Last updated: July 2, 2025
Understanding the UV Index in Dzuunbulag, Mongolia is crucial for safeguarding your skin and overall health. In this picturesque region, where the climate is classified as BSk (semi-arid), awareness of UV levels can significantly aid in preventing sunburn and long-term skin damage. With midday UV indices peaking at 9—indicating a high risk of harm from unprotected sun exposure—it's essential to recognize the times of day when the sun's rays are strongest. By staying informed, residents and visitors can enjoy the beauty of Dzuunbulag while effectively protecting themselves from the sun’s ultraviolet radiation.
As the sun rises, the UV Index gradually climbs, starting at a modest 2 at 7:00 AM. By 9:00 AM, it reaches 5, signaling the need for some sun protection. The intensity peaks at 12:00 PM, hitting a robust 9, making it the most crucial time for safety from harmful rays. From 1:00 PM to 2:00 PM, it maintains this level of 9 before gently tapering down to 8 at 2:00 PM, and further to 5 by 4:00 PM. As the day winds down, the index dips to remind us of the waning sun, settling at 1 by 6:00 PM and gradually fading to 1 again at 7:00 PM. It’s clear that midday is when the sun's rays are strongest, urging everyone to stay protected during the peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, indicating varying levels of sun exposure risk. High-risk months include April to August, where the UV Index reaches its peak at 10 in June and remains between 9 and 7 for the subsequent months. During these periods, the burn time dramatically decreases to just 15 minutes, underscoring the importance of protection against harmful UV rays. In contrast, the months of January, November, and December present a much lower risk, with UV indices of 2 and burn times extending to 45 minutes. To ensure safety during high UV periods, visitors and residents should prioritize sun protection strategies, including wearing sunscreen, hats, and protective clothing, and seeking shade during peak 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 |
| Dzuunbulag | 2 | 3 | 5 | 7 | 9 | 10 | 9 | 9 | 7 | 5 | 2 | 2 |
| Khovd UVI | 2 | 3 | 6 | 7 | 10 | 10 | 9 | 9 | 7 | 5 | 2 | 1 |