December weather forecastAlgiers, Algeria

Cloudy skies above Seaside Boulevard in Algiers, AlgeriaCloudy skies above Seaside Boulevard in Algiers, Algeria

December

Weather in December

December marks the arrival of winter in its fullness for Algiers. Rainfall peaks at 81mm (3.19"), making it one of the wettest months of the year. With crisp weather and reduced daylight hours, the festive atmosphere amplifies the city's charm. Despite the colder temperatures, Algiers offers plenty to see and do, from insightful museum visits to warm, cozy cafes.

Temperature

December brings a slight decrease in temperature, down from a pleasant 21°C (69.8°F) in November to an enjoyable 17.8°C (64°F). Throughout December, the temperature falls to an average low of 7.5°C (45.5°F).

Humidity

The average relative humidity in December is 81%.

Rainfall

In December, the rain falls for 11 days. Throughout December, 81mm (3.19") of precipitation is accumulated. Throughout the year, there are 90 rainfall days, and 518mm (20.39") of precipitation is accumulated.

Sea temperature

In Algiers, the average seawater temperature in December is 16.8°C (62.2°F).
Note: The majority of individuals do not enjoy swimming in water that is 16.8°C (62.2°F). Breathing control becomes more challenging as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 07:42 and sunset at 17:31. On the last day of the month, sunrise is at 08:00 and sunset at 17:41 CET.

Sunshine

With an average of 4.4h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

In December, in Algiers, the average high-temperature is 17.8°C (64°F), and the average low-temperature is 7.5°C (45.5°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in September is computed to be 35°C (95°F).

The average relative humidity in December is 81%.

In December, the rain falls for 11 days. Throughout December, 81mm (3.19") of precipitation is accumulated.

In Algiers, the average seawater temperature in December is 16.8°C (62.2°F). Swimming in 16.8°C (62.2°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

The month with the shortest days is December, with an average of 9h and 42min of daylight.

The average day length in December is 9h and 42min.

On the first day of December, sunrise is at 07:42 and sunset at 17:31. On the last day of the month, sunrise is at 08:00 and sunset at 17:41 CET.

With an average of 4.4h of sunshine, December has the least sunshine of the year.

In December, the average sunshine duration is 4.4h.

The months with the lowest UV index are January and December, with an average maximum UV index of 2.

In Algiers, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average sunshine
Average UV index

Average temperature in December
Algiers, Algeria

  • Average high temperature in December: 17.8°C

The warmest month (with the highest average high temperature) is August (32.3°C).
The month with the lowest average high temperature is January (16.7°C).

  • Average low temperature in December: 7.5°C

The month with the highest average low temperature is August (20°C).
The coldest month (with the lowest average low temperature) is January (5.8°C).

Average humidity in December
Algiers, Algeria

  • Average humidity in December: 81%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (71%).

Average rainfall in December
Algiers, Algeria

  • Average rainfall in December: 80.7mm

The wettest month (with the highest rainfall) is November (85.7mm).
The driest month (with the least rainfall) is July (3mm).

Average rainfall days in December
Algiers, Algeria

  • Average rainfall days in December: 11 days

The months with the highest number of rainy days are January, March and December (11 days).
The months with the least rainy days are July and August (2 days).

Average sea temperature in December
Algiers, Algeria

  • Average sea temperature in December: 16.8°C

The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is February (14.8°C).

Average daylight in December /
Average sunshine in December
Algiers, Algeria

  • Average daylight in December: 9h and 42min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 4h and 24min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).

Average UV index in December
Algiers, Algeria

  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).