Last updated: May 3, 2025
In Saint-Etienne-du-Rouvray, understanding the UV Index is crucial for protecting your skin and overall health. With UV levels fluctuating throughout the day—peaking at a significant 8 in the early afternoon—awareness can be the key to preventing sunburn and long-term skin damage. This vibrant town, located in a Cfb climate zone, experiences varied weather patterns that can contribute to unexpected UV exposure. Whether you're enjoying outdoor activities or simply soaking up the sun, staying informed about UV levels is essential for maintaining your skin's health and safety.
As the sun rises, the UV Index gradually climbs, beginning at a mild 1 around 7:00 AM and 8:00 AM. By 9:00 AM, it nudges up to 2, creating a gentle warmth. The real action starts at 10:00 AM, when the index hits 3, and by midday, at 12:00 PM, it spikes to a steamy 7. The peak hours arrive between 1:00 PM and 2:00 PM with a maximum of 8, urging sun-seekers to take extra care. As the afternoon fades, the UV Index gradually recedes: 7 at 3:00 PM, 6 by 4:00 PM, and down to 2 by 7:00 PM. Ensure you’re protected during the peak, as the sun's influence intensifies before it begins to wane!
| 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 | 7 | high | 25 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, with high-risk months identified primarily from April to August, where the index peaks at an alarming 9 in June. During these months, the exposure category escalates to very high, resulting in a burn time of just 15 minutes for unprotected skin. In contrast, January, November, and December have low UV levels, making sun protection less critical, with burn times extending to 45 minutes. As such, it’s essential for both visitors and residents to stay vigilant during the peak months by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade, especially between 10 AM and 4 PM, when UV rays are strongest.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Saint-Etienne-du-Rouvray | 2 | 3 | 4 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |
| 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 |