Last updated: July 2, 2025
In Port-aux-Francais, situated in the remote French Southern Territories, awareness of the UV Index is crucial for residents and visitors alike. Understanding UV levels is vital not just for preventing painful sunburns but also for protecting long-term skin health amidst the region's unique climate. With its ET climate zone, Port-aux-Francais typically sees lower UV exposure, peaking at a maximum of 2 between 12:00 PM and 1:00 PM, which still warrants caution. Staying informed about these UV levels can help you enjoy the outdoors safely while minimizing risks to your skin.
At 07:00 AM, the UV Index starts at a low 0, indicating safe conditions to be outdoors. As the morning progresses, from 08:00 to 10:00, it remains steady at 1, suggesting minimal risk for sun exposure. The index reaches 2 at 12:00 PM and 1:00 PM, signaling a moderate level of UV radiation that warrants some sun protection, particularly during peak hours. However, as the afternoon transitions into evening, the UV Index dips back down to 1 by 02:00 PM and falls to 0 by 05:00 PM, offering a reprieve as the sun sets. Overall, it's a day of relatively low UV exposure, with only brief periods requiring caution under the sun.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 1 | low | 45 min |
| 11:00 | 1 | low | 45 min |
| 12:00 | 2 | low | 45 min |
| 13:00 | 2 | low | 45 min |
| 14:00 | 1 | low | 45 min |
| 15:00 | 1 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 0 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal variations, with the highest levels occurring in winter and early spring. January starts the year with an extreme UV Index of 11, leading to a burn time of just 10 minutes. This intensity drops slightly in February (UV Index 9, 15 minutes) and peaks again in November (UV Index 9, 15 minutes). March sees a high UV Index of 7 (25 minutes), highlighting the transition to increasing sunlight. As spring progresses, UV levels decline through April (UV Index 4, 30 minutes) and remain low during May and June (UV Index 2 and 1, 45 minutes). Conditions rise again in August (UV Index 3, 30 minutes) and October (UV Index 7, 25 minutes), marking moderate risk months. December sees another spike to extreme levels (UV Index 12, 10 minutes). For high-risk months—particularly January, February, March, and November—visitors and residents are advised to take extra precautions, such as using high-SPF sunscreen, wearing protective clothing, and seeking shade to minimize UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Port-aux-Francais | 11 | 9 | 7 | 4 | 2 | 1 | 1 | 3 | 5 | 7 | 9 | 12 |