | 82% |
| November | 52° | 44° | 13 | 4.0 in | 4.7 h/day | 8.8 h | 43% | 84% |
| December | 49° | 42° | 14 | 4.1 in | 3.7 h/day | 8.0 h | 46% | 86% |
Brighton month by month
Each card shows the average high and low. The bar places that month between Brighton's coldest night and warmest afternoon.
January
- Rain
- 13 days
- Sunshine
- 4.3 h
- Daylight
- 8.4 h
February
- Rain
- 12 days
- Sunshine
- 5.5 h
- Daylight
- 9.9 h
March
- Rain
- 14 days
- Sunshine
- 7.0 h
- Daylight
- 11.7 h
April
- Rain
- 10 days
- Sunshine
- 10.3 h
- Daylight
- 13.7 h
May
- Rain
- 12 days
- Sunshine
- 11.3 h
- Daylight
- 15.5 h
June
- Rain
- 10 days
- Sunshine
- 12.3 h
- Daylight
- 16.5 h
July
- Rain
- 12 days
- Sunshine
- 12.0 h
- Daylight
- 16.1 h
August
- Rain
- 12 days
- Sunshine
- 10.7 h
- Daylight
- 14.5 h
September
- Rain
- 11 days
- Sunshine
- 8.9 h
- Daylight
- 12.5 h
October
- Rain
- 14 days
- Sunshine
- 6.6 h
- Daylight
- 10.6 h
November
- Rain
- 13 days
- Sunshine
- 4.7 h
- Daylight
- 8.8 h
December
- Rain
- 14 days
- Sunshine
- 3.7 h
- Daylight
- 8.0 h
Looking for warmer alternatives? Browse warm places by month, or compare Brighton's coolest part of the year: January, February, December.
A season-by-season guide to Brighton
Spring (March through May)
Through spring, Brighton is mild: 55°F (13°C) by day, 44°F (7°C) after dark, and rain falls on around 36 of the 90 days.
Summer (June through August)
Summer stays on the cool side of mild here - highs near 67°F (20°C), nights near 57°F (14°C), and rain falls on around 34 of the 90 days. Daylight is generous - around 11.7 hours of sun a day.
Fall (September through November)
Fall in Brighton runs cool rather than cold, with daytime highs averaging 59°F (15°C) and nights around 50°F (10°C); rain falls on around 38 of the 90 days.
Winter (December through February)
Through winter, Brighton is chilly: 47°F (9°C) by day, 40°F (4°C) after dark, and rain falls on around 39 of the 90 days.
Questions people ask about Brighton's climate
Is Brighton cold in winter?
What is the average temperature in Brighton?
What should I pack for Brighton?
Is Brighton hot in summer?
The most useful weather window for Brighton
Best time to visit Brighton
Aim for June to July and April if you get the choice: warm days, manageable rainfall and plenty of daylight line up, and highs average 63°F (17°C) against roughly 11 wet days a month. For the same question asked the other way round, see where else is warm in June.
What to pack
Pack for Brighton 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 August, lows of 58°F (15°C) make an extra layer worth the space.
Brighton temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.