UV index at 13.4 in Lusaka 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 Lusaka.
In Lusaka, Zambia, the UV index varies throughout the year. During the summer months (December to March), the UV index can reach very high levels, peaking at around 11 or higher. This means that sun protection is crucial to avoid skin damage and sunburn. Even in the cooler months (April to November), the UV index remains moderately high, ranging from 7 to 9. So, it's essential to use sunscreen, wear protective clothing, and limit sun exposure regardless of the season.
Lusaka experiences two distinct weather seasons. The rainy season, which occurs from November to April, brings heavy rainfall and high humidity. Temperatures during this period average around 25-30 °C (77-86 °F), providing relief from the intense heat. The dry season, from May to October, is characterized by warm, sunny days with temperatures ranging between 20-25 °C (68-77 °F). However, the nights can be chilly, dropping to around 10-15 °C (50-59 °F). It's important to pack appropriate clothing when visiting Lusaka to adapt to these two contrasting weather seasons.
Compared to its neighboring regions, Lusaka is known for its relatively high levels of sun exposure. With an average of about 300 sunny days per year, the city enjoys ample sunlight. Its geographical location, averaging at 1,277 meters (4,190 feet) above sea level, contributes to the region's exposure to direct sunlight. Therefore, when spending time outdoors in Lusaka, take precautions like seeking shade during peak sun hours, staying hydrated, and wearing sunscreen to protect yourself from the strong African sun.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Lusaka. It's designed to provide you with a better understanding of the yearly weather and sun exposure.