UV Index in Horana South, Sri Lanka
Last updated: March 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 | 2 | 4 | 8 | 11 | 14 | 14 | 12 | 8 | 5 | 2 | 1 | 0 | 0 |
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| Exposure | low | moderate | very high | extreme | very high | moderate | low |
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| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 30 min | 45 min |
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UV Index throughout the year in Horana South
UV Index (UVI) in Horana South. 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 | 3 | 6 | 9 | 11 | 11 | 10 | 7 | 4 | 2 | 1 | 0 | 0 |
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| February | 1 | 3 | 7 | 10 | 13 | 13 | 12 | 9 | 5 | 2 | 1 | 0 | 0 |
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| March | 2 | 4 | 8 | 11 | 14 | 14 | 12 | 8 | 5 | 2 | 1 | 0 | 0 |
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| April | 2 | 5 | 8 | 12 | 15 | 15 | 12 | 9 | 5 | 2 | 1 | 0 | 0 |
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| May | 2 | 5 | 8 | 12 | 14 | 14 | 12 | 8 | 5 | 2 | 1 | 0 | 0 |
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| June | 2 | 4 | 7 | 10 | 12 | 12 | 10 | 7 | 4 | 2 | 1 | 0 | 0 |
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| July | 2 | 4 | 7 | 10 | 12 | 13 | 11 | 8 | 4 | 2 | 1 | 0 | 0 |
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| August | 2 | 4 | 8 | 11 | 13 | 14 | 11 | 8 | 5 | 2 | 1 | 0 | 0 |
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| September | 2 | 4 | 8 | 12 | 14 | 14 | 12 | 8 | 5 | 2 | 1 | 0 | 0 |
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| October | 2 | 4 | 8 | 11 | 13 | 12 | 10 | 7 | 3 | 1 | 1 | 0 | 0 |
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| November | 2 | 4 | 7 | 10 | 11 | 11 | 8 | 5 | 3 | 1 | 1 | 0 | 0 |
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| December | 1 | 3 | 6 | 9 | 10 | 10 | 9 | 6 | 3 | 1 | 1 | 0 | 0 |
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Compare Horana South UV Index to other Sri Lanka cities
Horana South's solar exposure compared to other cities in Sri Lanka. Generated using Copernicus Atmosphere Monitoring Service information.| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Jaffna | 11 | 13 | 14 | 15 | 13 | 12 | 13 | 13 | 14 | 12 | 11 | 10 |
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| Horana South | 11 | 13 | 14 | 15 | 14 | 12 | 13 | 14 | 14 | 13 | 11 | 10 |
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| Moratuwa | 11 | 13 | 14 | 15 | 14 | 12 | 13 | 14 | 14 | 13 | 11 | 10 |
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| Maharagama | 11 | 13 | 14 | 15 | 14 | 12 | 13 | 14 | 14 | 13 | 11 | 10 |
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| Dehiwala-Mount Lavinia | 12 | 13 | 14 | 15 | 14 | 12 | 13 | 14 | 14 | 13 | 11 | 10 |
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| Colombo | 12 | 14 | 14 | 15 | 14 | 13 | 13 | 13 | 14 | 13 | 11 | 10 |
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Compare Horana South's UV Index to other cities in the world
Horana South'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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| Horana South | 11 | 13 | 14 | 15 | 14 | 12 | 13 | 14 | 14 | 13 | 11 | 10 |
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| Jakarta | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
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