Thursday 2 July
London UV index today
UV peaks at 6 today (high). Reduce time in the sun 10am-4pm. SPF 50+.
25°
Feels like 21°C
Clear sky in London
High 26° · Low 17° · 14% chance of rain
Wind
17 km/h NNW
Humidity
29%
UV index
6
Pressure
1022 hPa
7-day UV outlook
- Today6High
- Friday5High
- Saturday4Moderate
- Sunday7High
- Monday6High
- Tuesday6High
- Wednesday7High
Sun safety in London
London sits at latitude 33°S with famously intense sun. UV can reach extreme levels between November and February, often before midday. Cancer Research UK recommends sun protection whenever the UV index is 3 or above, and London typically exceeds 3 for around 10 hours a day in summer.
UV categories
- Low (up to 2): Sun protection not usually needed.
- Moderate (up to 5): Wear sunscreen, a hat and sunglasses.
- High (up to 7): Reduce time in the sun 10am-4pm. SPF 50+.
- Very high (up to 10): Avoid the midday sun. Full sun protection.
- Extreme (11+): Stay indoors during peak UV hours.