Last updated: July 2, 2025
In Tsahir, Mongolia, being aware of the UV Index is crucial for safeguarding your skin against potential harm. Understanding UV levels not only aids in preventing sunburn but also plays a vital role in maintaining overall skin health. Tsahir's Dwc climate brings a unique set of UV exposure challenges, with peak indices soaring to 10 during midday—indicating a high risk for skin damage. Staying informed about these levels empowers residents and visitors alike to enjoy the sunny days while taking the necessary precautions against harmful UV radiation.
As the sun rises, the UV Index begins to climb steadily throughout the morning, starting from a low of 1 at 07:00. By 09:00, it reaches 3, but the real surge occurs between 10:00 and 14:00, when it peaks at a remarkable 10. This indicates a high risk of harm from unprotected sun exposure. After 14:00, the intensity begins to wane, dipping to 8 at 15:00 and gradually decreasing to 3 by 18:00. As the day winds down, the UV Index falls back to a safe 1 by 19:00, reminding us of the importance of sun protection during those peak hours. Stay vigilant and protect yourself when the sun is at its strongest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | 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 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits notable seasonal variations, with significant increases during the summer months. January and December are characterized by a low exposure category (UV Index 2), allowing for longer burn times of 45 minutes. In February, UV levels begin to rise to a moderate level (UV Index 3) with a burn time of 30 minutes, indicating increased sun exposure risk. By March, the UV Index reaches high levels (6), leading into April and May, when it escalates to very high (9-10) with burn times dropping to just 15 minutes. The peak of the risk persists through July and August, necessitating extra precautions as the UV Index remains at 10. As summer wanes, September and October see a slight reduction in levels (7 and 6), but still warrant attention due to their high classification. November returns to a moderate classification, and by December, the cycle concludes with a return to low UV levels. Visitors and residents should take precautionary measures especially during the high-risk months of April to August, by wearing protective clothing, applying sunscreen, 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 |
| Khovd UVI | 2 | 3 | 6 | 7 | 10 | 10 | 9 | 9 | 7 | 5 | 2 | 1 |
| Tsahir | 2 | 3 | 6 | 9 | 10 | 10 | 10 | 9 | 7 | 6 | 3 | 2 |