Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Istaravshan, Tajikistan, where the sun shines brightly against a Dsb climate backdrop. As UV levels can soar to a maximum of 11 between 12:00 PM and 1:00 PM, awareness of these daily fluctuations is vital for preventing sunburn and promoting overall skin health. This knowledge empowers you to plan your outdoor activities wisely, taking protective measures during peak UV exposure hours to enjoy the beautiful, sunlit days of Istaravshan while minimizing the risks associated with excessive sun exposure.
At daybreak, the UV Index begins its gradual ascent, starting at 2 by 7:00 AM. As the sun climbs higher, we see the UV intensity rise to 3 at 8:00 AM and then surge to a peak of 11 between 12:00 PM and 1:00 PM. This midday sun means it's crucial to protect your skin! After reaching its zenith, the UV Index starts to taper off, decreasing to 9 by 2:00 PM, 7 at 3:00 PM, and eventually dropping to 2 by 5:00 PM. As the evening sets in, the index settles at a mellow 1 by 6:00 PM, offering a much gentler sun as twilight approaches. Enjoy the sunshine, but remember to stay safe and protect your skin during those 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 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | 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 levels exhibit notable seasonal changes, peaking during the summer months. January and February experience a moderate UV Index of 3 and 4, allowing for a burn time of 30 minutes. However, a significant shift occurs in March, as the UV Index escalates to 8, classified as very high, reducing burn time to just 15 minutes. The very high levels peak in May before transitioning to an extreme Index of 11 in June and July, demanding vigilance with a burn time of only 10 minutes. As summer wanes, the UV Index decreases to 9 in August and 8 in September, but still requires caution. By October, the Index drops to 6, categorized as high, with a burn time of 25 minutes, and then returns to a moderate category in the cooler months of November and December. Visitors and residents are advised to take protective measures, especially from March through August, the high-risk months for UV exposure, by wearing sunscreen, protective clothing, and seeking shade during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Khujand UVI | 3 | 4 | 7 | 9 | 10 | 11 | 11 | 9 | 8 | 6 | 3 | 2 |
| Istaravshan | 3 | 4 | 8 | 9 | 10 | 11 | 11 | 9 | 8 | 6 | 4 | 3 |
| Bokhtar UVI | 3 | 5 | 7 | 9 | 11 | 11 | 11 | 10 | 8 | 6 | 4 | 3 |
| Dushanbe UVI | 3 | 4 | 7 | 9 | 11 | 11 | 11 | 10 | 9 | 6 | 4 | 3 |
| Kulob UVI | 3 | 4 | 8 | 9 | 11 | 11 | 11 | 10 | 9 | 6 | 4 | 3 |