UV Index in Homa Bay, Kenya

Last updated: July 2, 2025

In Homa Bay, Kenya, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels can help prevent sunburn and reduce the risk of long-term skin issues, making it an essential part of your daily routine. Situated in a warm, tropical climate, Homa Bay experiences varying UV exposure throughout the day, peaking with an index of 11 between noon and 1 PM. With intense sunlight and a high UV index, residents and visitors alike must stay informed and take proper precautions to enjoy the beautiful outdoors safely.

Hourly UV Index in Homa Bay

As the sun rises and warms the day, the UV Index begins at a mild 1 at 07:00 and 08:00, making it safe to venture outdoors without much protection. By 09:00, it jumps to a moderate 3, hinting at the increasing intensity. The real peak arrives between 11:00 and 13:00, where the index soars to an impressive 11, signifying a high risk of harm from unprotected sun exposure. As the afternoon rolls on, the index gradually dips, dropping to 10 at 14:00 and then descending through the late afternoon to 2 by 17:00. The sun sets the scene for a safe evening as the index returns to 1 at 18:00, finally resting at 0 by 19:00. This hourly dance of UV radiation highlights the importance of sun safety 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	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 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 Homa Bay

Throughout the year, UV Index levels in this region remain consistently high, with values often categorized as extreme. From January to April, the UV Index peaks at 15 to 16. Following this, it remains notably high through May (13) to August (12) before slightly tapering off to 13 in September and October and 12 in November, concluding the year with a 13 in December. The high-risk months are particularly concentrated from February to April, when the UV Index reaches its maximum. Given these conditions, it is crucial for both visitors and residents to take appropriate precautions year-round, such as wearing protective clothing, applying broad-spectrum sunscreen, and limiting direct sun exposure, especially during peak hours to prevent harmful sunburns.

Monthly Maximum UV Index for Homa Bay, Kenya

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

The table above highlights how UV exposure in Homa Bay compares to other major locations across Kenya. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Homa Bay's solar exposure compared to other cities in Kenya. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mombasa UVI	14	14	15	14	13	11	11	12	13	13	13	12
Homa Bay	15	15	16	15	13	11	11	12	13	13	12	13
Kikuyu UVI	15	16	16	16	13	11	11	13	14	14	13	13
Ruiru UVI	15	16	16	16	13	11	11	13	14	14	13	13
Nairobi UVI	15	16	16	16	13	11	11	13	14	14	13	13
Nakuru UVI	16	17	17	17	14	12	13	14	15	15	14	14