London UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index5.2
- Avg Clouds66%
- Max Temp29.9 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in London, United Kingdom 
will reach a high of 5.2 today. This means a moderate level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-13
Hourly Forecast Chart
Today's Safety Tips
The sun is a bit strong. Find some shade during midday. Wear a hat, sunglasses, and use SPF 30+ sunscreen if you'll be outside for a while.
London's UV Index
London's UV index usually ranges from low to moderate, around 1 to 5, peaking during the summer months in June and July. Winters have very low UV levels near 0 or 1.
Weather Seasons
Seasonally, London has mild summers with average highs around 22°C (72°F) and cool winters averaging 2-8°C (36-46°F). Rain is spread throughout the year, often cloudy or drizzly.
London's Climate
Compared to other UK cities, London's weather is relatively mild and less rainy than places in the northwest. Its UV index is similar to other parts of southern England but lower than southern European countries like Spain or Italy.
Hourly UV Index Trend
See the UV index hour by hour for London. When the level is high, it's smart to find some shade.
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