UV Index in Nzega, Tanzania

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Nzega, Tanzania, especially given its Aw climate characterized by warm temperatures and robust sunlight. High UV levels, particularly between 11:00 AM and 1:00 PM, can pose significant risks for skin health, including sunburn and long-term damage. Being aware of these UV fluctuations helps everyone take proactive measures to protect their skin from harmful rays. In Nzega, the typical afternoon UV readings often reach extreme levels, making it essential to prioritize sun safety and stay informed about the daily UV index.

Hourly UV Index in Nzega

The UV Index throughout the day reveals a dynamic shift in sun strength. Starting off with a gentle maximum of 1 at both 07:00 and 08:00, the intensity begins to rise, reaching a moderate level of 3 by 09:00. As the clock strikes 10:00, the index leaps to 6, and by 11:00, it surges to 9, indicating increasing caution is needed. The day peaks at a scorching 11 at 12:00 and reaches its zenith with an astounding 12 at 13:00. A gradual decline follows, with levels dropping to 10 at 14:00, then 7 at 15:00, and finally settling back to 4 at 16:00. As the sun starts to set, the index plummets to 2 at 17:00, then quiets to 1 by 18:00, before dropping to 0 at 19:00. Be sure to take care during those peak hours!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
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	9	very high	15 min
12:00	11	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

Monthly UV Index Trends in Nzega

Throughout the year, UV Index levels remain consistently high, peaking at 16 in January, February, March, and April, categorized as extreme, with an alarming burn time of just 10 minutes. This high-risk period for UV exposure continues into spring, with May seeing a slight drop to 13, yet still warrants caution. As summer approaches, the index tapers slightly, ranging between 11 and 13 from June to August, yet remains in the extreme category. The trend continues into September and October, where the UV index is again marked at 15 and 13, respectively, maintaining the extreme designation. Finally, November and December keep the index at 13 and 14, ensuring that even during winter months, residents and visitors should remain vigilant. To minimize risk, it's crucial for everyone to wear adequate sun protection, such as sunscreen, clothing, and hats, especially during these high-risk months.

Monthly Maximum UV Index for Nzega, Tanzania

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Nzega. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Nzega, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Nzega UV Index with Other Tanzania Cities

The table above highlights how UV exposure in Nzega compares to other major locations across Tanzania. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Nzega's solar exposure compared to other cities in Tanzania. Generated using Copernicus Atmosphere Monitoring Service information.
	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
Nzega	15	16	16	16	13	11	12	13	15	13	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