UV Index in Hagatna, Guam
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 | 1 | 3 | 6 | 9 | 11 | 11 | 9 | 6 | 3 | 1 | 1 | 0 |
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| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low |
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| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min |
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UV Index throughout the year in Hagatna
UV Index (UVI) in Hagatna. 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 | 1 | 3 | 6 | 9 | 11 | 11 | 9 | 6 | 3 | 1 | 1 | 0 |
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| February | 1 | 2 | 4 | 7 | 11 | 13 | 13 | 10 | 7 | 4 | 1 | 1 | 0 |
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| March | 1 | 2 | 5 | 9 | 13 | 15 | 14 | 12 | 8 | 4 | 2 | 1 | 0 |
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| April | 1 | 3 | 6 | 10 | 14 | 15 | 15 | 12 | 8 | 4 | 2 | 1 | 0 |
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| May | 1 | 3 | 6 | 9 | 12 | 13 | 13 | 10 | 7 | 4 | 2 | 1 | 0 |
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| June | 1 | 3 | 6 | 9 | 12 | 14 | 13 | 10 | 7 | 4 | 2 | 1 | 0 |
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| July | 1 | 3 | 5 | 9 | 12 | 14 | 13 | 11 | 8 | 4 | 2 | 1 | 0 |
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| August | 1 | 2 | 5 | 9 | 13 | 14 | 14 | 11 | 7 | 4 | 2 | 1 | 0 |
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| September | 1 | 3 | 6 | 10 | 13 | 15 | 14 | 11 | 7 | 4 | 1 | 1 | 0 |
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| October | 1 | 2 | 5 | 9 | 12 | 13 | 12 | 9 | 6 | 3 | 1 | 1 | 0 |
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| November | 1 | 2 | 5 | 8 | 11 | 12 | 10 | 8 | 5 | 2 | 1 | 0 | 0 |
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| December | 1 | 2 | 4 | 7 | 9 | 11 | 10 | 8 | 5 | 2 | 1 | 0 | 0 |
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Compare Hagatna UV Index to other Guam cities
Compare Hagatna's UV Index to other cities in the world
Hagatna'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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| Hagatna | 11 | 13 | 15 | 15 | 13 | 14 | 14 | 14 | 15 | 13 | 12 | 11 |
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