Last updated: July 2, 2025
In Pangai, Tonga, understanding the UV Index is crucial for maintaining healthy skin and preventing sunburn. The region's tropical climate means that UV levels can reach their peak, especially around midday, posing significant risks to your skin health. With maximum UV Index values reaching 8 between noon and 1 PM, it's essential to stay informed and take protective measures. By being aware of UV levels, residents and visitors can enjoy the beautiful sun-soaked days while safeguarding their skin from harmful rays.
At dawn, the UV Index starts at a cool 0 at 07:00, indicating minimal sun exposure risk. As the day unfolds, it slowly rises, reaching 1 by 08:00 and climbing to 2 by 09:00. The sun gains strength, peaking at 8 from 12:00 to 13:00—be sure to wear sunscreen during these hours! A gradual decline follows, with the index dropping to 7 at 14:00, then tapering off to 5 by 15:00. By late afternoon, the UV Index decreases further, sinking to 3 at 16:00, before returning to 1 by 17:00 and settling back at 0 as night falls at 19:00. This hourly trend underscores the importance of protecting your skin when the sun is at its zenith!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 0 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 2 | low | 45 min |
10:00 | 4 | moderate | 30 min |
11:00 | 6 | high | 25 min |
12:00 | 8 | very high | 15 min |
13:00 | 8 | very high | 15 min |
14:00 | 7 | high | 25 min |
15:00 | 5 | moderate | 30 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index experiences significant seasonal fluctuations throughout the year, with extreme levels persisting from January to April and September to November, where the burn time is notably short at just 10 minutes. The high-risk months are from January to April and September to November, when the UV Index remains at 12 or above, indicating a heightened risk of skin damage. In contrast, May to August sees a decrease in UV intensity, with May registering a very high index at 9, and July peaking at 15 again. Residents and visitors are advised to take precautionary measures during high-risk months by using sunscreen, wearing protective clothing, and minimizing sun exposure, especially during peak hours, to ensure skin safety and overall health.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Tatakamotonga UVI | 16 | 15 | 14 | 11 | 9 | 7 | 8 | 10 | 11 | 13 | 15 | 16 |
Haveluloto UVI | 16 | 15 | 14 | 11 | 9 | 7 | 8 | 10 | 11 | 13 | 15 | 16 |
Lapaha UVI | 16 | 15 | 14 | 11 | 9 | 7 | 8 | 10 | 11 | 13 | 15 | 16 |
Nuku'alofa UVI | 16 | 15 | 14 | 11 | 9 | 7 | 8 | 10 | 11 | 13 | 15 | 16 |
Pangai | 16 | 15 | 15 | 12 | 9 | 7 | 8 | 10 | 12 | 14 | 15 | 16 |
Neiafu UVI | 16 | 16 | 15 | 12 | 9 | 7 | 8 | 11 | 12 | 14 | 15 | 16 |