Freetown
Sierra Leone
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Freetown, Sierra Leone

The hilly seaside city of Freetown in Sierra Leone, with calm waters on sunny dusk
The hilly seaside city of Freetown in Sierra Leone, with calm waters on sunny dusk
The first month of the winter, December, is also a moderately hot month in Freetown, Sierra Leone, with average temperature varying between 29.7°C (85.5°F) and 24.1°C (75.4°F).

Temperature

In December, the average high-temperature is almost the same as in November - a moderately hot 29.7°C (85.5°F). In December, the average low-temperature is 24.1°C (75.4°F).

Humidity

In December, the average relative humidity in Freetown is 69%.

Rainfall

In Freetown, during December, the rain falls for 2 days and regularly aggregates up to 15.9mm (0.6") of precipitation. In Freetown, during the entire year, the rain falls for 152 days and collects up to 2945.3mm (116") of precipitation.

Sea temperature

November and December, with an average sea temperature of 28.8°C (83.8°F), are months with the warmest seawater. For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

December has the shortest days of the year in Freetown, Sierra Leone, with an average of 11.6h of daylight.

Sunshine

The average sunshine in Freetown is 5.2h.

UV index

With an average maximum UV index of 10, December is the month with the lowest UV index. A UV Index of 8 to 10 symbolizes a very high threat to health from the exposure to the Sun's UV rays for the average person.
In December, the average maximum UV index of 10 translate into the following recommendations:
Take extra precautions. Protection against sun damage is required. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in December in Freetown?

In December, in Freetown, the average high-temperature is 29.7°C (85.5°F), and the average low-temperature is 24.1°C (75.4°F).

What is the average humidity in December in Freetown?

In Freetown, Sierra Leone, the average relative humidity in December is 69%.

How much does it rain in Freetown in December?

In December, in Freetown, Sierra Leone, the rain falls for 2 days. Throughout December, 15.9mm (0.6") of precipitation is accumulated.

What are the months with the warmest sea water in Freetown?

Months with the warmest seawater in Freetown are November and December, with an average sea temperature of 28.8°C (83.8°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the sea water temperature in December in Freetown?

In Freetown, Sierra Leone, in December, the average water temperature is 28.8°C (83.8°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the month with the shortest days in Freetown?

With an average of 11.6h of daylight, December has the shortest days of the year in Freetown.

How many hours of daylight does Freetown have in December?

In December, the average length of the day in Freetown is 11.6h.

How many hours of sunshine does Freetown have in December?

The average sunshine in December is 5.2h.

What is the month with the lowest UV index in Freetown?

December is the month with the lowest UV index in Freetown, with an average maximum UV index of 10.

What is the UV index reading in December in Freetown?

The average daily maximum UV index in December in Freetown is 10. A UV Index value of 8 to 10 symbolizes a very high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in December - Freetown, Sierra Leone
  • Average high temperature in December: 29.7°C

The warmest month (with the highest average high temperature) is April (31.2°C).
The month with the lowest average high temperature is August (28.4°C).

  • Average low temperature in December: 24.1°C

The month with the highest average low temperature is April (24.8°C).
The coldest month (with the lowest average low temperature) is August (23°C).

Average humidity in December - Freetown, Sierra Leone
  • Average humidity in December: 69%

The month with the highest relative humidity is August (82%).
The month with the lowest relative humidity is January (66%).

Average rainfall in December - Freetown, Sierra Leone
  • Average rainfall in December: 15.9mm

The wettest month (with the highest rainfall) is August (791.1mm).
The driest month (with the lowest rainfall) is January (3.4mm).

Average rainfall days in December - Freetown, Sierra Leone
  • Average rainfall days in December: 2 days

Months with the highest number of rainy days are July and August (27 days).
Months with the lowest number of rainy days are January and February (0 days).

Average sea temperature in December - Freetown, Sierra Leone
  • Average sea temperature in December: 28.8°C

Best months for swimming (with the highest average sea temperature) are November and December (28.8°C).
The coldest month (with the lowest average sea temperature) is August (27.3°C).

Average daylight in December / Average sunshine in December - Freetown, Sierra Leone
  • Average daylight in December: 11.6h

Months with the longest days are June and July (Average daylight: 12.6h).
The month with shortest days is December (Average daylight: 11.6h).

  • Average sunshine in December: 5.2h

The month with most sunshine is February (Average sunshine: 7.7h).
The month with least sunshine is August (Average sunshine: 2.8h).

Average UV index in December - Freetown, Sierra Leone
  • Average UV index in December: 10

Months with the highest UV index are February, March, April, May, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).