Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Atuona, French Polynesia. As a region with an Af climate, the sun can be both a source of enjoyment and a potential risk. Knowing the UV levels throughout the day is essential for preventing sunburn and promoting skin health. With maximum UV Index values reaching up to 10 during midday, the risks of prolonged exposure are significant, making it vital to take precautions. By staying informed about local UV conditions, you can safely enjoy the beautiful outdoor experiences that Atuona has to offer while protecting your skin from harmful ultraviolet rays.
The UV Index reveals a significant morning to afternoon rise in solar intensity, peaking at a striking 10 between 11:00 AM and 12:00 PM. Starting from a modest 2 at 7:00 AM, the index climbs steadily, reaching 6 by 9:00 AM and hitting 9 at 10:00 AM. As the sun reaches its zenith, the UVI holds steady at 10, highlighting a period when sun protection becomes crucial. By 1:00 PM, the index begins its gradual decline, dropping to 8, and easing further to 5 by 2:00 PM. As the day progresses into the late afternoon and evening, the UV Index decreases significantly, falling to 1 by 4:00 PM and dipping to 0 by 6:00 PM. This data underscores the importance of being sun-smart during the peak hours of 11:00 AM to 1:00 PM.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 5 | moderate | 30 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 in this region demonstrate significant seasonal variation, peaking during the early months. From January to March, the UV Index remains at a critical level of 15, categorized as extreme, with a minimal burn time of just 10 minutes. April sees a slight decrease to 14, but it remains in the extreme category, and this trend continues with a UV Index of 12 in May. As summer approaches, the index lowers to 10 in June and July, classified as very high, before rising to 12 in August. September to November maintains a high UV exposure, oscillating between 14 and 15, while December returns to 14. Visitors and residents should be especially cautious during the high-risk months from January to March, and August to October. It is advisable to apply sunscreen, wear protective clothing, and limit sun exposure during peak hours to minimize the chances of sunburn and skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mahina UVI | 16 | 15 | 15 | 13 | 10 | 8 | 8 | 10 | 13 | 15 | 15 | 15 |
| Pirae 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 |
| Atuona | 15 | 15 | 15 | 14 | 12 | 10 | 10 | 12 | 14 | 14 | 14 | 14 |