UV Index in Karatsu, Japan
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 | 1 | 2 | 3 | 5 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | 0 |
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| Exposure | low | moderate | high | moderate | low |
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| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min |
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UV Index throughout the year in Karatsu
UV Index (UVI) in Karatsu. 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 | 0 | 1 | 1 | 2 | 3 | 4 | 4 | 3 | 2 | 1 | 1 | 0 | 0 |
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| February | 1 | 1 | 2 | 3 | 5 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | 0 |
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| March | 1 | 2 | 3 | 5 | 7 | 8 | 7 | 6 | 4 | 2 | 1 | 1 | 0 |
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| April | 1 | 2 | 5 | 7 | 9 | 10 | 10 | 8 | 6 | 3 | 1 | 1 | 0 |
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| May | 1 | 3 | 5 | 8 | 10 | 11 | 10 | 8 | 6 | 4 | 2 | 1 | 1 |
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| June | 2 | 3 | 5 | 8 | 10 | 11 | 11 | 9 | 7 | 4 | 2 | 1 | 1 |
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| July | 1 | 3 | 5 | 8 | 11 | 12 | 12 | 10 | 7 | 4 | 2 | 1 | 1 |
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| August | 1 | 3 | 5 | 8 | 10 | 11 | 11 | 10 | 7 | 4 | 2 | 1 | 1 |
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| September | 1 | 2 | 5 | 7 | 10 | 11 | 10 | 8 | 5 | 3 | 1 | 1 | 0 |
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| October | 1 | 2 | 3 | 5 | 7 | 7 | 7 | 5 | 3 | 2 | 1 | 0 | 0 |
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| November | 1 | 1 | 2 | 4 | 5 | 6 | 5 | 4 | 2 | 1 | 1 | 0 | 0 |
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| December | 0 | 1 | 1 | 2 | 3 | 4 | 3 | 2 | 2 | 1 | 1 | 0 | 0 |
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Compare Karatsu UV Index to other Japan cities
Karatsu's solar exposure compared to other cities in Japan. Generated using Copernicus Atmosphere Monitoring Service information.| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Sapporo | 2 | 3 | 6 | 7 | 9 | 9 | 9 | 10 | 8 | 5 | 3 | 2 |
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| Yokohama | 3 | 5 | 8 | 9 | 11 | 11 | 11 | 11 | 10 | 7 | 5 | 4 |
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| Tokyo | 3 | 5 | 8 | 9 | 11 | 11 | 11 | 11 | 10 | 7 | 5 | 4 |
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| Nagoya | 4 | 6 | 8 | 10 | 11 | 11 | 11 | 11 | 10 | 7 | 5 | 3 |
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| Osaka | 4 | 6 | 8 | 11 | 11 | 11 | 12 | 11 | 10 | 7 | 5 | 3 |
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| Karatsu | 4 | 6 | 8 | 10 | 11 | 11 | 12 | 12 | 11 | 7 | 6 | 4 |
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Compare Karatsu's UV Index to other cities in the world
Karatsu'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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| Karatsu | 4 | 6 | 8 | 10 | 11 | 11 | 12 | 12 | 11 | 7 | 6 | 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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