December weather forecast
Lusaka, Zambia

The last month of the calendar year, December, comes with a continued trend of summer temperatures, settling to a warm 27.4°C (81.3°F). With increased rainfall reaching 145mm (5.71"), it embodies the ambiance of monsoons. The winter sun shines brightly, offering 9.7 hours of sunlight per day. The wind maintains a steady pace, contributing to a pleasant climate amidst the variance between summer heat and rainfall. The unique merging of these traits attracts both residents and visitors to experience this climatic blend in Lusaka.

Temperature

With the arrival of December, Lusaka's average high-temperature registers at a warm 27.4°C (81.3°F), indicating a subtle variation from the previous month. Lusaka, in the month of December, anticipates a consistent average low-temperature of 19.1°C (66.4°F).

Heat index

Throughout December, the heat index is estimated at a hot 30°C (86°F). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

In Lusaka, Zambia, the average relative humidity in December is 75%.

Rainfall

In Lusaka, during December, the rain falls for 24.3 days and regularly aggregates up to 145mm (5.71") of precipitation. In Lusaka, during the entire year, the rain falls for 141.1 days and collects up to 642mm (25.28") of precipitation.

Daylight

December has the longest days of the year in Lusaka, with an average of 13h and 0min of daylight.
On the first day of the month, sunrise is at 05:26 and sunset at 18:25. On the last day of December, sunrise is at 05:39 and sunset at 18:40 CAT.

Sunshine

The average sunshine in December is 9.7h.

UV index

The average daily maximum UV index in December in Lusaka, Zambia, is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 6 in December translates into this advice:
Shield from overexposure. Defense against sun-related harm is required. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.