Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors in Tsetsegnuur, Mongolia, as it directly impacts skin health and sunburn prevention. With its BSk climate, Tsetsegnuur experiences significant UV exposure, particularly during midday hours when the index peaks at 10 around noon. Being aware of these levels not only aids in protecting your skin but also encourages safe outdoor activities. As you plan your day, keep in mind that UV rays can be deceptively strong, especially between 10 AM and 2 PM—so arm yourself with knowledge and stay safe under the sun!
The UVI hourly data reveals a distinct pattern throughout the day, showcasing the intensity of ultraviolet radiation. Starting at a mild 1 at 07:00, the UV Index climbs steadily, peaking at a maximum of 10 around noon. This signifies a peak exposure period, making it crucial to take protective measures such as wearing sunscreen or seeking shade. After the zenith at 12:00 and 13:00, the index gradually declines, dropping to 3 by the evening. As the day draws to a close, the UV levels return to a gentle 1 by 19:00. Be mindful of these fluctuations to enjoy sunny days safely!
| 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 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels exhibit significant seasonal variations that highlight periods of heightened sun exposure risk. From March to August, the UV Index reaches its peak, especially in May and June, where it remains at an extreme level of 11, resulting in a short burn time of just 10 minutes. April also presents a challenge with a very high index of 8. Consequently, May to July are considered high-risk months for sunburn and skin damage. Residents and visitors are strongly advised to take precautions during these times, such as wearing protective clothing, applying sunscreen, and limiting direct sun exposure, especially between 10 a.m. and 4 p.m. In contrast, from November to February, the risk decreases significantly, with UV levels categorized as low to moderate, allowing for safer outdoor activities with minimal protection necessary.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Darhan UVI | 1 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |
| Erdenet UVI | 2 | 3 | 5 | 7 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |
| Ulan Bator UVI | 2 | 3 | 5 | 7 | 9 | 9 | 9 | 9 | 6 | 4 | 3 | 1 |
| OElgii UVI | 2 | 3 | 5 | 7 | 10 | 9 | 9 | 9 | 7 | 5 | 2 | 1 |
| Khovd UVI | 2 | 3 | 6 | 7 | 10 | 10 | 9 | 9 | 7 | 5 | 2 | 1 |
| Tsetsegnuur | 2 | 4 | 6 | 8 | 11 | 11 | 10 | 10 | 7 | 5 | 3 | 2 |