Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents of Nyahururu, Kenya, where the sun's intensity can pose significant risks to skin health. With UV levels peaking at a staggering 12 during midday hours, awareness is key to preventing sunburn and long-term skin damage. Nyahururu, characterized by its cool, temperate climate, still experiences notable UV exposure, particularly from 10 AM to 2 PM, making it essential for locals and visitors alike to stay informed and protect themselves from harmful rays. By keeping an eye on the UV Index, you can enjoy Nyahururu’s beautiful outdoors while prioritizing your health and well-being.
As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 07:00 before gradually climbing to a moderate 2 by 08:00. The real intensity kicks in as the clock strikes 10:00, when the index reaches a noteworthy 7. By 11:00, it peaks at an extreme 10, and just after noon, it hits the highest point of the day at an impressive 12. This intense UV exposure continues until 13:00, where it remains steady at 12. As the afternoon progresses, the index starts to decline, dropping to 10 at 14:00, then tapering off to 7 by 15:00. The UV Index continues to decrease, reaching 4 at 16:00 and returning to a low of 1 by the evening, with the sun slipping below the horizon at 19:00, leaving a safe UV reading of 0.
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 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, the UV Index in our region consistently remains in the extreme category, with values ranging from 12 to 17. The months of January through April and September showcase the highest values, particularly February and March, which peak at 17, making these the highest risk months for skin damage. Visitors and residents are strongly advised to take precautions during these periods, such as seeking shade, wearing protective clothing, and applying high-SPF sunscreen if outdoor activities are unavoidable. Even in the relatively lower months of June through November, the UV risk remains elevated, with a continual burn time of just 10 minutes across all months. Staying vigilant is essential for health and safety throughout the year.
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 |
Nyahururu | 16 | 17 | 17 | 16 | 14 | 12 | 13 | 13 | 15 | 14 | 14 | 14 |
Nakuru UVI | 16 | 17 | 17 | 17 | 14 | 12 | 13 | 14 | 15 | 15 | 14 | 14 |