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

Lusaka's transition from November to December introduces an average high-temperature of a warm 27.4°C (81.3°F), marking an insignificant variation from the 30.1°C (86.2°F). Lusaka's temperature tends to fall to an average low of 19.1°C (66.4°F) during the nights of December.

Heat index

The heat index for December is evaluated at a tropical 30°C (86°F). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
Note that heat index values are valued for light wind and location in the shade. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

The average relative humidity in December is 75%.

Rainfall

In Lusaka, in December, during 24.3 rainfall days, 145mm (5.71") of precipitation is typically accumulated. 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, with an average of 13h and 0min of daylight.
On the first day of December, sunrise is at 05:26 and sunset at 18:25. On the last day of the month, sunrise is at 05:39 and sunset at 18:40 CAT.

Sunshine

In December, the average sunshine is 9.7h.

UV index

The average daily maximum UV index in December in Lusaka is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the UV index of 6 transforms into the following advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.