Best time to visit London
The best time to visit London, United Kingdom is June–August — expect daytime highs near 23°C and roughly 7.8 rainy days a month. The most challenging month is typically January.
Travel score by month (0–10)
London climate, month by month
Averages computed from ERA5 reanalysis data, 2019–2024. Daylight on the 15th: 14.4 h in August.
| Month | High | Low | Rain days | Rainfall | Sun/day | Humidity | Score |
|---|---|---|---|---|---|---|---|
| January | 8°C | 2°C | 10.8 | 58 mm | 4.4 h | 87% | 2.6 · Challenging |
| February | 10°C | 4°C | 12.3 | 64 mm | 5.1 h | 83% | 3.8 · Poor |
| March | 12°C | 4°C | 13.5 | 59 mm | 6.5 h | 79% | 4.4 · Poor |
| April | 14°C | 5°C | 9 | 41 mm | 9.6 h | 73% | 7.3 · Good |
| May | 17°C | 8°C | 11.2 | 56 mm | 10.8 h | 73% | 8.7 · Excellent |
| June | 21°C | 12°C | 11 | 66 mm | 11.6 h | 72% | 9.1 · Excellent |
| July | 23°C | 14°C | 10.8 | 66 mm | 11.2 h | 71% | 9.1 · Excellent |
| August | 23°C | 14°C | 7.8 | 49 mm | 10.4 h | 73% | 9.8 · Excellent |
| September | 20°C | 12°C | 11.2 | 73 mm | 8.6 h | 77% | 8.8 · Excellent |
| October | 16°C | 9°C | 15.8 | 107 mm | 6.2 h | 84% | 6.2 · Fair |
| November | 11°C | 5°C | 12.2 | 76 mm | 4.5 h | 87% | 4.2 · Poor |
| December | 9°C | 4°C | 12.7 | 73 mm | 3.3 h | 88% | 2.7 · Challenging |
January
2.6 · Challenging
8°C / 2°C
💧 10.8 rain days · ☀️ 4.4 h sun · 🌡 feels 87% RH
February
3.8 · Poor
10°C / 4°C
💧 12.3 rain days · ☀️ 5.1 h sun · 🌡 feels 83% RH
March
4.4 · Poor
12°C / 4°C
💧 13.5 rain days · ☀️ 6.5 h sun · 🌡 feels 79% RH
April
7.3 · Good
14°C / 5°C
💧 9 rain days · ☀️ 9.6 h sun · 🌡 feels 73% RH
May
8.7 · Excellent
17°C / 8°C
💧 11.2 rain days · ☀️ 10.8 h sun · 🌡 feels 73% RH
June
9.1 · Excellent
21°C / 12°C
💧 11 rain days · ☀️ 11.6 h sun · 🌡 feels 72% RH
July
9.1 · Excellent
23°C / 14°C
💧 10.8 rain days · ☀️ 11.2 h sun · 🌡 feels 71% RH
August
9.8 · Excellent
23°C / 14°C
💧 7.8 rain days · ☀️ 10.4 h sun · 🌡 feels 73% RH
September
8.8 · Excellent
20°C / 12°C
💧 11.2 rain days · ☀️ 8.6 h sun · 🌡 feels 77% RH
October
6.2 · Fair
16°C / 9°C
💧 15.8 rain days · ☀️ 6.2 h sun · 🌡 feels 84% RH
November
4.2 · Poor
11°C / 5°C
💧 12.2 rain days · ☀️ 4.5 h sun · 🌡 feels 87% RH
December
2.7 · Challenging
9°C / 4°C
💧 12.7 rain days · ☀️ 3.3 h sun · 🌡 feels 88% RH
Hottest month
August · 23°C
Coldest month
January · 2°C nights
Wettest month
October · 107 mm
Driest month
April · 41 mm
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