Last updated: July 2, 2025
Understanding the UV Index is essential for residents of Nkoaranga, Tanzania, where the sun's rays can pose significant health risks. With UV levels peaking at 12 during midday hours, being aware of these fluctuations is crucial for protecting your skin from harmful effects such as sunburn and long-term damage. The local Cwb climate brings about varied exposure conditions, but the high UV index during certain times of the day means that taking precautions is vital for maintaining skin health and ensuring outdoor activities are safe. Stay informed, safeguard your skin, and enjoy the vibrant outdoors of Nkoaranga!
The UV Index today showcases a dynamic rise and fall throughout the hours. Starting the morning at a modest 1 at both 07:00 and 08:00, it gradually intensifies, peaking at a striking 12 between 12:00 and 13:00—a clear signal for sun protection. Early afternoon brings a slight decline to 10 at 14:00, followed by a gentle drop to 7 by 15:00. As the day winds down, the index dips swiftly to 4 at 16:00, before settling back to 1 by 18:00 and finally reaching a 0 at 19:00. As the sun makes its ascent and descent, it's crucial to stay aware of these UV fluctuations to protect your skin!
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 | 10 | 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 |
Throughout the year, the UV Index consistently remains at extreme levels, highlighting a significant risk for sunburn. January to April sees the highest UV Index readings, ranging from 15 to 16, indicating that residents and visitors should take extra precautions when exposed to sunlight, as burn time is as little as 10 minutes. The risk remains high in May and June with values of 14 and 12, respectively, before slightly decreasing through the summer months of July and August. September to November returns to UV Index levels around 13 to 14, and finally, December sees a slight drop to 14, yet maintains the extreme exposure category. It is crucial for everyone to apply sunscreen, wear protective clothing, and limit sun exposure during all months, especially from January through April when the risk is paramount.
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 |
Nkoaranga | 15 | 16 | 16 | 16 | 14 | 12 | 12 | 13 | 14 | 14 | 13 | 14 |
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 |