London, United Kingdom Weather
London hourly forecast: next 24 hours
Today's high of 77°F (25°C) is about 5°F (3°C) above the typical August high of 72°F (22°C).
Current conditions in detail
London weather tomorrow (Friday, August 7)
Tomorrow in London looks sunny, with a high of 80° and an overnight low of 60°. Rain is unlikely (1% chance). Winds top out near 7 mph, and the UV index reaches 6 (high).
London 14-day forecast
About the weather in London
Weather in London is shaped by its oceanic climate - expect mild temperatures year-round with regular rainfall. July afternoons typically reach 73°F (23°C), while January highs hover near 46°F (8°C). Annual precipitation averages 28.4 inches (721 mm) over about 135 rainy days.
London weather: quick facts
- Hottest month: July - highs near 73°F (23°C)
- Coldest month: January - highs near 46°F (8°C)
- Record high: 100°F (38°C) · Record low: 13°F (-10°C) (2015–2024)
- Wettest month: October (12 rainy days) · Sunniest: June (11.2 h sun/day)
- Climate type: oceanic - mild temperatures year-round with regular rainfall
- Snow: about 2 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 73°F (23°C) and overnight lows stay near 57°F (14°C). The coolest month is January, with typical highs of 46°F (8°C) and lows around 35°F (2°C). Based on 2015–2024 weather data, temperatures have reached as high as 100°F (38°C) and dropped as low as 13°F (-10°C).
Rain, sun and snow
October is usually the wettest month. It brings about 3.0 inches (77 mm) of rain over 12 days, while April is the driest. June brings the most sunshine, averaging 11.2 hours of sun a day. Snowfall is rare but not unheard of.
Season by season
Spring (March through May)
Spring in London stays on the cool side of mild, with daytime highs averaging 57°F (14°C) and nights around 42°F (6°C); expect showers on roughly 34 days across the season.
Summer (June through August)
Summer in London is pleasantly warm, with daytime highs averaging 71°F (22°C) and nights around 56°F (13°C); expect showers on roughly 31 days across the season.
Fall (September through November)
Fall in London is crisp but comfortable, with daytime highs averaging 60°F (15°C) and nights around 47°F (9°C); expect showers on roughly 34 days across the season.
Winter (December through February)
Winter in London is brisk and cold, with daytime highs averaging 48°F (9°C) and nights around 37°F (3°C); expect showers on roughly 35 days across the season.
Average temperatures in London by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 46° | 35° | 12 | 2.4 in | 4.3 h/day | 86% |
| February | 49° | 37° | 11 | 2.1 in | 5.2 h/day | 82% |
| March | 52° | 39° | 13 | 2.3 in | 6.5 h/day | 79% |
| April | 57° | 41° | 10 | 1.6 in | 9.5 h/day | 74% |
| May | 63° | 47° | 11 | 2.3 in | 10.6 h/day | 74% |
| June | 69° | 53° | 11 | 2.4 in | 11.2 h/day | 72% |
| July | 73° | 57° | 11 | 2.4 in | 11.2 h/day | 71% |
| August | 72° | 57° | 10 | 2.2 in | 10.0 h/day | 74% |
| September | 67° | 53° | 11 | 2.5 in | 8.4 h/day | 77% |
| October | 60° | 48° | 12 | 3.0 in | 6.3 h/day | 83% |
| November | 52° | 42° | 11 | 2.6 in | 4.4 h/day | 86% |
| December | 49° | 40° | 12 | 2.6 in | 3.3 h/day | 88% |