Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Londiani, Kenya, where the sun's rays can pose serious health risks. With peak UV levels often reaching 12 during the day, awareness of these measurements is essential for effective sunburn prevention and maintaining long-term skin health. Londiani's Af climate brings a mix of warm temperatures and elevated solar exposure, particularly from 10 AM to 2 PM, when UV radiation can be at its most dangerous. By staying informed about the UV Index, you can better protect yourself and enjoy the beautiful Kenyan outdoors safely.
The UV Index data reveals a sharply rising trend throughout the morning, with the values starting at a mild 1 at 07:00 and 08:00 before swiftly climbing to 4 by 09:00. The intensity peaks dramatically at 12:00, reaching a maximum of 12, indicating a substantial risk of harm from unprotected sun exposure. The UV Index holds at a high of 13 during 13:00, reminding us to seek shade and wear protective clothing. As the afternoon progresses, the UV levels dip to 11 at 14:00, then gradually decrease to 8, 4, and finally settle at 1 by the evening hours. With the sun setting by 19:00, the index drops to 0, ushering in a much safer time for outdoor activities. Stay sun-safe!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | 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 | 8 | very high | 15 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, the UV Index remains extremely high across all months, peaking in January through April, with an index of 17 and a burn time of just 10 minutes. July and August show slightly lower indices of 13 and 14, respectively, yet still pose significant risk. January to April are particularly high-risk months for sun exposure, necessitating vigilance. Residents and visitors are strongly advised to take precautionary measures during these months, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade whenever possible to minimize the risk of harmful UV exposure. As the UV levels remain elevated throughout the year, caution is essential for outdoor activities.
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 |
Londiani | 16 | 17 | 17 | 17 | 14 | 12 | 13 | 14 | 15 | 15 | 14 | 14 |
Nakuru UVI | 16 | 17 | 17 | 17 | 14 | 12 | 13 | 14 | 15 | 15 | 14 | 14 |