UV Index in Basotu, Tanzania

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Basotu, Tanzania, where the Cwb climate can lead to significant sun exposure. With UV levels peaking at a striking 14 during midday hours, awareness of these fluctuations is vital for preventing sunburn and safeguarding long-term skin health. As daily activities unfold under the Tanzanian sun, staying informed about UV risks allows for better protection strategies, ensuring that residents can enjoy the beautiful, warm climate while minimizing their risk of UV-related harm.

Hourly UV Index in Basotu

The UV Index throughout the day reflects a significant rise in solar intensity, starting from a mild 1 at 7:00 AM. As the sun climbs, the index peaks dramatically at 14 between 12:00 PM and 1:00 PM, signaling the most intense sun exposure. This powerful UV radiation emphasizes the need for sun protection during these midday hours. As the afternoon transitions to evening, the index gradually declines, dropping to 8 by 3:00 PM, then further down to 0 by 7:00 PM, indicating a much safer time for outdoor activities. It’s crucial to stay vigilant during the highest exposure periods to protect your skin!

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	8	very high	15 min
11:00	11	extreme	10 min
12:00	14	extreme	10 min
13:00	14	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 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 Basotu

The UV index in this region remains extremely high throughout the year, with values consistently ranging from 14 to 17. The highest UV index is recorded in March at 17, closely followed by January, February, and April, all at 16. Visitors and residents should be particularly vigilant from January to April, as these months represent the peak risk for skin damage, with a rapid burn time of just 10 minutes. Even in the summer months, such as June and July, where the UV index slightly decreases to 11 and 12 respectively, precaution is still crucial given the extreme exposure category. It is advised for everyone to take protective measures such as wearing sunscreen, protective clothing, and seeking shade, especially during peak sun hours.

Monthly Maximum UV Index for Basotu, Tanzania

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

The table above highlights how UV exposure in Basotu 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.

Basotu'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
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
Basotu	16	16	17	16	14	11	12	14	15	14	14	14