Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Javarthushuu, Mongolia, where the climate is characterized by cold winters and moderate summers. With increasing sun exposure, being aware of UV levels is essential not only for preventing sunburn but also for maintaining overall skin health. Typically, the UV Index peaks around midday, reaching a maximum of 8 during the summer months, indicating a high risk for skin damage. With this knowledge, you can take the necessary precautions to enjoy the sun safely while exploring the stunning landscapes of Javarthushuu.
As the sun rises, the UV Index begins its ascent, peaking around 12:00 PM with a formidable score of 8, indicating a high risk of harm from unprotected sun exposure. Early morning starts off low, with 1 at 07:00 AM, but by 10:00 AM, it escalates to 6, urging early sun-seekers to apply sunscreen. The peak hours, spanning between 11:00 AM and 1:00 PM, warrant extra caution, as the index remains elevated at 7 and 8, respectively. Following this midday intensity, the index gradually declines, dropping to 5 by 3:00 PM and tapering off to 1 by evening. Enjoy the sun responsibly!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV radiation levels experience significant seasonal changes that visitors and residents should be aware of. January and December offer the lowest UV Index values of 1, indicating a low exposure risk with a burn time of 45 minutes. As we move into February and March, the UV Index rises to 3 and 4, respectively, requiring moderate protection. The UV Index peaks during the summer months of April through August, hitting a high of 9 in June, classifying it as a very high exposure risk where burn time drops to just 15 minutes. The high-risk months are clearly April to August, where enhanced sun protection measures such as sunscreen, hats, and protective clothing are crucial. As the year winds down, UV levels decrease again, falling to moderate and low categories by October through December. Residents and visitors are advised to adjust their sun safety practices accordingly, especially during the summer months when UV exposure is most intense.
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 |
| Javarthushuu | 1 | 3 | 4 | 7 | 8 | 9 | 8 | 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 |