Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Pirae, French Polynesia, where the sun shines brightly throughout the year. With the tropical Af climate elevating UV exposure, knowing the daily UV levels can significantly contribute to sunburn prevention and long-term skin health. On sunny days, UV Index values can soar to a maximum of 10, indicating a very high risk of harm from unprotected sun exposure around midday. By staying informed about these levels, you can take the necessary precautions to enjoy the exquisite Pirae beaches safely while protecting your skin from the sun's harmful effects.
The UV Index fluctuates throughout the day, starting off mildly at 07:00 with a value of 1. As the sun rises higher, the intensity increases, reaching 2 by 08:00 and escalating sharply to 5 at 09:00. The peak UV intensity occurs around 12:00, hitting a maximum of 10, indicating the need for sun protection. After this peak, the index gradually declines, dipping to 9 by 13:00 and lowering further to 6 by 14:00. As afternoon fades into evening, UV exposure diminishes significantly, dropping to 3 by 15:00 and then back to 1 by 16:00, before finally reaching 0 by 18:00 and remaining at zero into the night. Stay safe while enjoying the sunshine!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels show significant seasonal variations, with the highest risk occurring from January to April where the index reaches extreme levels, peaking at 16 in January. This period requires heightened caution for both visitors and residents, as the burn time is only 10 minutes. As the months transition into May and June, the index drops but remains classified as very high, with a burn time extending to 15 minutes. September sees a return to extreme conditions, resembling those at the year's beginning. The high-risk months are thus January through April and September through October, with November and December also warranting caution due to extreme UV levels. Visitors and residents are advised to take preventative measures during these months, such as wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours to minimize the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pirae | 16 | 15 | 15 | 13 | 10 | 8 | 8 | 10 | 13 | 15 | 15 | 15 |
| Mahina UVI | 16 | 15 | 15 | 13 | 10 | 8 | 8 | 10 | 13 | 15 | 15 | 15 |
| Punaauia UVI | 16 | 15 | 15 | 13 | 10 | 8 | 8 | 10 | 13 | 15 | 15 | 15 |
| Papeete UVI | 16 | 15 | 15 | 13 | 10 | 8 | 8 | 10 | 13 | 15 | 15 | 15 |
| Faaa UVI | 16 | 15 | 15 | 13 | 10 | 8 | 8 | 10 | 13 | 15 | 15 | 15 |