Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors of Arreau, France, especially given the town's Cfb climate, which brings varied sun exposure throughout the year. With peak UV levels reaching a high of 10 in the early afternoon, awareness of these figures is essential to prevent sunburn and protect skin health. Knowledge of UV levels enables you to take proactive measures when enjoying the beautiful surroundings of Arreau, minimizing risks associated with overexposure to the sun while maximizing your outdoor experiences. Stay informed to safeguard your skin and enjoy the sun safely!
As the sun rises, the UV Index begins at a mild 1 at 7:00 AM, providing a gentle start to the day. By 9:00 AM, it increases to a moderate 2, signaling a gradual build-up of UV radiation. The intensity peaks dramatically at 12:00 PM with an 8, and continues to soar, hitting a maximum of 10 at 1:00 PM and 2:00 PM. As the afternoon progresses, the UV Index starts to decline, dropping to 9 by 3:00 PM and tapering off to 6 at 5:00 PM. Finally, as the sun sets, the UV Index decreases to a benign 2 by 7:00 PM, illustrating the day’s dynamic UV exposure. Remember to protect your skin during those peak hours!
| 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 | 3 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | 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, seasonal changes in UV exposure highlight significant fluctuations in the UV Index. The months of May through August are particularly high-risk, with UV Index values reaching a peak of 10, indicating very high exposure and a burn time of only 15 minutes. Visitors and residents should remain vigilant during these months, employing protective measures such as sunscreen and clothing, especially between 10 AM and 4 PM when UV exposure is strongest. March and April also show increased risk with UV Index values of 6 and 7 respectively. Conversely, January and December present lower risk levels, with UV Index values of 2 indicating low exposure and longer potential burn times of 45 minutes. It is essential to monitor UV levels year-round and adjust sun protection strategies accordingly to ensure safety.
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 |
| 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 |
| Arreau | 2 | 4 | 6 | 7 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |