UV Index in Kasulu, Tanzania

Last updated: July 2, 2025

In Kasulu, Tanzania, understanding the UV Index is crucial for protecting your skin and overall health in this vibrant region. As a locality characterized by an Aw climate, it experiences significant sunlight throughout the year, leading to varying UV levels that can escalate rapidly during the day. Awareness of these UV levels helps prevent sunburn and reduces the long-term risks associated with skin damage. With peak UV Index readings reaching 11 around midday, it’s vital to stay informed and take necessary precautions—like seeking shade, wearing protective clothing, and using sunscreen—to enjoy the beautiful sun while keeping your skin safe.

Hourly UV Index in Kasulu

As the sun rises, the UV Index begins at a modest 0 at 7:00 AM, signaling a safe start to the day. By 8:00 AM, it climbs to 1, still relatively low but hinting at the strength to come. The real warmth kicks in by 10:00 AM when the index reaches 5, urging early risers to prepare for some sun protection. The peak occurs at 1:00 PM, with the index soaring to 11, marking a very high risk of harm from unprotected sun exposure. As the afternoon unfolds, the intensity gradually descends to 10 by 2:00 PM, before tapering off to 5 by 4:00 PM. The day winds down with a return to lower levels, dropping to 2 at 5:00 PM and ending with a gentle 0 by 7:00 PM. Remember, during those peak hours, the sun's rays are strongest—be sure to slip on protective clothing and slather on sunscreen!

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	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	11	extreme	10 min
14:00	10	very high	15 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 Kasulu

The UV Index in this region experiences extreme levels throughout the year, with particularly high readings in the early months. From January to April, the UV Index peaks at 16, maintaining a severe risk with a burn time of just 10 minutes. May marks a slight decrease to 13, but the extreme exposure continues into June and July with an Index of 11. The high-risk months for UV exposure are January through April, with significant caution advised. As a rule of thumb, all visitors and residents should take precautions such as wearing sunscreen, protective clothing, and sunglasses during these months and throughout the year, given the consistently high UV levels. It's crucial to limit sun exposure, especially around midday, to safeguard against harmful effects.

Monthly Maximum UV Index for Kasulu, Tanzania

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

The table above highlights how UV exposure in Kasulu 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.

Kasulu'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
Kasulu	15	16	16	16	13	11	11	13	14	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