UV index by month
UV by city
How strong the sun gets in each month, from three years of daily UV data. Pick a city for its typical UV, the hours it reaches 3 or more, and a link to today's forecast.
Australia
Brazil
- Rio de Janeiro · peaks around 11 in February
Canada
China
- Hong Kong · peaks around 8 in July
France
- Paris · peaks around 6 in June
Germany
- Berlin · peaks around 5 in June
Greece
- Athens · peaks around 9 in July
India
Italy
- Rome · peaks around 8 in July
Japan
- Tokyo · peaks around 8 in August
Mexico
- Mexico City · peaks around 13 in April
Netherlands
- Amsterdam · peaks around 5 in June
New Zealand
- Auckland · peaks around 8 in December
Portugal
- Lisbon · peaks around 9 in July
Singapore
- Singapore · peaks around 11 in February
South Africa
- Cape Town · peaks around 12 in January
South Korea
- Seoul · peaks around 6 in June
Spain
Thailand
- Bangkok · peaks around 10 in August
United Arab Emirates
- Dubai · peaks around 10 in May
United Kingdom
- London · peaks around 5 in June
United States
- Atlanta · peaks around 8 in July
- Austin · peaks around 9 in June
- Boston · peaks around 6 in July
- Chicago · peaks around 7 in June
- Dallas · peaks around 9 in July
- Denver · peaks around 10 in July
- Honolulu · peaks around 12 in August
- Houston · peaks around 9 in June
- Las Vegas · peaks around 11 in July
- Los Angeles · peaks around 10 in July
- Miami · peaks around 10 in May
- Minneapolis · peaks around 7 in July
- Nashville · peaks around 8 in July
- New Orleans · peaks around 9 in June
- New York · peaks around 7 in July
- Orlando · peaks around 9 in July
- Philadelphia · peaks around 7 in July
- Phoenix · peaks around 10 in July
- Portland · peaks around 8 in July
- Salt Lake City · peaks around 10 in July
- San Diego · peaks around 10 in July
- San Francisco · peaks around 8 in June
- Seattle · peaks around 7 in July
- Tampa · peaks around 9 in July
- Washington · peaks around 7 in July