UV Index in Homa Bay, Kenya

Last updated: June 2, 2025

Understanding the UV Index in Homa Bay, Kenya is crucial for safeguarding your health and enjoying the sun responsibly. With the UV levels peaking at a striking 11 during midday, being aware of these readings can significantly help in preventing sunburn and protecting your skin from long-term damage. Homa Bay's warm Af climate brings abundant sunshine, making it essential to stay informed about UV exposure risks, especially between the hours of 10:00 AM and 2:00 PM, when the sun's intensity can be at its most harmful. By keeping an eye on the UV Index, you can ensure that your skin stays healthy while still enjoying all the beauty that Homa Bay has to offer.

Hourly UV Index in Homa Bay

The UV Index throughout the day presents a compelling narrative of sun intensity. Starting off the morning, the index remains low at 1 until 09:00, where it begins its ascent, reaching 6 by 10:00. The real highlight occurs at noon, with the index peaking at an impressive 11, indicating a high risk of harm from unprotected sun exposure. This intensity lasts until 14:00, after which the values gradually decline. By 17:00, the index drops to 2, and the sun's potency diminishes as evening approaches, culminating in a evening index of 0 by 19:00. For those outdoors, it’s crucial to protect your skin from the midday sun when the UV levels are at their highest!

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	9	very high	15 min
15:00	6	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