Last updated: July 2, 2025
Understanding the UV Index in Chato, Tanzania, is crucial for safeguarding your skin health and preventing sunburn. With a climate characterized by warm temperatures and extended sunlight, knowing the UV levels can help you take appropriate precautions during the day. The UV Index typically peaks around midday, reaching values as high as 11, indicating extreme exposure risks. By staying informed about these levels, you can enjoy the outdoors while protecting yourself and your loved ones from harmful UV radiation.
The UV index for the day displays a dramatic rise in intensity, beginning with a gentle start at 7:00 AM and 8:00 AM, both at a low 1. As the sun climbs higher, the index quickly escalates to 3 by 9:00 AM, reaching a moderate 5 at 10:00 AM. However, the peak occurs at 12:00 PM and 1:00 PM, where it strikes a critical 11, indicating a high risk of harm from unprotected sun exposure. As the afternoon progresses, the index starts to decline, dropping to 10 at 2:00 PM, then down to 4 by 4:00 PM. The day winds down with a gentle descent, with values diminishing to 1 at 6:00 PM and ultimately 0 by 7:00 PM. Plan accordingly to keep your skin safe during those peak 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 | 5 | moderate | 30 min |
11:00 | 8 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 8 | very high | 15 min |
16:00 | 4 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, the UV Index remains alarmingly high, with extreme exposure levels observed from January through May, where values peak at 16 in March. This staggering intensity persists into the summer months, with June and July showing a slight decrease to 11, yet still classified as extreme. Visitors and residents should particularly remain vigilant during the first half of the year, as the high-risk months for UV exposure are January through April. It's crucial for everyone to take precautions, such as wearing protective clothing, using broad-spectrum sunscreen, and seeking shade, especially during peak sunlight hours, to reduce the risk of skin damage during these periods.
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 |
Mwanza UVI | 14 | 15 | 16 | 15 | 13 | 11 | 11 | 13 | 14 | 13 | 13 | 13 |
Chato | 14 | 15 | 16 | 15 | 14 | 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 |