UV index at 14 in Windhoek 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 Windhoek.
The UV index in Windhoek, Namibia, can reach high levels throughout the year. During the summer months, from November to February, the UV index can often reach extreme values of 11 or more (extreme). Even during the cooler months, from May to August, the UV index can still be moderate to high, ranging from 5 to 7 (moderate to high). It is important to protect your skin by wearing sunscreen, hats, and sunglasses when exposed to the sun in Windhoek.
Windhoek experiences distinct seasons throughout the year. The summer season, from November to February, is hot with average temperatures ranging from 26 °C to 34 °C (79 °F to 93 °F). Winter, from May to August, is mild with average temperatures between 7 °C to 22 °C (45 °F to 72 °F). Spring and autumn months are transitional, with temperatures ranging from 15 °C to 28 °C (59 °F to 82 °F). It is advisable to pack accordingly when visiting Windhoek, as temperatures can vary significantly between seasons.
Compared to other regions, Windhoek, as the capital of Namibia, experiences higher sun exposure. Due to its location in the southern hemisphere and the presence of the Namib Desert to the west, the city receives a high amount of direct sunlight. This, combined with the high elevation of Windhoek, increases the sun's strength and UV radiation. It is important to take precautions such as wearing protective clothing and seeking shade during the hottest hours of the day to minimize the risk of sunburn and overexposure.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Windhoek. It's designed to provide you with a better understanding of the yearly weather and sun exposure.