Last updated: June 2, 2025
Understanding the UV Index is essential for residents and visitors of Ruza, Russian Federation, to ensure skin health and prevent sunburn. As a city located in a Dfb climate zone, Ruza experiences varying levels of UV exposure throughout the day, peaking at 7 in the early afternoon. Being aware of these levels helps you protect your skin from harmful rays, especially during the warmer months when UV radiation can be particularly intense. With proper vigilance, you can enjoy the sun while safeguarding your health—so keep an eye on the UV Index when planning your outdoor activities!
The UV Index throughout the day paints a vivid picture of sun exposure potential. Starting at a gentle 2 at 07:00, it gradually climbs to 3 by 08:00. As the sun rises higher, the index reaches 4 at 09:00, peaking at a robust 7 from 11:00 to 14:00. During this midday window, sun safety becomes crucial. As the afternoon unfolds, the index dips back to 5 at 15:00, then gently decreases to 4 at 16:00. By 18:00, it returns to a lower 2, and the day winds down with a mild 1 at 19:00. Staying mindful of these UV levels can help ensure a safe and enjoyable day outdoors!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, seasonal UV changes reveal significant fluctuations in the UV Index, influencing how individuals should protect their skin from harmful sun exposure. The high-risk months for UV radiation are primarily from May to August, where the UV Index peaks at 6 to 7, indicating a high level of exposure risk with a burn time of just 25 minutes. In contrast, the winter months from November to February exhibit low UV levels (1 to 2), allowing for longer burn times of up to 45 minutes. Residents and visitors are advised to take extra precautions during the high-risk months by wearing sunscreen, protective clothing, and seeking shade when outdoors, to minimize the risk of sunburn and long-term skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Saint Petersburg UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Nizhniy Novgorod UVI | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 1 | 1 |
| Yekaterinburg UVI | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 1 | 1 |
| Moscow UVI | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Novosibirsk UVI | 1 | 2 | 4 | 5 | 7 | 7 | 6 | 6 | 5 | 3 | 1 | 1 |
| Ruza | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |