UV Index in Kwale, Kenya

Last updated: July 2, 2025

Understanding the UV Index in Kwale, Kenya is essential for protecting your skin and overall health. With the region's typically high UV exposure due to its equatorial location, awareness of UV levels can significantly reduce the risk of sunburn and long-term skin damage. During the sun's peak hours, especially around midday, the UV Index can soar to alarming levels, reaching as high as 11 at noon. By learning about these daily changes, you can take proactive measures to enjoy the beautiful tropical climate safely and keep your skin healthy.

Hourly UV Index in Kwale

The UVI hourly data paints a vivid picture of the sun's intensity throughout the day. Starting with a gentle rise at 07:00 with a UV Index of 1, the day quickly gains momentum. By 09:00, it climbs to 4, but the real surge occurs between 10:00 and 12:00, where it peaks at a striking 11—a clear warning for those venturing out. As the afternoon unfolds, the index gradually decreases from 10 at 13:00 to a more manageable 8 by 14:00, before cascading down to 1 by 17:00. Finally, as twilight sets in, the UV Index drops to a 0 by 19:00, offering a relief from the sun’s earlier aggression. Be mindful of those peak hours, especially around midday!

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	6	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	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 Kwale

Throughout the year, UV Index values exhibit a consistent pattern of high to extreme readings, particularly from January to April, where levels reach up to 15 in March. The highest risk months are clearly identified as March and July, with UV indices remaining in the extreme range. Exposure times for maximum burn vary, with quick burn times of around 10 minutes during most months, increasing slightly to 15 minutes in June. To protect against harmful UV radiation, it is crucial for both visitors and residents to take preventive measures. This includes wearing sunscreen, seeking shade, and donning protective clothing during these months, especially when engaging in outdoor activities. Stay vigilant, particularly during the spring and summer peaks, to minimize the risk of skin damage.

Monthly Maximum UV Index for Kwale, Kenya

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

The table above highlights how UV exposure in Kwale 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.

Kwale'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
Kwale	14	14	15	14	12	10	11	12	13	13	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