Last updated: July 2, 2025
Understanding the UV Index in Tandahimba, Tanzania, is crucial for protecting your skin and overall health. As a region characterized by an Aw climate, Tandahimba experiences significant UV exposure, especially during midday hours when the index peaks at 10. Awareness of the UV levels is essential for preventing sunburn and long-term skin damage, making it imperative for residents and visitors alike to stay informed. By recognizing the varying UV index throughout the day, you can take proactive measures to safeguard your skin and enjoy the vibrant Tanzanian sun with confidence.
As the sun rises, the UV Index remains low at 1 from 07:00 to 09:00, ideal for early morning outdoor activities. However, as the clock strikes 10:00, it escalates dramatically to 6, urging caution for midday sun exposure. The peak intensity occurs between 12:00 and 13:00, where the UV Index soars to its maximum at 10, signaling a high risk for harm from unprotected sun exposure. As the afternoon unfolds, the index gradually declines, dropping to 8 at 14:00 and tapering down to 5 by 15:00. Finally, by 17:00, it dips back to 1, and by 19:00, it settles at 0, signaling the safe return of evening shadows. Be mindful of sun safety during those critical hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index in our region shows a consistent pattern of high to extreme levels throughout the year, with only a slight dip during the summer months. January to April maintain an extreme exposure category with a UV Index of 15, presenting a burn time of just 10 minutes. As we move into May, the index drops to 11, still considered extreme, while June and July lower slightly to 10 but remain in the very high category, allowing for 15 minutes of safe exposure. August to October return to extreme levels with indices of 12 to 14, followed by November and December at 14. High-risk months are primarily January through April and again in August to October, where the likelihood of sunburn is significant. Visitors and residents are advised to practice sun safety by wearing protective clothing, applying broad-spectrum sunscreen, and limiting sun exposure during these high-risk months, especially between 10 a.m. and 4 p.m.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Zanzibar UVI | 14 | 14 | 14 | 14 | 12 | 10 | 10 | 12 | 13 | 13 | 13 | 13 |
| Dar es Salaam UVI | 14 | 14 | 15 | 14 | 12 | 10 | 10 | 12 | 13 | 13 | 13 | 13 |
| Tandahimba | 15 | 15 | 15 | 14 | 11 | 10 | 10 | 12 | 13 | 14 | 14 | 14 |
| Mwanza UVI | 14 | 15 | 16 | 15 | 13 | 11 | 11 | 13 | 14 | 13 | 13 | 13 |
| Arusha UVI | 15 | 16 | 16 | 16 | 14 | 12 | 12 | 13 | 14 | 14 | 13 | 14 |
| Mbeya UVI | 16 | 16 | 16 | 16 | 13 | 11 | 11 | 13 | 14 | 14 | 14 | 15 |