UV Index in Kolonga, Tonga
Last updated: February 1, 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 | 4 | 8 | 12 | 15 | 15 | 14 | 10 | 6 | 3 | 1 | 1 |
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| Exposure | low | moderate | very high | extreme | very high | 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 Kolonga
UV Index (UVI) in Kolonga. 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 Kolonga UV Index to other Tonga cities
Kolonga'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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| Kolonga | 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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| Nuku'alofa | 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 Kolonga's UV Index to other cities in the world
Kolonga'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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| Kolonga | 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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