Last updated: July 2, 2025
Understanding the UV Index in Courtillers, France, is crucial for safeguarding your skin and overall health. With peak UV levels reaching a significant 9 in the early afternoon, awareness of these daily fluctuations can help prevent sunburn and reduce the long-term risks associated with sun exposure. Courtillers experiences a mild maritime climate (Cfb), which, despite its temperate conditions, can still expose residents to harmful UV radiation, especially during the summer months. Stay informed about the UV Index to ensure a safer outdoor experience while enjoying the beautiful surroundings of your community.
The UV Index for the day reflects a dynamic rise in solar intensity as we move toward midday, peaking at 9 between 1:00 PM and 2:00 PM. Starting off gently, the day begins with a low UV rate of 1 at both 7:00 AM and 8:00 AM, making it safe for early morning activities. As the sun climbs higher, we see a steady increase, hitting 4 by 10:00 AM and reaching 5 at 11:00 AM. By noon, the UV Index escalates to 7, signaling that sun protection is becoming increasingly crucial. Post-peak hours show a gradual decline, with readings at 8 and 7 for 3:00 PM and 4:00 PM, respectively, before tapering off to a more moderate 2 by 7:00 PM. Therefore, it’s essential to stay vigilant during peak hours to safeguard against harmful UV exposure!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, UV exposure fluctuates significantly, with the highest risk months occurring from May to August, when the UV Index reaches levels categorized as very high (UV Index 8-9). During these months, the burn time drastically decreases to just 15 minutes, emphasizing the need for protection. Conversely, the low risk months of January, November, and December offer a safer environment with a UV Index of 2 and a burn time of 45 minutes. As such, visitors and residents should be particularly vigilant during peak summer months by wearing sunscreen, protective clothing, and seeking shade during peak sun hours, while enjoying the milder winter months with less concern for UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Paris UVI | 2 | 3 | 5 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |
| Courtillers | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 2 |
| Lyon UVI | 2 | 3 | 5 | 6 | 8 | 10 | 9 | 8 | 6 | 5 | 3 | 2 |
| Nice UVI | 2 | 4 | 6 | 7 | 8 | 10 | 9 | 8 | 7 | 5 | 3 | 2 |
| Marseille UVI | 2 | 4 | 5 | 7 | 9 | 10 | 9 | 8 | 7 | 5 | 3 | 2 |
| Toulouse UVI | 2 | 4 | 6 | 7 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |