Last updated: May 3, 2025
In the tropical paradise of Koumac, New Caledonia, understanding the UV Index is crucial for safeguarding your skin health and preventing sunburn. As this charming coastal town basks in sunshine, the UV levels can soar, particularly during midday hours, reaching a peak of 9 around noon. Being aware of these fluctuations helps locals and visitors alike make informed decisions about sun protection, enabling you to enjoy Koumac's stunning beaches and outdoor activities safely. With the unique climate characteristics of the area, it’s vital to stay informed about UV exposure risks to preserve your skin while basking in this beautiful setting.
The UV Index data for today reveals a steady climb in ultraviolet exposure as the sun rises. Starting at a mild 1 at 07:00, the index escalates to 2 by 08:00, before witnessing a significant jump to 4 at 09:00. The peak occurs around 12:00, where it reaches 9—a strong signal to take protective measures against sun damage. After this midday high, the UV Index begins to drop, descending to 6 at 14:00, before dwindling further to 3 by 15:00. The evening hours bring a dramatic decline, with 1 at 16:00 and tapering off to 0 by 19:00. This data highlights the importance of sun safety during peak hours, particularly between 11:00 and 13:00.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | 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 |
The UV Index data reveals significant seasonal fluctuations in UV radiation, with the highest levels observed during the winter and early spring months (January to March) at an alarming 16, classified as extreme, where the burn time is only 10 minutes. Notably, November and December also exhibit an extreme index of 15. April, while slightly lower at 12, still falls within the extreme category, warranting caution. As the year progresses into summer, UV levels decrease slightly, with June at 7 (high), July at 8 (very high), and August peaking again at 10 (very high). September and October mark a return to extreme levels, with indices of 12 and 13, respectively. Residents and visitors, particularly in high-risk months from January to April and again in September to November, should take precautionary measures to minimize exposure: wearing protective clothing, using broad-spectrum sunscreen, and seeking shade during peak sun hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Paita UVI | 16 | 16 | 15 | 12 | 8 | 6 | 7 | 10 | 11 | 13 | 14 | 16 |
| Dumbea UVI | 16 | 16 | 15 | 12 | 8 | 6 | 7 | 10 | 11 | 13 | 14 | 16 |
| Mont-Dore UVI | 16 | 16 | 15 | 12 | 8 | 6 | 7 | 10 | 11 | 13 | 14 | 16 |
| Noumea UVI | 16 | 16 | 15 | 12 | 8 | 6 | 7 | 10 | 11 | 13 | 14 | 16 |
| We UVI | 15 | 16 | 16 | 12 | 9 | 7 | 8 | 10 | 12 | 13 | 14 | 15 |
| Koumac | 16 | 16 | 15 | 12 | 9 | 7 | 8 | 10 | 12 | 13 | 15 | 15 |