Last updated: May 3, 2025
Understanding the UV Index in Masuguru, Tanzania is crucial for safeguarding your skin and overall health. With the region's Aw climate featuring high temperatures and plentiful sunshine, awareness of UV levels is vital for sunburn prevention and long-term skin health. As the UV Index frequently peaks at 11 around noon, the risk of harmful exposure increases significantly during these hours. By grasping the dynamics of UV radiation in Masuguru, you can make informed choices about sun protection, shielding yourself from potential damage while enjoying the vibrant outdoors.
The UV Index throughout the day offers a clear picture of sun intensity and potential risk for skin exposure. Starting off at a mild level of 1 at 07:00, the index gradually climbs, reaching 2 by 08:00. By 09:00, it jumps to 4, signifying a need for sun protection as it approaches midday. The peak arrives at 11:00 with a striking 10, followed closely by 11 at both 12:00 and 13:00, indicating the highest risk for harmful UV rays. As the afternoon progresses, the UV Index dips, falling to 9 at 14:00 and eventually to a more manageable 5 by 15:00. The evening brings relief, as it decreases further to 3 at 16:00, and to 1 by 17:00. Finally, as the sun sets, the index drops to 0 by 19:00, marking the end of a day defined by varying levels of UV exposure. It's a vivid reminder of the sun's intensity and the importance of appropriate sun safety measures during peak hours!
| 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 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index values demonstrate significant seasonal variation, with the highest levels recorded from January to April, where the Index consistently hovers around 15, categorizing the exposure as extreme with a burn time of just 10 minutes. May sees a decline to 11, maintaining an extreme category, while June and July transition to a very high risk, allowing for a slightly extended burn time of 15 minutes. As summer wanes, August through October revert to extreme levels, with an Index of 12 to 13 and a burn time of 10 minutes. The high-risk months are thus concentrated from January to April and again in the late summer to early fall. Visitors and residents should always take precautions during these months, including wearing protective clothing, applying sunscreen liberally, and seeking shade during peak sun hours to minimize the risk of harmful UV 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 |
| Masuguru | 15 | 15 | 15 | 14 | 11 | 9 | 10 | 12 | 13 | 13 | 14 | 14 |
| 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 |