Brazzaville
Congo
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Brazzaville, Congo

Beautiful orange flower petals in front of the National Library in Brazzaville, Congo, with a raised flag
Beautiful orange flower petals in front of the National Library in Brazzaville, Congo, with a raised flag
The first month of the summer, December, is still a hot month in Brazzaville, Congo, with average temperature ranging between min 21°C (69.8°F) and max 31°C (87.8°F).

Temperature

In Brazzaville, the average high-temperature remains the same as in November - a still tropical 31°C (87.8°F). In December, the average low-temperature is 21°C (69.8°F).

Rainfall

In December, in Brazzaville, Congo, the rain falls for 15 days. Throughout December, 142mm (5.6") of precipitation is accumulated. Throughout the year, in Brazzaville, Congo, there are 111 rainfall days, and 1358mm (53.5") of precipitation is accumulated.

Daylight

With an average of 12.4h of daylight, December has the longest days of the year in Brazzaville.

Sunshine

Months with the least sunshine in Brazzaville are January, June, July, September and December, with an average of 4h of sunshine.

UV index

Months with the highest UV index are January through April, August through December, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from the exposure to the Sun's UV radiation for the average person.
Note: In December, the average maximum UV index of 12 translate into the following recommendations:
Take all necessary precautions, as unprotected skin can burn in minutes. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim.

What is the temperature in December in Brazzaville?

In December, the average high-temperature is 31°C (87.8°F), and the average low-temperature is 21°C (69.8°F).

How much does it rain in Brazzaville in December?

In Brazzaville, in December, it is raining for 15 days, with typically 142mm (5.6") of accumulated precipitation.

When are the longest days in Brazzaville?

With an average of 12.4h of daylight, December has the longest days of the year in Brazzaville, Congo.

What is the average length of the day in December in Brazzaville?

In December, the average length of the day in Brazzaville, Congo, is 12.4h.

What is the month with the least sunshine in Brazzaville?

Months with the least sunshine are January, June, July, September and December, with an average of 4h of sunshine.

How many hours of sunshine does Brazzaville have in December?

In Brazzaville, Congo, the average sunshine in December is 4h.

What are the months with the highest UV index in Brazzaville?

Months with the highest UV index are January through April, August through December, with an average maximum UV index of 12.

What is the UV index reading in December in Brazzaville?

In Brazzaville, the average daily maximum UV index in December is 12. A UV Index of 11, and more, symbolizes an ultimate hazard to health from the exposure to the Sun's UV radiation.
Average temperature in December - Brazzaville, Congo
  • Average high temperature in December: 31°C

Warmest months (with the highest average high temperature) are March and April (33°C).
The month with the lowest average high temperature is July (28°C).

  • Average low temperature in December: 21°C

The month with the highest average low temperature is April (22°C).
The coldest month (with the lowest average low temperature) is July (17°C).

Average rainfall in December - Brazzaville, Congo
  • Average rainfall in December: 142mm

The wettest month (with the highest rainfall) is November (222mm).
Driest months (with the lowest rainfall) are July and August (3mm).

Average rainfall days in December - Brazzaville, Congo
  • Average rainfall days in December: 15 days

Months with the highest number of rainy days are April and November (16 days).
The month with the lowest number of rainy days is July (0 days).

Average daylight in December / Average sunshine in December - Brazzaville, Congo
  • Average daylight in December: 12.4h

The month with the longest days is December (Average daylight: 12.4h).
Months with shortest days are May, June and July (Average daylight: 11.9h).

  • Average sunshine in December: 4h

Months with most sunshine are February, March, April, May, August, October and November (Average sunshine: 5h).
Months with least sunshine are January, June, July, September and December (Average sunshine: 4).

Average UV index in December - Brazzaville, Congo
  • Average UV index in December: 12

Months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 10).