Last updated: July 2, 2025
Being aware of the UV Index is crucial for residents and visitors in Nyeri, Kenya, a region known for its pleasant Csb climate. Understanding the UV levels throughout the day can significantly impact your skin health and help prevent painful sunburns. In Nyeri, the UV Index peaks between 11:00 AM and 1:00 PM, reaching values as high as 13. This means that during these hours, the risk of overexposure to harmful ultraviolet rays is particularly elevated. By staying informed about daily UV levels, you can make smart decisions to protect your skin and enjoy the beauty of Nyeri safely.
As the sun rises, the UV Index starts at a gentle 1 by 07:00, signaling a mild risk for skin exposure. By 09:00, it elevates to 4, indicating it’s time to be cautious if you’re outdoors. The intensity peaks dramatically at 12:00, hitting a staggering 12, showcasing the power of midday sun. As the afternoon progresses, the UV Index reaches its maximum at 13 around 13:00, demanding protective measures for anyone outside. A steady decline follows, dropping to 4 by 16:00 and fading to a soft 1 by 18:00. By 19:00, it finally settles at 0, safely allowing for evening activities without concern. Enjoy the sun, but remember to protect your skin during those peak hours!
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 | 13 | extreme | 10 min |
14:00 | 11 | extreme | 10 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 |
Throughout the year, UV Index levels remain alarmingly high, consistently categorized as extreme, with the index peaking in the early months. January to April exhibit UV Index values of 16 to 17, indicating that exposure during these months can lead to skin burns in as little as 10 minutes. The risk remains high even as summer approaches, dipping slightly to 12 to 14 from June to October, but still necessitates caution. July and August see particularly high levels again at 13 to 14. As a result, both residents and visitors are advised to take protective measures all year round, especially during these high-risk months. Always wear sunscreen, protective clothing, and sunglasses during peak sunlight hours to ensure safety from harmful UV radiation.
UV Risk Categories
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 |
Nyeri | 16 | 17 | 17 | 16 | 14 | 12 | 13 | 14 | 15 | 14 | 14 | 14 |
Nakuru UVI | 16 | 17 | 17 | 17 | 14 | 12 | 13 | 14 | 15 | 15 | 14 | 14 |