UV Index in Kakamega, Kenya

Last updated: July 2, 2025

Understanding the UV Index in Kakamega, Kenya, is crucial for promoting skin health and preventing sunburn, especially given the region's tropical climate. With maximum UV levels peaking at 12 around midday, residents and visitors alike must be vigilant about their sun exposure. High UV indices can cause serious skin damage, making it essential to stay informed about daily fluctuations. By keeping an eye on UV levels, you can enjoy the beautiful Kakamega outdoors safely while protecting your skin from harmful sun rays.

Hourly UV Index in Kakamega

The UV Index throughout the day reveals a dynamic shift in sun strength. Starting off with a gentle maximum of 1 at both 07:00 and 08:00, the intensity begins to rise, reaching a moderate level of 3 by 09:00. As the clock strikes 10:00, the index leaps to 6, and by 11:00, it surges to 9, indicating increasing caution is needed. The day peaks at a scorching 11 at 12:00 and reaches its zenith with an astounding 12 at 13:00. A gradual decline follows, with levels dropping to 10 at 14:00, then 7 at 15:00, and finally settling back to 4 at 16:00. As the sun starts to set, the index plummets to 2 at 17:00, then quiets to 1 by 18:00, before dropping to 0 at 19:00. Be sure to take care 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	12	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 Kakamega

The UV Index consistently indicates extreme exposure levels throughout the year, with January through April showing the highest values, peaking at 16. Visitors and residents should be particularly cautious during these months, as the burn time is just 10 minutes. The UV Index gradually decreases from May through August, fluctuating between 12 and 13, but still remains in the extreme category, warranting diligent sun protection practices. September and October see a slight uptick to 14, while November and December lower to 13. Given these conditions, individuals are advised to wear sunscreen, protective clothing, and seek shade whenever possible, especially from January to April, to mitigate the risk of UV-related health issues.

Monthly Maximum UV Index for Kakamega, Kenya

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

The table above highlights how UV exposure in Kakamega 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.

Kakamega'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
Kakamega	15	16	16	16	13	12	12	13	14	14	13	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