Last updated: July 2, 2025
In Galappo, Tanzania, being aware of the UV Index is essential for maintaining your skin health and preventing sunburn. Understanding UV levels can help you enjoy the sun safely, particularly as this region experiences high UV exposure due to its Aw climate. With peak UV Index values soaring to 12 around midday, residents and visitors alike must stay informed and take necessary precautions to protect their skin from harmful rays. Embracing UV awareness not only enhances your outdoor experiences but also fosters long-term skin health.
The UV Index fluctuates dramatically throughout the day, peaking in intensity around noon. Starting at a mild 1 at 07:00, the index gradually climbs, reaching 6 by 10:00. The sun's strength culminates at a blazing 12 from 12:00 to 13:00, making this the most crucial time to protect your skin. As the afternoon progresses, the index begins to dip, dropping to 10 at 14:00, then easing down to 7 by 15:00. By evening, the levels plummet, settling back to a safe 0 by 19:00. It's wise to stay sun-savvy: midday is when the UV rays can be most harmful!
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 | 12 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 7 | high | 25 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 |
The UV Index in the region indicates consistently extreme levels throughout the year, with particularly high readings from January to April where the index notably peaks at 17. The months of January through March are the highest risk, maintaining a UV Index of 16-17 and a dangerously short burn time of just 10 minutes. After April, values gradually decline yet remain significant, with readings ranging from 11 to 15 through November. As such, it is crucial for both visitors and residents to take extra precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours, especially from late morning to early afternoon.
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 |
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 |
Galappo | 16 | 17 | 17 | 16 | 14 | 11 | 12 | 14 | 15 | 14 | 14 | 15 |