UV Index in Isiolo, Kenya

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Isiolo, Kenya—a region characterized by its warm, sunny climate that presents unique sun exposure challenges. As ultraviolet (UV) radiation levels can soar to a maximum of 12 during midday, being aware of these fluctuations is vital for preventing sunburns and protecting your skin health. With the UV Index often passing the moderate threshold, knowing when to seek shade or apply sunscreen can make all the difference in safeguarding your well-being. Stay informed and enjoy the beautiful Isiolo sun safely!

Hourly UV Index in Isiolo

The UV Index for today displays a notable increase, reaching its peak at 12 between 12:00 PM and 1:00 PM, signaling a high risk of harm from unprotected sun exposure. As the day begins, the index starts at a mild 1 at 7:00 AM, gradually climbing to 4 by 9:00 AM. A sharp rise occurs by 10:00 AM, hitting 7, before soaring to an intense 10 at 11:00 AM. After the zenith from 12:00 PM to 1:00 PM, the index gradually declines, dipping to 7 by 3:00 PM, then back down to 4 at 4:00 PM, before closing the day at 0 by 7:00 PM. With such elevated UV levels during the midday hours, it’s crucial to take precautions—seek shade, wear protective clothing, and apply sunscreen to ensure safety while enjoying the outdoors!

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	12	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 Isiolo

The UV Index displays high levels of solar radiation throughout the year, with extreme exposure categories persisting from January through December. Notably, the highest UV Index values occur in February and March, reaching 16, indicating a risk of severe sunburn within just 10 minutes of exposure. Other high-risk months include January and April, both at 15, and May at 14. Even during the summer months of June and July, the UV Index remains at extreme levels of 12. For both visitors and residents, it is crucial to take sun safety precautions year-round, especially during these high UV months. Recommendations include applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade to minimize risk of skin damage.

Monthly Maximum UV Index for Isiolo, Kenya

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

The table above highlights how UV exposure in Isiolo 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.

Isiolo'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
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
Isiolo	15	16	16	15	14	12	12	13	14	14	13	13
Nakuru UVI	16	17	17	17	14	12	13	14	15	15	14	14