Last updated: July 2, 2025
In Buyant, Mongolia, understanding the UV Index is crucial for safeguarding your skin and overall health. With the region's BSk climate characterized by dry summers and high altitudes, UV exposure can quickly escalate throughout the day, peaking at a formidable level of 10 around midday. Awareness of UV levels not only aids in preventing sunburn but also minimizes the long-term risks associated with skin damage. As sunlight intensifies during the summer months, staying informed about UV Index readings is essential for both outdoor enthusiasts and daily commuters alike, ensuring that everyone can enjoy the beautiful, sunlit days while protecting their skin health.
From 07:00 to 08:00, the UV Index starts off mild with a maximum of 1 to 2, making it a safe time for early outdoor activities. As the sun climbs higher, the UV levels rise sharply, reaching 4 by 09:00 and hitting 6 by 10:00. The intensity peaks at 13:00 with a significant 10, indicating high exposure risk, perfect for applying sunscreen and seeking shade. As we move into the afternoon, levels gradually decrease, tapering to 9 by 14:00 and falling back to a more manageable 4 by 17:00. By evening, UV levels drop to 2 at 18:00 and retreat to 1 by 19:00, marking a safe return for those looking to enjoy twilight outdoors. Remember, it's essential to stay vigilant 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 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | 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 shows significant seasonal variations that impact sun exposure risk. January and December have the lowest UV levels (Index 2), classified as low risk, allowing for longer safe exposure times of 45 minutes. As we move into February and March, UV levels begin to increase, reaching a moderate level (Index 3) and transitioning to high (Index 7) in March, with burn times decreasing to 30 minutes and 25 minutes, respectively. The high-risk months peak from April to August, where UV Index values consistently hit very high (9-10), necessitating urgent caution with burn times dropping to just 15 minutes. As summer fades into September and October, UV levels decrease, returning to moderate levels in the fall. November sees a slight rise before hitting low levels again in December. Visitors and residents are advised to take extra precautions during high-risk months, including seeking shade, wearing protective clothing, and using sunblock.
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 |
| Buyant | 2 | 3 | 7 | 9 | 10 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |