Last updated: June 2, 2025
In Choyr, Mongolia, being aware of the UV Index is crucial for protecting your skin and maintaining your overall health. With summer temperatures soaring and the UV Index peaking at 10 during midday hours, understanding the levels of ultraviolet radiation can help you take proactive measures against sunburn and long-term skin damage. The region's BSk climate typically presents significant UV exposure risks, particularly from late morning to early afternoon. By staying informed about the UV Index, you can enjoy the sunny days while safeguarding your skin's health!
The UV Index begins its ascent at 07:00 with a gentle 1, setting a calm tone for the morning. By 08:00, it spikes to 3, hinting at increasing sun exposure. As the clock strikes 09:00, the index climbs further to 4, marking a cautious approach to outdoor activities. The peak arrives at 12:00, reaching a sizzling 10, indicating a powerful intensity of sunlight that calls for immediate sun protection. Even through the afternoon, 13:00 holds steady at 10, encouraging vigilance under the sun. The index begins to descend, dropping to 9 by 14:00, then gradually tapering off to 5 at 16:00, and easing to 3 by 17:00. As twilight sets in, the UV Index retreats to 2 at 18:00 and down to 1 by 19:00, signaling a soft end to the day's sunlight intensity. Remember to take care during those peak hours for optimal sun safety!
| 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 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal variations, influencing the risk of skin damage from sun exposure. January and December experience the lowest UV levels, categorized as low, with a burn time of 45 minutes. As spring arrives, February and March see a moderate increase, reaching a UV Index of 3 and 5 respectively, with burn times dropping to 30 minutes. The UV Index peaks in May and June, reaching 9 and 10, signifying very high exposure risk and a reduced burn time of only 15 minutes. July and August maintain this high risk, while September sees a decrease to a high category with a UV Index of 7 and a burn time of 25 minutes. October and November return to moderate levels, allowing for burn times of 30 minutes once again. Visitors and residents are advised to take precautionary measures during high-risk months, especially from April to August, by utilizing sunscreen, wearing protective clothing, and seeking shade to minimize the risk of skin damage.
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 |
| Choyr | 2 | 3 | 5 | 7 | 9 | 10 | 9 | 9 | 7 | 5 | 3 | 2 |
| Khovd UVI | 2 | 3 | 6 | 7 | 10 | 10 | 9 | 9 | 7 | 5 | 2 | 1 |