London UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index5.6
- Avg Clouds12%
- Max Temp23.5 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in London, Canada 
will reach a high of 5.6 today. This means a moderate level of sun exposure. See our tips below to stay safe!
Last checked: 2025-09-11
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
The UV index in London, Canada, typically ranges from low in winter to moderate or high in summer, peaking around 6 to 7 during sunny days in June and July.
Weather Seasons
London experiences cold winters with snow, mild springs, warm summers, and cool autumns. The warmest months are July and August, while January is usually the coldest, often below freezing.
London's Climate
Compared to other Canadian cities, London has moderate weather, less harsh than northern areas. It is warmer than cities like Toronto in winter but cooler than southern US cities. Neighboring countries like the US often have higher summer UV levels.
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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