Last updated: July 2, 2025
Understanding the UV Index is crucial for the residents of Mlowo, Tanzania, where the warm Cwa climate often brings heightened sun exposure. Awareness of UV levels plays a vital role in preventing sunburn and protecting skin health. With midday UV Index readings soaring to 11—classified as extreme—it’s essential for both locals and visitors to stay informed about the risks of UV radiation. By tracking these levels, individuals can take the necessary precautions to enjoy the beautiful Tanzanian sun safely while minimizing the potential for damage to their skin.
As the sun rises, the UV Index starts off low, peaking at 1 between 07:00 and 08:00. Gradually, the intensity climbs, reaching 2 by 09:00. The warmth of midday brings a significant surge, with UV levels hitting 10 at 12:00, and peaking at an impressive 11 by 13:00—a reminder to stay protected from the sun! By 14:00, the index begins to dip, settling at 10 before tapering off towards the evening, landing at 7 at 15:00 and then decreasing to 1 by 18:00. The day concludes with a cool 0 UV Index after sunset at 19:00, indicating it's safe to unwind outside.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 2 | low | 45 min |
10:00 | 5 | moderate | 30 min |
11:00 | 8 | very high | 15 min |
12:00 | 10 | very high | 15 min |
13:00 | 11 | 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 |
Throughout the year, UV index levels remain notably high, especially from January to April, where they peak at 16, indicating an extreme exposure category with a burn time as short as 10 minutes. The risk remains significant into May with a UV index of 12, and while it slightly dips to 10 in June, subsequent months like July and August see the index rise again to between 11 and 13. The trend continues into the fall with September and October also showing high levels of 13, before tapering off slightly in November and December, yet still remaining within the extreme to very high range. Given these findings, it is crucial for both visitors and residents to take necessary precautions during these high-risk months, including wearing protective clothing, seeking shade, and applying sunscreen to minimize health risks associated with prolonged sun exposure.
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 |
Mlowo | 16 | 16 | 16 | 16 | 12 | 10 | 11 | 13 | 13 | 13 | 14 | 15 |
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 |