UV Index in Lamu, Kenya

Last updated: July 2, 2025

Understanding the UV Index in Lamu, Kenya, is crucial for residents and visitors alike, as it serves as a vital indicator of ultraviolet radiation levels from the sun. Being aware of these levels empowers individuals to take necessary precautions against sunburn and long-term skin damage, ensuring their skin health is prioritized. With Lamu's tropical climate and high UV exposure, especially during peak hours when the index can soar to 11, it is essential to stay informed and protected. By monitoring the UV index, you can enjoy Lamu's beautiful sunny beaches while safeguarding your skin from harmful effects.

Hourly UV Index in Lamu

The UV Index for the day presents a clear picture of sun intensity, starting off gentle in the early hours. At 7:00 AM, it begins at a mild 1, increasing to 2 by 8:00 AM. As the sun rises higher, the index climbs rapidly; by 10:00 AM, it reaches 7 and peaks at an intense 11 around 12:00 PM and 1:00 PM. After this zenith, the levels gradually decline, dropping to 9 by 2:00 PM, 6 at 3:00 PM, and settling back to a safe 1 by 5:00 PM. The UV exposure diminishes further, reaching a low of 0 by 7:00 PM. Stay protected 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	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	10	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	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 Lamu

The UV Index in this region remains consistently high throughout the year, with extreme exposure levels noted from January to March, when values peak at 15. The peak months for UV exposure are March and April, which still maintain an index of 15, indicating a burn time of just 10 minutes. Other months, including May to September, experience slightly lower indices (ranging from 11 to 13), but still pose significant risk. Notably, from October to December, the UV Index remains elevated, ranging from 12 to 13. As such, it is crucial for visitors and residents to take precautions—such as wearing sunscreen, protective clothing, and seeking shade during peak hours—year-round, especially during these high-risk months.

Monthly Maximum UV Index for Lamu, Kenya

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

The table above highlights how UV exposure in Lamu 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.

Lamu'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
Lamu	14	14	15	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