Visiting · London 2026
London weather, month by month
The honest version: which months are warm enough to swim, which are wet, which are quiet, which are slammed. Numbers are the Open-Meteo 1991-2020 baseline; the verdicts are ours.
- Written by one person
- Chosen on merit
- Verified every season
- Independent — paid placements clearly labelled
| Month | High | Low | Rain | Sun | Sea |
|---|---|---|---|---|---|
| Jan | 7.1°C | 1.8°C | 51.2 mm | 0 h | — |
| Feb | 7.6°C | 1.5°C | 40.7 mm | 0 h | — |
| Mar | 10.2°C | 3.1°C | 58.4 mm | 0 h | — |
| Apr | 13.1°C | 5°C | 54.6 mm | 0 h | — |
| May | 16.3°C | 8°C | 56.2 mm | 0 h | — |
| Jun | 19.9°C | 11.5°C | 58.6 mm | 0 h | — |
| Jul | 21.3°C | 13.2°C | 62.7 mm | 0 h | — |
| Aug | 21.6°C | 13.4°C | 47.5 mm | 0 h | — |
| Sep | 19.2°C | 11.7°C | 54.2 mm | 0 h | — |
| Oct | 14.7°C | 8.2°C | 57.2 mm | 0 h | — |
| Nov | 10°C | 4.7°C | 63.6 mm | 0 h | — |
| Dec | 7.5°C | 2.8°C | 51.5 mm | 0 h | — |
1991–2020 baseline · sea temperature: trailing 12 months · source: Open-Meteo
When to come
London runs cooler than the postcards. The year-round table above shows exactly when the air, sun and (where applicable) sea make the trip work for what you're after.
Pick a month
Common questions
- When is the best time to visit London?
- London runs cooler than the postcards. The year-round table above shows exactly when the air, sun and (where applicable) sea make the trip work for what you're after.
- Can you swim in London year-round?
- London isn't a year-round swim destination by tourist standards — the warmest months still see locals in the water.
- What's the rainiest month in London?
- November — about 64 mm on the 1991-2020 baseline. London's rainy month is rarely a deal-breaker but worth packing for.
- Is London hot in summer?
- London's summers are temperate — peak averages 21.6°C, gentler than the Mediterranean cliché.