UV Index in Castelo do Piaui, Brazil
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 | 2 | 4 | 7 | 11 | 14 | 14 | 13 | 10 | 6 | 3 | 1 | 0 | 0 |
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| Exposure | Low | Moderate | High | Extreme | VeryHigh | High | Moderate | Low |
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| Time to burn | 45 min | 30 min | 25 min | 10 min | 15 min | 25 min | 30 min | 45 min |
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UV Index throughout the year in Castelo do Piaui
UV Index (UVI) in Castelo do Piaui. 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 | 2 | 4 | 7 | 11 | 14 | 14 | 13 | 10 | 6 | 3 | 1 | 0 | 0 |
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| February | 1 | 3 | 7 | 10 | 13 | 14 | 13 | 10 | 6 | 3 | 1 | 0 | 0 |
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| March | 1 | 4 | 7 | 12 | 15 | 15 | 14 | 10 | 6 | 3 | 1 | 0 | 0 |
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| April | 1 | 4 | 7 | 11 | 14 | 15 | 13 | 9 | 5 | 2 | 1 | 0 | 0 |
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| May | 1 | 3 | 7 | 10 | 12 | 13 | 11 | 8 | 4 | 2 | 1 | 0 | 0 |
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| June | 1 | 3 | 6 | 9 | 11 | 11 | 10 | 7 | 4 | 2 | 1 | 0 | 0 |
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| July | 1 | 3 | 5 | 9 | 11 | 11 | 10 | 7 | 4 | 2 | 1 | 0 | 0 |
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| August | 1 | 3 | 6 | 10 | 12 | 13 | 11 | 8 | 4 | 2 | 1 | 0 | 0 |
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| September | 2 | 4 | 7 | 11 | 13 | 13 | 11 | 8 | 4 | 2 | 1 | 0 | 0 |
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| October | 2 | 4 | 8 | 11 | 13 | 13 | 11 | 7 | 4 | 2 | 1 | 0 | 0 |
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| November | 2 | 5 | 8 | 12 | 14 | 14 | 11 | 8 | 4 | 2 | 1 | 0 | 0 |
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| December | 2 | 4 | 8 | 11 | 14 | 14 | 12 | 8 | 5 | 2 | 1 | 0 | 0 |
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Compare Castelo do Piaui UV Index to other Brazil cities
Castelo do Piaui's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Rio de Janeiro | 15 | 14 | 13 | 10 | 7 | 6 | 7 | 9 | 11 | 12 | 13 | 15 |
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| Sao Paulo | 16 | 15 | 12 | 11 | 8 | 6 | 7 | 9 | 11 | 13 | 14 | 15 |
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| Belo Horizonte | 17 | 16 | 14 | 12 | 9 | 7 | 8 | 10 | 12 | 13 | 14 | 16 |
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| Salvador | 14 | 14 | 14 | 13 | 10 | 9 | 9 | 12 | 12 | 15 | 15 | 14 |
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| Fortaleza | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |
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| Castelo do Piaui | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 13 | 13 | 13 | 14 | 14 |
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Compare Castelo do Piaui's UV Index to other cities in the world
Castelo do Piaui'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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| Castelo do Piaui | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 13 | 13 | 13 | 14 | 14 |
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