Last updated: May 3, 2025
Understanding the UV Index is crucial for safeguarding your skin health in Njombe, Tanzania. With its Cwb climate, residents often experience varying UV exposure throughout the day, notably peaking in the midday sun. The UV Index can rise sharply, reaching dangerous levels as early as 10 AM, where it hits 13, indicating a high risk of harm from unprotected sun exposure. Being aware of these UV levels is essential not only for preventing painful sunburn but also for reducing long-term skin damage. Stay informed and protect your skin to enjoy the beautiful warmth of Njombe safely!
The UV Index throughout the day showcases a fascinating rise and fall in sun intensity, making it crucial to stay informed. Starting off gently at 1 around 7:00 AM and 8:00 AM, the index ramps up significantly as the sun climbs higher. By 9:00 AM, it leaps to 4, and the real intensity kicks in by 10:00 AM with a soaring 7. The peak arrives at 12:00 PM and 1:00 PM, where scorching conditions yield a high of 13, indicating the need for sun protection. As the afternoon progresses, values gradually decline, settling at 4 by 4:00 PM, before dipping back to 1 after 5:00 PM and finally reaching 0 by 7:00 PM. This hourly data highlights the importance of being sun-safe, especially during the midday hours when UV exposure is at its most potent.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 13 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 7 | high | 25 min |
16:00 | 4 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index data reveals significant seasonal changes, with extreme exposure levels throughout the year. The highest-risk months are from January to April and August to October, where the UV Index remains consistently between 16 and 17, indicating a burn time of just 10 minutes. Even during the summer months of June and July, the UV Index remains high at 11. Residents and visitors should take precautions year-round, particularly during these high-risk periods, by wearing appropriate sun protection such as sunscreen, hats, and sunglasses, and seeking shade during peak sunlight hours to minimize the risk of skin damage.
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 |
Njombe | 16 | 17 | 17 | 16 | 13 | 11 | 11 | 13 | 14 | 14 | 14 | 16 |