UV Index in Voi, Kenya

Last updated: July 2, 2025

Understanding the UV Index is crucial for the residents of Voi, Kenya, as it plays a significant role in safeguarding skin health and preventing sunburn. With Voi’s Aw climate zone, the region experiences varied UV exposure throughout the day, peaking at a remarkable 11 between noon and 1 PM. By being aware of UV levels, locals can take proactive measures to minimize their risk of skin damage, especially during the sun’s most intense hours. Stay informed and protect your skin in this vibrant Kenyan locale!

Hourly UV Index in Voi

At dawn, the UV Index starts at a gentle 1 by 7:00 AM, gradually rising as the sun climbs higher in the sky. By 9:00 AM, it reaches a moderate 4, urging early risers to stay vigilant. The intensity peaks at noon, hitting a scorching 11, indicating a high risk of harm from unprotected sun exposure. This peak continues until 1:00 PM, where it remains at 11 before beginning its descent. The afternoon sees a noticeable drop, with the index falling to 6 by 3:00 PM and further decreasing to 3 by 4:00 PM. As the day winds down, the UV Index drops to a safe 1 by 5:00 PM and finally falls to 0 by 7:00 PM, signaling the end of the sun's powerful rays. Stay informed and protect your skin 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	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	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 Voi

The UV Index in this region remains consistently extreme throughout the year, with particularly high values from January to April (peaking at 16), indicating that residents and visitors should be vigilant against sun exposure during these months. Even in the summer months of June and July, when the UV Index drops slightly to 11, a burn time of just 10 minutes remains critical. As a general rule, from January to September, conditions are classified as high-risk, necessitating protective measures such as wearing sunscreen, hats, and protective clothing. It's essential to maintain awareness of the weather and UV levels, especially during outdoor activities, to minimize the risk of skin damage year-round.

Monthly Maximum UV Index for Voi, Kenya

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

The table above highlights how UV exposure in Voi 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.

Voi'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
Voi	15	16	16	15	13	11	11	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