UV Index in Nuku'alofa, Tonga
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 | 2 | 5 | 9 | 13 | 15 | 16 | 14 | 10 | 6 | 3 | 1 | 1 |
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| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | High | Moderate | Low |
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| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min |
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UV Index throughout the year in Nuku'alofa
UV Index (UVI) in Nuku'alofa. 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 | 2 | 5 | 9 | 13 | 15 | 16 | 14 | 10 | 6 | 3 | 1 | 1 |
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| February | 1 | 2 | 4 | 8 | 12 | 15 | 15 | 14 | 10 | 6 | 3 | 1 | 1 |
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| March | 1 | 2 | 4 | 8 | 11 | 14 | 14 | 13 | 9 | 6 | 3 | 1 | 0 |
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| April | 1 | 1 | 3 | 6 | 9 | 11 | 11 | 10 | 7 | 4 | 1 | 1 | 0 |
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| May | 1 | 1 | 2 | 5 | 7 | 9 | 9 | 7 | 5 | 2 | 1 | 1 | 0 |
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| June | 0 | 1 | 2 | 4 | 5 | 7 | 7 | 6 | 4 | 2 | 1 | 0 | 0 |
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| July | 0 | 1 | 2 | 4 | 6 | 8 | 8 | 7 | 5 | 2 | 1 | 1 | 0 |
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| August | 1 | 1 | 3 | 5 | 8 | 9 | 10 | 8 | 6 | 3 | 1 | 1 | 0 |
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| September | 1 | 2 | 4 | 7 | 10 | 11 | 11 | 9 | 6 | 3 | 1 | 1 | 0 |
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| October | 1 | 3 | 5 | 9 | 12 | 13 | 13 | 11 | 7 | 4 | 2 | 1 | 0 |
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| November | 1 | 3 | 6 | 10 | 13 | 15 | 14 | 12 | 8 | 5 | 2 | 1 | 0 |
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| December | 1 | 3 | 6 | 10 | 13 | 16 | 16 | 14 | 10 | 6 | 3 | 1 | 1 |
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Compare Nuku'alofa UV Index to other Tonga cities
Nuku'alofa's solar exposure compared to other cities in Tonga. Generated using Copernicus Atmosphere Monitoring Service information.| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Nuku'alofa | 16 | 15 | 14 | 11 | 9 | 7 | 8 | 10 | 11 | 13 | 15 | 16 |
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| Tatakamotonga | 16 | 15 | 14 | 11 | 9 | 7 | 8 | 10 | 11 | 13 | 15 | 16 |
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| Haveluloto | 16 | 15 | 14 | 11 | 9 | 7 | 8 | 10 | 11 | 13 | 15 | 16 |
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| Lapaha | 16 | 15 | 14 | 11 | 9 | 7 | 8 | 10 | 11 | 13 | 15 | 16 |
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| Neiafu | 16 | 16 | 15 | 12 | 9 | 7 | 8 | 11 | 12 | 14 | 15 | 16 |
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Compare Nuku'alofa's UV Index to other cities in the world
Nuku'alofa'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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| Nuku'alofa | 16 | 15 | 14 | 11 | 9 | 7 | 8 | 10 | 11 | 13 | 15 | 16 |
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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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