Last updated: July 2, 2025
In Katerero, Tanzania, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels not only helps in preventing sunburn but also plays a significant role in maintaining long-term skin health. With Katerero's warm and sunny climate, typical exposure to high UV levels—peaking at a staggering 12 around midday—poses increased risks for both residents and visitors alike. By staying informed about UV index readings throughout the day, you can enjoy the beautiful Tanzanian sun while safeguarding your skin against harmful rays.
As the sun rises, the UV Index starts low, peaking at a gentle 1 by 08:00. However, the intensity ramps up swiftly, hitting 3 by 09:00 and soaring to 8 by 11:00. The day reaches its blistering maximum at 12:00, where it spikes to an intense 11, peaking further at 13:00 with a 12. As the afternoon wanes, the index drops to 10 by 14:00, then gracefully descends to 8 at 15:00. The evening brings a gentle retreat, falling to 2 by 17:00 and settling back to a calm 0 by 19:00. Remember to stay protected when the sun is at its strongest!
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 | 12 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 8 | very high | 15 min |
16:00 | 5 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index in this region exhibits extreme levels throughout the entire year, peaking at 16 in March. From January to May, the UV Index remains consistently high, ranging from 14 to 16, marking these months as high-risk periods for sun exposure. Although the UV Index slightly decreases during the summer months (June to August), it stays within the 12 to 13 range, which still indicates significant risk. Residents and visitors should take precautionary measures year-round: wear broad-spectrum sunscreen, seek shade during peak hours, and remain vigilant about sun safety practices, as the burn time remains at a rapid 10 minutes regardless of the month.
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 |
Katerero | 14 | 15 | 16 | 15 | 14 | 11 | 12 | 13 | 14 | 13 | 13 | 13 |
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 |