Last updated: June 2, 2025
Understanding the UV Index is vital for residents and visitors of Istaravshan, Tajikistan, as it directly impacts your skin health and sunburn prevention efforts. With the region's Dsb climate, characterized by hot summers and varying UV levels, awareness of daily UV exposure can help you take necessary precautions against harmful rays. Notably, the UV Index peaks at a dangerous 11 between noon and 1 PM, emphasizing the importance of protecting your skin during those hours. Stay informed and safeguard your health while enjoying Istaravshan’s beautiful outdoors!
The UV Index fluctuates throughout the day, peaking dramatically in the late morning to early afternoon. Starting at a mild 2 at 07:00, it steadily climbs, reaching 3 by 08:00. By 09:00, the intensity ramps up to 5, but the real surge occurs as the clock approaches midday, with the UV Index soaring to a striking 10 at 11:00 and hitting a maximum of 11 from 12:00 to 13:00. After this intense peak, the index begins to decline, descending to 9 at 14:00, and gradually dropping to 5 by 16:00. As daylight fades, the numbers further dwindle to 3 at 17:00, and stabilizing at a safe 1 as evening sets in, from 18:00 to 19:00. This data showcases the importance of sun protection during the midday hours when the UV radiation is at its highest.
| 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 | 3 | moderate | 30 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 |