Brighton weather forecast
UK towns · East Sussex, England · 50.82°N 0.14°W
Brighton, in East Sussex, England, has its warmest weather in August, when daytime temperatures average 20.9°C, while January nights are the coldest at around 3.4°C. The town sees roughly 1018mm of rain a year; October is normally the wettest month and April the driest. Figures are averaged from 2020–2024 observations.
Climate averages
| Month | Avg high | Avg low | Rain | Rain days |
|---|---|---|---|---|
| Jan | 8.1° | 3.4° | 84mm | 12 |
| Feb | 9.5° | 5° | 87mm | 13 |
| Mar | 10.3° | 5.3° | 82mm | 15 |
| Apr | 12.7° | 5.9° | 52mm | 10 |
| May | 15.8° | 9.2° | 60mm | 13 |
| Jun | 19.1° | 12.6° | 65mm | 11 |
| Jul | 20.2° | 14.5° | 69mm | 14 |
| Aug | 20.9° | 15.1° | 72mm | 13 |
| Sep | 19.4° | 13.3° | 84mm | 12 |
| Oct | 15.7° | 11.1° | 149mm | 18 |
| Nov | 11.8° | 7.3° | 101mm | 12 |
| Dec | 9.3° | 5.4° | 113mm | 16 |
Seasons in Brighton
Spring (March–May). Daytime highs in Brighton climb from 10.3°C in March to 15.8°C by May, while nights ease from 5.3°C to 9.2°C. The season brings around 194mm of rain in total.
Summer (June–August). The warmest stretch of the year: afternoons average 20.1°C, peaking in August at 20.9°C. June is usually the driest of the summer months (65mm over ~11 rainy days). Around the June solstice, Brighton gets roughly 16.3 hours of daylight.
Autumn (September–November). Daytime temperatures fall from 19.4°C in September to 11.8°C by November, and rainfall builds to its annual peak — October is the wettest month of the year (149mm).
Winter (December–February). Nights average 4.6°C, with January the coldest month (average low 3.4°C, daytime high 8.1°C). Expect about 41 days with measurable rain over the three months, and only around 7.7 hours of daylight in mid-December.
How Brighton compares
| Brighton | UK town average | |
|---|---|---|
| Annual rainfall | 1018mm | 1054mm |
| Rainy days per year | 159 | 167 |
| Summer daytime high | 20.1°C | 19.7°C |
| Winter night low | 4.6°C | 3.4°C |
Brighton is almost exactly in line with the average for the 121 UK towns tracked on this site (1054mm), based on 2020–2024 monthly normals.
Brighton weather FAQs
What is the warmest month in Brighton?
August is typically the warmest month in Brighton, with average daytime highs of 20.9°C. Summer afternoons (June–August) average around 20.1°C.
What is the wettest month in Brighton?
October is usually the wettest month, with around 149mm of rain over roughly 18 rainy days. April is typically the driest (52mm).
How much does it rain in Brighton per year?
Brighton receives roughly 1018mm of precipitation per year, spread over about 159 days with at least 1mm of rain (based on 2020–2024 observations).
How cold are winters in Brighton?
Winter nights (December–February) in Brighton average around 4.6°C, with January typically the coldest month (average low 3.4°C).
When is the best time to visit Brighton for good weather?
Late spring and summer offer the most reliable weather in Brighton. June is typically the driest of the warm months (65mm of rain), while August is the warmest, averaging 20.9°C by day — and near the June solstice there are around 16 hours of daylight to enjoy.
How does Brighton's weather compare with the rest of the UK?
Brighton receives 1018mm of rain a year, almost exactly in line with the average for the 121 UK towns tracked on this site (1054mm). Summer daytime highs average 20.1°C against a UK-town average of 19.7°C, and winter nights average 4.6°C versus 3.4°C.
Is it going to rain in Brighton?
For up-to-the-minute rain tracking, check the live rain radar — as a long-term guide, Brighton averages 159 rainy days a year, with October the wettest month (149mm) and April the driest (52mm).
What is the 7-day forecast for Brighton?
See the live hourly and 7-day forecast for day-by-day temperatures and rain chance. The figures on this page are long-term climate averages from 2020–2024, not the live forecast.