Weather in London
Live weather and 7-day forecast for London, United Kingdom, followed by what to expect in each month of the year.
Sunrise 07:37 Sunset 17:55 Daylight 10h 18m Sun times →
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7-day forecast
Forecast data from Open-Meteo
Climate in London: month by month
Averaged over 2023–2025, the warmest month in London is July, with highs around 23 °C (73 °F) and lows around 14 °C (57 °F); the coolest is January, with highs around 8 °C (46 °F) and lows around 2 °C (35 °F).
London gets about 764 mm (30 in) of precipitation a year. The wettest month is September (96 mm over about 14 days) and the driest is June (35 mm).
| Month | Avg high | Avg low | Precipitation (mm) | Wet days | Daylight |
|---|---|---|---|---|---|
| January | 8° | 2° | 70 | 11 | 8h 20m |
| February | 10° | 4° | 57 | 11 | 9h 59m |
| March | 12° | 5° | 65 | 14 | 11h 49m |
| April | 15° | 6° | 53 | 11 | 13h 51m |
| May | 19° | 9° | 46 | 10 | 15h 36m |
| June | 23° | 12° | 35 | 7 | 16h 36m |
| July | 23° | 14° | 84 | 11 | 16h 12m |
| August | 23° | 14° | 39 | 7 | 14h 39m |
| September | 20° | 12° | 96 | 14 | 12h 42m |
| October | 16° | 10° | 80 | 12 | 10h 45m |
| November | 11° | 6° | 76 | 13 | 8h 54m |
| December | 10° | 5° | 63 | 11 | 7h 52m |
Averages of daily values from the ERA5 reanalysis for 2023–2025 at London's coordinates (model elevation 16 m), via Open-Meteo (CC BY 4.0). Three recent years are not a 30-year climate normal; reanalysis smooths local extremes and tends to count more light-rain days than a rain gauge would. Daylight is sunrise to sunset on the 15th of each month.
Weather questions for London
What is the hottest month in London?
July, with average highs of 23 °C (73 °F) and lows of 14 °C (57 °F) over 2023–2025. The coolest month is January, averaging 8 °C (46 °F) by day and 2 °C (35 °F) at night.
What is the rainiest month in London?
September, with about 96 mm of precipitation on roughly 14 days. The driest month is June (35 mm), and the yearly total is around 764 mm.
When is the weather mildest in London?
Going by the averages, May–September are the months with average daytime highs between 18 °C and 27 °C (64–81 °F) — warm but not hot. September is the month most likely to bring rain.
More about London
Weather in nearby cities
More for London
More for London: local time, sunrise and sunset, moon phases, and the exact time zone.
About this forecast
The live forecast comes from Open-Meteo, which blends models from national weather services and is fetched fresh in your browser on each visit. Times in the hourly outlook are London local time (Europe/London).