UV Index in Mariakani, Kenya

Last updated: July 2, 2025

Understanding the UV Index is crucial for the residents of Mariakani, Kenya, where the sun's intensity can lead to serious skin health concerns. With UV levels peaking at an alarming 11 during midday, the risk of sunburn significantly increases, making it essential to protect your skin from harmful rays. In this tropical climate, where sunny days are the norm, staying informed about UV exposure not only helps prevent immediate skin damage but also reduces the long-term risk of skin-related issues. By knowing the UV Index for each hour, you can make informed decisions about outdoor activities, ensuring safety for you and your loved ones.

Hourly UV Index in Mariakani

The UV Index data reveals a dramatic progression of sun exposure throughout the day. Starting at a low of 1 at 07:00, the index begins to climb, hitting 2 by 08:00 and escalating sharply to 4 by 09:00. By 10:00, it soars to 7, reaching a peak of 11 at noon, the point at which sun protection becomes essential. After noon, the UV Index starts to decline gradually, dropping to 10 at 13:00, then 9 at 14:00, and continuing down to 6 by 15:00. As the evening approaches, the index falls further, winding down to 3 at 16:00 and returning to a safe 1 by 17:00 before settling to 0 by 19:00. This pattern highlights the importance of mindful sun exposure during peak hours, especially between 10:00 and 14:00.

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	10	very high	15 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 Mariakani

Throughout the year, the UV Index consistently remains high, indicating extreme exposure levels, particularly from January to April, where it peaks at 15. Monthly averages show that even during the summer months of June and July, the UV Index doesn't drop below 11, emphasizing the need for caution year-round. Visitors and residents should prioritize sun protection, particularly during the high-risk months of January through April, when the burn time is as short as 10 minutes. Regular use of sunscreen, protective clothing, and seeking shade are essential strategies to mitigate the risks associated with prolonged sun exposure in this region.

Monthly Maximum UV Index for Mariakani, Kenya

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

The table above highlights how UV exposure in Mariakani 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.

Mariakani'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
Mariakani	14	15	15	14	13	11	11	13	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