Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Galappo, Tanzania, where the climate is hot and sunny year-round. With UV levels reaching a peak of 14 around midday, awareness of these fluctuations is essential for preventing sunburn and maintaining overall skin health. By learning to navigate the UV Index, you can better protect yourself against harmful rays, particularly during the intense hours from 10 AM to 2 PM when exposure risks are highest. Stay informed, stay protected, and enjoy the vibrant outdoors of Galappo safely!
The UV Index rises steadily through the morning, starting at a modest 1 at 07:00, but rapidly escalates to a peak of 14 by 12:00, highlighting the intensity of midday sun. As the day progresses, the index gradually declines, dipping back to 8 by 15:00 and settling at a low of 0 by 19:00. Notably, the most hazardous hours for sun exposure occur between 11:00 and 13:00, with values reaching 11 and 13, respectively. It's essential to stay protected during these peak hours to avoid harmful effects from UV radiation.
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 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 14 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 11 | extreme | 10 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 |
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 |