Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Tsagaan-Ovoo, Mongolia, as it directly impacts skin health and sunburn prevention. With peak UV levels soaring to 10 during midday hours, awareness of these measurements can help safeguard your skin from harmful exposure. The city's BSk climate features dry and sunny conditions, contributing to increased UV intensity, especially in the summer months. By staying informed about the UV Index, you can enjoy the beautiful Mongolian landscapes while ensuring your well-being under the sun.
Today's UV Index presents an intriguing curve, starting the day with a mellow maximum of 1 at 07:00. As the sun climbs higher, things heat up quickly—by 10:00, the index reaches 6, and by 12:00, it peaks at an intense 10. This level remains steady until 14:00, urging sun enthusiasts to take precautions. As the afternoon fades, the UV Index gracefully tapers off, dropping to 4 by 17:00, and finally sinking back to a gentle 1 by 19:00. With mid-day UV levels soaring, it’s crucial to stay protected during those peak hours!
| 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 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences notable fluctuations, with significant increases from late winter to summer. January and December represent the lowest risk months, with UV Index values of 2, categorizing them as low exposure, allowing for 45 minutes of sun without protection. As spring transitions into summer, from March (Index 6) to June (Index 10), the risk grows substantially, peaking during the summer months of May through August, where the UV Index remains at a very high level of 10, necessitating protective measures after just 15 minutes of sun exposure. April marks the start of this high-risk period, with a very high exposure category and only 15 minutes till burn. In the fall, the UV Index decreases, but September still holds a high index of 7, allowing for 25 minutes of burn time. Visitors and residents should prioritize sun safety during the high-risk months from April to August by using sunscreen, wearing protective clothing, and seeking shade to minimize the risk of skin damage.
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 |
| Tsagaan-Ovoo | 2 | 3 | 6 | 9 | 10 | 10 | 10 | 10 | 7 | 5 | 3 | 2 |