UV Index in Katumba, Tanzania

Last updated: June 2, 2025

Understanding the UV Index in Katumba, Tanzania, is crucial for safeguarding your skin health and preventing sunburn. With peak UV levels often reaching as high as 11 during midday, residents and visitors must stay informed to enjoy the sun safely. Katumba experiences a Cwb climate, characterized by temperate weather, yet the intense sunlight can pose significant risks. By keeping a close eye on UV levels, you can take proactive measures to protect yourself from harmful rays and maintain healthy skin. Stay sun-safe and relish the beauty of Katumba responsibly!

Hourly UV Index in Katumba

The UV Index peaks dramatically as the day unfolds, with maximum values reaching their zenith at 13:00 when it hits an intense 11. Early morning starts off mild, as the Index remains at 1 from 07:00 to 08:00. By 09:00, it rises to 3 before ascending swiftly throughout the late morning. Notably, at 12:00, the Index strikes 10, marking the beginning of the most perilous UV exposure. As the afternoon progresses, a gradual decline begins, dropping to 7 by 15:00 and further descending to 1 by 17:00. As the sun sets, the UV threat dissipates, falling to 0 by 19:00. This data underscores the importance of sun protection during peak hours, particularly between 11:00 and 14:00.

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	3	moderate	30 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	9	very high	15 min
15:00	7	high	25 min
16:00	4	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 Katumba

From January to April, the UV Index remains extremely high at 16, indicating a significant risk of harm from unprotected sun exposure, with a burn time of just 10 minutes. Although May to July see a slight decrease to 13 and 11, the risk remains categorized as extreme, maintaining a burn time of 10 minutes. In August, the UV Index climbs back to 13, followed by a gradual increase to 14 from September through November, and returning to 16 in December. Visitors and residents should exercise utmost caution during these high-risk months, particularly from January through April and during the late fall and winter months. It is advisable to wear protective clothing, use sunscreen, and seek shade to minimize UV exposure, regardless of the season.

Monthly Maximum UV Index for Katumba, Tanzania

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

The table above highlights how UV exposure in Katumba 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.

Katumba'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
Katumba	16	16	16	16	13	11	11	13	14	14	14	16
Mbeya UVI	16	16	16	16	13	11	11	13	14	14	14	15