UV Index in Nanyamba, Tanzania

Last updated: May 3, 2025

In Nanyamba, Tanzania, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding the UV levels not only helps prevent painful sunburns but also promotes long-term skin health by reducing the risk of skin cancer. Nestled in a warm climate zone (Aw), Nanyamba experiences a variety of UV exposure risks, especially during midday when the index peaks at 11. Staying informed about these levels enables residents and visitors to enjoy the sunshine responsibly and safeguard their skin from harmful rays.

Hourly UV Index in Nanyamba

Today, the UV Index saw a dramatic rise as the sun reached its zenith. Starting at a gentle 1 at 7:00 AM, the index escalated through the morning, hitting 10 by 11:00 AM and peaking at 11 from 12:00 PM to 1:00 PM—a clear indication of intense UV radiation. By 2:00 PM, it began to drop to 8, then progressively decreased to 5 at 3:00 PM, before returning to a much safer 1 by the 5:00 PM hour. As the day faded, the UV level fell to 0 by 6:00 PM, urging a welcome relief as outdoor activities became less risky. Stay protected during 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	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	8	very high	15 min
15:00	5	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Nanyamba

The UV Index in our region shows a consistent pattern of high to extreme levels throughout the year, with only a slight dip during the summer months. January to April maintain an extreme exposure category with a UV Index of 15, presenting a burn time of just 10 minutes. As we move into May, the index drops to 11, still considered extreme, while June and July lower slightly to 10 but remain in the very high category, allowing for 15 minutes of safe exposure. August to October return to extreme levels with indices of 12 to 14, followed by November and December at 14. High-risk months are primarily January through April and again in August to October, where the likelihood of sunburn is significant. Visitors and residents are advised to practice sun safety by wearing protective clothing, applying broad-spectrum sunscreen, and limiting sun exposure during these high-risk months, especially between 10 a.m. and 4 p.m.

Monthly Maximum UV Index for Nanyamba, Tanzania

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

The table above highlights how UV exposure in Nanyamba 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.

Nanyamba'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
Nanyamba	15	15	15	14	11	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