Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Limuru, Kenya, where even a seemingly mild climate can expose you to harmful ultraviolet rays. The UV levels here can soar, peaking at 12 around noon, which underscores the importance of being aware of daily UV exposure to prevent sunburn and protect skin health. With Limuru’s temperate climate, characterized by moderate rainfall and cool temperatures, it’s easy to underestimate the intensity of the sun. However, as the UV Index shows, even short periods of unprotected sun exposure during peak hours can lead to significant skin damage. Stay informed and take protective measures to enjoy the outdoors safely!
The UV Index for today displays a notable increase, reaching its peak at 12 between 12:00 PM and 1:00 PM, signaling a high risk of harm from unprotected sun exposure. As the day begins, the index starts at a mild 1 at 7:00 AM, gradually climbing to 4 by 9:00 AM. A sharp rise occurs by 10:00 AM, hitting 7, before soaring to an intense 10 at 11:00 AM. After the zenith from 12:00 PM to 1:00 PM, the index gradually declines, dipping to 7 by 3:00 PM, then back down to 4 at 4:00 PM, before closing the day at 0 by 7:00 PM. With such elevated UV levels during the midday hours, it’s crucial to take precautions—seek shade, wear protective clothing, and apply sunscreen to ensure safety while enjoying the outdoors!
| 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 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index experiences consistently high levels throughout the year, with values peaking from January to April, where the index ranges between 15 and 17, indicating extreme exposure risk and a burn time of just 10 minutes. These months are particularly critical for both visitors and residents, who should take strong precautions against sun exposure, including wearing protective clothing and applying sunscreen frequently. While the index shows a slight decrease during the summer months of June to August, it still remains in the extreme category, emphasizing the need for continued vigilance. September to December maintain similar levels, with UV Index values between 13 and 14, thus reminding everyone that sun safety should be a priority year-round. Staying educated about seasonal UV variations and focusing on preventive measures is crucial for outdoor activities in this region.
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 |
| Limuru | 15 | 16 | 17 | 16 | 14 | 12 | 12 | 13 | 14 | 14 | 13 | 14 |
| Nakuru UVI | 16 | 17 | 17 | 17 | 14 | 12 | 13 | 14 | 15 | 15 | 14 | 14 |