Weather radar London
Real-time precipitation radar · England · United Kingdom
London climate table – average temperature, precipitation & sunshine hours
The climate table for London shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 7.5° | 9.5° | 11.5° | 13.7° | 17.3° | 21.5° | 22.6° | 22.3° | 19.8° | 15.9° | 11.1° | 9.1° |
| Avg low (°C) | 2.3° | 4.1° | 4.8° | 5.5° | 9.3° | 12.4° | 14.3° | 14.1° | 12.3° | 9.7° | 6.1° | 5° |
| Precipitation (mm) | 64 | 55 | 55 | 41 | 60 | 56 | 66 | 44 | 70 | 82 | 76 | 61 |
| Rainy days | 11 | 11 | 13 | 9 | 12 | 9 | 11 | 8 | 12 | 13 | 11 | 12 |
| Sunshine hours | 113 | 124 | 207 | 290 | 316 | 346 | 328 | 294 | 237 | 176 | 121 | 77 |
| Humidity | 87% | 84% | 80% | 72% | 75% | 71% | 72% | 74% | 80% | 85% | 87% | 89% |
Best time to visit London
The best time to visit London is typically June. In this month the average high is 21.5°C, precipitation is 56 mm and sunshine duration is 346 hours. The annual average high is 15.2°C, total annual precipitation is 730 mm (132 rainy days/year) and annual sunshine is 2629 hours.
Frequently asked questions about the weather in London
How up to date is the weather radar for London?
The weather radar for London is updated every 5 minutes with new radar data from the OPERA composite radar. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for London?
Besides the rain radar, RadarWeather provides for London: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in London?
The thunderstorm potential for London is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near London.
What is the climate like in London?
London has an annual average high of 15.2°C. The warmest month is July (avg high 22.6°C), the coldest January (avg low 2.3°C). The wettest month is October with 82 mm, the driest April with 41 mm. Total annual precipitation is 730 mm (132 rainy days). Annual sunshine is 2629 hours.
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