UV Index in Liwale, Tanzania

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors in Liwale, Tanzania, where the tropical climate and high sun exposure can lead to significant risks. With UV levels peaking at a maximum of 10 between noon and 1 PM, it's essential to stay informed to prevent sunburn and protect your skin health. The prevalence of intense sunlight underscores the importance of awareness about UV radiation, particularly in a region known for its warm, sunny weather. By keeping track of the UV Index, you can enjoy the outdoors safely while minimizing the risk of harmful effects on your skin.

Hourly UV Index in Liwale

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	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 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 Liwale

During the year, the UV Index presents seasonal variations, with extreme levels consistently from January to April and returning in August through November. The highest risk months for UV exposure are January, February, March, and April, each maintaining a UV Index of 15-16, which signifies an extreme hazard level with a burn time of just 10 minutes. Even in warmer months like June and July, the index remains at a very high level of 10, allowing for slightly longer exposure of 15 minutes. As a result, it’s essential for visitors and residents to take precautions by wearing protective clothing, utilizing sunscreen, and seeking shade during peak sunlight hours, especially in high-risk months to prevent skin damage.

Monthly Maximum UV Index for Liwale, Tanzania

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

The table above highlights how UV exposure in Liwale 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.

Liwale'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
Liwale	15	16	15	15	12	10	10	12	13	13	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