Last updated: May 3, 2025
Understanding the UV Index in Nanhyanga, Tanzania, is crucial for protecting your skin and promoting overall health. With high UV levels peaking at 11 during midday hours, it’s essential to be aware of sun exposure to prevent sunburn and long-term skin damage. Nanhyanga’s Aw climate brings hot, sunny days that heighten these UV risks, especially between 10 AM and 2 PM when the sun’s rays are strongest. Stay informed and take the necessary precautions to enjoy the outdoors safely!
Today, the UV Index saw a dramatic rise as the sun reached its zenith. Starting at a gentle 1 at 7:00 AM, the index escalated through the morning, hitting 10 by 11:00 AM and peaking at 11 from 12:00 PM to 1:00 PM—a clear indication of intense UV radiation. By 2:00 PM, it began to drop to 8, then progressively decreased to 5 at 3:00 PM, before returning to a much safer 1 by the 5:00 PM hour. As the day faded, the UV level fell to 0 by 6:00 PM, urging a welcome relief as outdoor activities became less risky. Stay protected during peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 8 | very high | 15 min |
15:00 | 5 | moderate | 30 min |
16:00 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 0 | 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 |
Nanhyanga | 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 |