London Climate by Month
London, England, United Kingdom
Warm summers and cool winters, with rain spread through the year.
The climate in London is one of warm summers and cool winters, with rain spread through the year. July is the warmest month, with highs around 75°F (24°C); January is the coolest at 47°F (8°C), and nights dip to 37°F (3°C). About 26 in (670 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 75°F(24°C)
- Average high, July
- Coldest nights
- 37°F(3°C)
- Average low, February
- Rain per year
- 26 in(670 mm)
- No clear rainy season
- Humidity
- 76%
- Sunniest: June
Best and worst months in London
Best for weatherJuly and August are the best time for weather in London: highs near 75°F (24°C) and about 2.2 in (57 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 47°F (8°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
London weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 47°F(8°C) | 37°F(3°C) | 2.4 in(62 mm) | 88% | 0.7 |
| FebFebruary | 48°F(9°C) | 37°F(3°C) | 1.8 in(45 mm) | 86% | 1.3 |
| MarMarch | 53°F(12°C) | 39°F(4°C) | 1.7 in(42 mm) | 75% | 2.5 |
| AprApril | 59°F(15°C) | 42°F(6°C) | 1.7 in(44 mm) | 72% | 3.7 |
| MayMay | 65°F(19°C) | 47°F(8°C) | 1.9 in(47 mm) | 72% | 4.5 |
| JunJune | 71°F(22°C) | 52°F(11°C) | 2.2 in(56 mm) | 69% | 4.9 |
| JulJulyBest | 75°F(24°C) | 56°F(14°C) | 2.1 in(54 mm) | 65% | 4.8 |
| AugAugustBest | 74°F(23°C) | 56°F(14°C) | 2.4 in(60 mm) | 71% | 4.0 |
| SepSeptember | 68°F(20°C) | 52°F(11°C) | 2.2 in(55 mm) | 74% | 3.0 |
| OctOctober | 60°F(16°C) | 47°F(8°C) | 2.8 in(71 mm) | 78% | 1.7 |
| NovNovember | 53°F(11°C) | 42°F(5°C) | 2.8 in(70 mm) | 82% | 0.9 |
| DecDecember | 48°F(9°C) | 38°F(3°C) | 2.5 in(64 mm) | 85% | 0.6 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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