UV Index in San Juan, Puerto Rico

Last updated: November 11, 2024

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 2 4 6 8 9 8 6 4 2 1 0 0
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

UV Index throughout the year in San Juan

UV Index (UVI) in San Juan. Generated using Copernicus Atmosphere Monitoring Service information. Data for the period from January 2022 to January 2023.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
January 1 1 3 5 7 9 9 8 5 3 1 1 0
February 1 1 3 6 9 11 11 9 6 3 1 1 0
March 1 2 5 8 11 13 13 10 7 4 2 1 0
April 1 3 5 9 12 13 13 11 7 4 2 1 0
May 1 3 6 9 12 14 13 10 7 4 2 1 0
June 1 3 5 9 11 13 12 10 7 4 2 1 0
July 1 2 5 8 11 12 12 10 7 4 2 1 0
August 1 2 5 8 11 13 13 10 7 4 2 1 0
September 1 2 5 9 12 13 13 10 7 4 1 1 0
October 1 2 5 8 10 12 11 9 5 3 1 1 0
November 1 2 4 6 8 9 8 6 4 2 1 0 0
December 1 1 3 5 7 8 8 6 4 2 1 0 0

Compare San Juan UV Index to other Puerto Rico cities

San Juan's solar exposure compared to other cities in Puerto Rico. Generated using Copernicus Atmosphere Monitoring Service information.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
San Juan 9 11 13 13 14 13 12 13 13 12 9 8
Caguas 9 11 13 13 14 13 12 13 13 12 9 8
Carolina 9 11 13 13 14 13 12 13 13 12 9 8
Bayamon 9 11 13 13 14 13 13 13 13 12 9 8
Ponce 9 11 13 14 14 13 13 13 14 12 10 9

Compare San Juan's UV Index to other cities in the world

San Juan's solar exposure compared to other cities in the world. Generated using Copernicus Atmosphere Monitoring Service information.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Oslo 1 2 3 4 5 7 7 5 4 2 1 1
London 1 2 4 5 7 8 8 7 6 4 2 1
Toronto 2 4 5 8 9 9 9 9 7 5 3 2
New York City 3 5 6 8 10 10 9 9 8 6 4 2
Athens 3 4 6 8 10 10 10 10 8 7 4 3
Tokyo 3 5 8 9 11 11 11 11 10 7 5 4
Los Angeles 4 6 8 9 10 11 11 10 10 7 5 4
Shanghai 5 6 8 10 10 11 12 11 11 8 6 4
Auckland 14 14 10 7 4 3 3 5 7 10 11 13
Dubai 6 7 11 11 12 11 10 11 10 8 6 5
Sydney 14 13 11 8 5 3 4 6 8 10 12 14
San Juan 9 11 13 13 14 13 12 13 13 12 9 8
Mexico City 10 12 14 15 15 14 14 13 14 12 10 8
Jakarta 14 16 16 14 11 10 10 11 13 15 14 13