Last updated: August 1, 2025
In Rumuruti, Kenya, understanding the UV Index is crucial for safeguarding your skin and overall health. With the region's Cfb climate, which often exposes residents to heightened UV levels, being aware of these measurements can significantly reduce the risk of sunburn and long-term skin damage. During peak hours, particularly between 11:00 AM and 1:00 PM, the UV Index can soar to a remarkable 12, indicating a very high risk of harm from unprotected sun exposure. Staying informed about UV levels empowers you to take proactive measures, ensuring you enjoy the sun safely while protecting your skin's health.
As the day unfolds, the UV Index reveals a dynamic dance of sunlight intensity. Starting off gently at 1 during the early hours, the index climbs steadily, reaching a manageable 4 by 9 AM. The ascent peaks drastically at 12 between 12 PM and 1 PM, signaling the sun's strength at its zenith. A gradual decline begins post-lunch, with the index dropping to 7 by 3 PM, then continuing its descent to 2 by 5 PM. As daylight wanes, the UV Index returns to safe levels, resting at 1 by 6 PM and finally tapering off to 0 by 7 PM. This hourly progression highlights the importance of sun safety, particularly during midday when the UV rays are at their most potent. Remember, protection during high UV Index hours is crucial!
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 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 13 | 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, seasonal UV changes indicate consistently high levels of UV radiation across every month, with an extreme exposure category and a quick burn time of just 10 minutes. The high-risk months are particularly prominent from January to April, where UV Index readings peak at 15 to 17. Visitors and residents are strongly advised to take preventive measures during these months, including wearing broad-spectrum sunscreen, protective clothing, and seeking shade when outdoors. Maintaining vigilance about sun exposure is essential year-round, as even the lower index months still reflect significant UV intensity.
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 |
Rumuruti | 15 | 16 | 17 | 16 | 14 | 12 | 12 | 13 | 14 | 14 | 13 | 13 |
Nakuru UVI | 16 | 17 | 17 | 17 | 14 | 12 | 13 | 14 | 15 | 15 | 14 | 14 |