UV Index in Bariadi, Tanzania

Last updated: August 1, 2025

Understanding the UV Index in Bariadi, Tanzania, is crucial for maintaining your skin health and preventing sunburn. With its Aw climate, Bariadi experiences high levels of ultraviolet radiation, particularly during midday hours when the UV Index peaks at values of 11 and 12. Being aware of these UV levels can help you take protective measures against potential skin damage and long-term health risks. As sunlight becomes more intense from late morning to early afternoon, knowing when to seek shade or apply sunscreen is essential for enjoying the beautiful weather while keeping your skin safe.

Hourly UV Index in Bariadi

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	4	moderate	30 min
10:00	7	high	25 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	14	extreme	10 min
14:00	12	extreme	10 min
15:00	8	very high	15 min
16:00	5	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 Bariadi

The UV Index remains consistently high throughout the year, with January through April peaking at 16 to 17, categorizing these months as extreme risk for UV exposure, where a burn can occur in just 10 minutes of sunlight. May sees a slight reduction to 14, but the risk remains significant. The index begins to decline from June to October, ranging from 11 to 14, yet caution is still advised as the extreme exposure category persists. November and December hold steady at 13, maintaining the high-risk designation. Visitors and residents are strongly advised to take precautions during these months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sun hours to minimize UV exposure and potential skin damage.

Monthly Maximum UV Index for Bariadi, Tanzania

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

The table above highlights how UV exposure in Bariadi 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.

Bariadi'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
Bariadi	15	16	17	16	14	11	12	14	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