UV Index
UV Index
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Today's UV index in Nairobi, Kenya 
will be up to 14.3, indicating extreme risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.
UV index at 14.3 in Nairobi means extreme risk; limit outdoor time from 10 a.m. to 4 p.m., use shade, protective clothing, SPF 30+ sunscreen, and sunglasses; watch for bright surfaces like water and snow increasing UV exposure.
Read more here about the climate and sun exposure in and around Nairobi.
The UV index in Nairobi, Kenya, can range from moderate to high levels throughout the year. On average, the UV index is around 8 (very high) during peak sun hours. This means it's important to protect your skin by wearing sunscreen, sunglasses, and a hat to avoid sunburns and potential skin damage.
Nairobi experiences two main weather seasons: the dry season and the rainy season. The dry season lasts from January to February and July to September, while the rainy season occurs from March to June and October to December. During the dry season, temperatures can reach around 25-30 °C (77-86 °F), with low humidity. In contrast, the rainy season brings cooler temperatures, averaging around 20-25 °C (68-77 °F), with occasional rainfall.
Compared to its region, Nairobi enjoys a relatively comfortable climate. It experiences mild temperatures throughout the year, with an average annual temperature of 19-25 °C (66-77 °F). Nairobi's high elevation of approximately 1,795 meters (5,889 feet) above sea level moderates the temperature, making it cooler than other areas in the region. However, due to its proximity to the equator, Nairobi still receives a significant amount of sun exposure, emphasizing the need for sun protection measures.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Nairobi. It's designed to provide you with a better understanding of the yearly weather and sun exposure.