Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Hoshoot, Mongolia, where the unique ET climate presents a distinct set of sun exposure challenges. As UV levels can peak around midday, knowing these changes helps in crucial sunburn prevention and maintaining skin health. With UV Index values reaching as high as 10 in the afternoon, it’s essential to recognize the associated risks and take proper precautions. By staying informed about daily UV fluctuations, you can enjoy the beautiful Mongolian landscape while protecting your skin from harmful effects.
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 reflects significant seasonal variations in sun exposure risk. From January to February, the UV Index starts low at 2 and climbs to 3, indicating a shift from low to moderate exposure, with burn times decreasing from 45 to 30 minutes. March and April see a rise to high levels, with indices of 6 and 7, respectively, where burn time drops to just 25 minutes. May through August presents the highest risk, maintaining a very high index of 10 in May and June, and 9 in July and August, where visitors should be especially cautious, as burn times shorten to 15 minutes. As summer wanes into September, the index reduces to 7 before dropping further in October to a moderate 5. The UV levels remain low in November and December at 2 and 1, allowing for 45 minutes of burn time under safer conditions. Visitors and residents are advised to take extra precautions during the high-risk months of May through August, by using sunscreen, wearing protective clothing, and seeking shade during peak sun hours.
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 |
| Hoshoot | 2 | 3 | 6 | 7 | 10 | 10 | 9 | 9 | 7 | 5 | 2 | 1 |
| Khovd UVI | 2 | 3 | 6 | 7 | 10 | 10 | 9 | 9 | 7 | 5 | 2 | 1 |