UV Index in Nanganga, Tanzania

Last updated: July 2, 2025

In Nanganga, Tanzania, being aware of the UV Index is crucial for both sun safety and skin health. Understanding UV levels can help you prevent painful sunburns and reduce the long-term risks of skin damage. With a climate categorized as Aw, the region experiences significant sun exposure, especially during midday when the UV Index can soar to 10, indicating a high risk of harm from unprotected sun exposure. By staying informed, you can enjoy the beautiful Tanzanian sunshine safely and protect your skin from adverse effects.

Hourly UV Index in Nanganga

As the sun rises, the UV Index remains low at 1 from 07:00 to 09:00, ideal for early morning outdoor activities. However, as the clock strikes 10:00, it escalates dramatically to 6, urging caution for midday sun exposure. The peak intensity occurs between 12:00 and 13:00, where the UV Index soars to its maximum at 10, signaling a high risk for harm from unprotected sun exposure. As the afternoon unfolds, the index gradually declines, dropping to 8 at 14:00 and tapering down to 5 by 15:00. Finally, by 17:00, it dips back to 1, and by 19:00, it settles at 0, signaling the safe return of evening shadows. Be mindful of sun safety during those critical 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	10	very high	15 min
13:00	10	very high	15 min
14:00	8	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

Monthly UV Index Trends in Nanganga

The UV Index exhibits significant seasonal changes throughout the year, with high-risk months identified as January to April and again in August to November, where the UV Index consistently reaches extreme levels of 15 to 14, resulting in a burn time of just 10 minutes. In June and July, the UV Index drops slightly to 10 with a very high exposure category, but caution is still warranted as the burn time increases to 15 minutes. Residents and visitors should take preventative measures during these high-risk months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade whenever possible to minimize UV exposure and reduce the risk of skin damage.

Monthly Maximum UV Index for Nanganga, Tanzania

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Nanganga. 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 Nanganga, 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 Nanganga UV Index with Other Tanzania Cities

The table above highlights how UV exposure in Nanganga 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.

Nanganga'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
Nanganga	15	15	15	14	12	10	10	12	13	14	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