UV Index in San Juan, Peru
Last updated: January 2, 2025
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 |
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| UVI | 1 | 3 | 6 | 10 | 14 | 15 | 14 | 11 | 7 | 3 | 1 | 1 | 0 |
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| Exposure | Low | Moderate | High | VeryHigh | Extreme | High | Moderate | Low |
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| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 25 min | 30 min | 45 min |
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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 |
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| January | 1 | 3 | 6 | 10 | 14 | 15 | 14 | 11 | 7 | 3 | 1 | 1 | 0 |
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| February | 1 | 3 | 7 | 11 | 14 | 16 | 15 | 11 | 7 | 3 | 1 | 1 | 0 |
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| March | 1 | 4 | 8 | 12 | 15 | 17 | 15 | 11 | 7 | 3 | 1 | 1 | 0 |
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| April | 1 | 4 | 7 | 12 | 15 | 16 | 14 | 11 | 6 | 3 | 1 | 0 | 0 |
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| May | 1 | 3 | 7 | 10 | 13 | 13 | 12 | 9 | 5 | 2 | 1 | 0 | 0 |
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| June | 1 | 3 | 6 | 9 | 11 | 12 | 11 | 8 | 4 | 2 | 1 | 0 | 0 |
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| July | 1 | 2 | 5 | 8 | 11 | 11 | 10 | 8 | 5 | 2 | 1 | 0 | 0 |
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| August | 1 | 3 | 6 | 9 | 12 | 12 | 11 | 8 | 5 | 2 | 1 | 0 | 0 |
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| September | 1 | 3 | 7 | 10 | 13 | 13 | 12 | 9 | 5 | 2 | 1 | 0 | 0 |
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| October | 2 | 4 | 8 | 11 | 14 | 14 | 12 | 9 | 5 | 2 | 1 | 0 | 0 |
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| November | 2 | 4 | 7 | 11 | 13 | 13 | 11 | 8 | 5 | 2 | 1 | 0 | 0 |
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| December | 1 | 3 | 6 | 10 | 12 | 13 | 11 | 8 | 5 | 2 | 1 | 0 | 0 |
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Compare San Juan UV Index to other Peru cities
San Juan's solar exposure compared to other cities in Peru. Generated using Copernicus Atmosphere Monitoring Service information.| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Callao | 14 | 14 | 14 | 12 | 10 | 9 | 10 | 11 | 12 | 13 | 14 | 13 |
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| Lima | 14 | 14 | 14 | 12 | 10 | 9 | 10 | 11 | 12 | 13 | 14 | 13 |
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| Trujillo | 15 | 15 | 15 | 14 | 12 | 11 | 11 | 11 | 13 | 14 | 14 | 14 |
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| Chiclayo | 14 | 15 | 15 | 14 | 13 | 11 | 11 | 12 | 15 | 14 | 14 | 13 |
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| San Juan | 15 | 16 | 17 | 16 | 13 | 12 | 11 | 12 | 13 | 14 | 13 | 13 |
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| Arequipa | 18 | 17 | 17 | 15 | 12 | 10 | 11 | 13 | 15 | 17 | 18 | 17 |
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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 |
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| Oslo | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
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| Berlin | 1 | 2 | 4 | 5 | 7 | 8 | 7 | 7 | 5 | 3 | 2 | 1 |
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| London | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
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| Toronto | 2 | 4 | 5 | 8 | 9 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
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| New York City | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
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| Athens | 3 | 4 | 6 | 8 | 10 | 10 | 10 | 10 | 8 | 7 | 4 | 3 |
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| Tokyo | 3 | 5 | 8 | 9 | 11 | 11 | 11 | 11 | 10 | 7 | 5 | 4 |
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| Los Angeles | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
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| Shanghai | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 11 | 8 | 6 | 4 |
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| Auckland | 14 | 14 | 10 | 7 | 4 | 3 | 3 | 5 | 7 | 10 | 11 | 13 |
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| Dubai | 6 | 7 | 11 | 11 | 12 | 11 | 10 | 11 | 10 | 8 | 6 | 5 |
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| Sydney | 14 | 13 | 11 | 8 | 5 | 3 | 4 | 6 | 8 | 10 | 12 | 14 |
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| Miami | 6 | 9 | 10 | 12 | 12 | 13 | 12 | 12 | 11 | 10 | 8 | 6 |
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| Mexico City | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 10 | 8 |
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| Jakarta | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
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| San Juan | 15 | 16 | 17 | 16 | 13 | 12 | 11 | 12 | 13 | 14 | 13 | 13 |
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