Brighton weather by month
United Kingdom

The best time to visit Brighton is June to August — 86/100 in August, 21°C and 8 rainy days. The best season is summer, June to August (84/100 on average).
The worst month is December at 38/100 — cold, a little rain, clean air. See December →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit United Kingdom →
Brighton, month by month
Comfort score out of 100 for the kind of trip Brighton is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 40 | F | 8°C | 12 d | 4 h | Busy | 1 |
| FebFebruary | 47 | F | 9°C | 11 d | 5 h | Busy | 1 |
| MarMarch | 57 | D | 11°C | 13 d | 7 h | Shoulder | — |
| AprApril | 73 | B | 13°C | 9 d | 10 h | Peak | 2 |
| MayMay | 77 | B | 17°C | 10 d | 11 h | Peak | 3 |
| JunJune | 81 | A | 20°C | 9 d | 12 h | Peak | 4 |
| JulJuly | 84 | A | 22°C | 10 d | 12 h | Peak | 4 |
| AugAugust | 86 | A | 21°C | 8 d | 11 h | Peak | 4 |
| SepSeptember | 75 | B | 20°C | 11 d | 9 h | Peak | 2 |
| OctOctober | 62 | C | 16°C | 12 d | 6 h | Busy | — |
| NovNovember | 49 | F | 12°C | 12 d | 5 h | Busy | 2 |
| DecDecember | 38 | F | 10°C | 12 d | 3 h | Busy | 2 |
What's on in Brighton through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- April
- Brighton Marathon5–20 Apr (usually)Festival
- Nesting gulls15 Apr – 1 Aug (usually)Nature
- May
- Brighton Festival and Fringe1–31 MayFestival
- The Great Escape12–20 May (usually)Festival
- June
- London to Brighton bike ride10–25 Jun (usually)Festival
- Beach season1 Jun – 15 Sep (usually)Season
- London day-trippers20 Jun – 5 Sep (usually)Season
- July
- Brighton Pride30 Jul – 10 Aug (usually)Festival
- November
- Veteran Car Run1–8 Nov (usually)Festival
- Starling murmurations1 Nov – 28 Feb (usually)Nature
- December
- Burning the Clocks21 DecFestival
Crowds in Brighton in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsBeach season, London day-trippers, Summer holidays in United Kingdom(estimated)
Peak crowdsBusyShoulder seasonQuiet