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December Weather in Brazzaville, Congo

Last updated: August 23, 2025

The average temperature in Brazzaville, Congo during December hovers around 26°C (78°F). Expect a minimum of 21°C (70°F) and a maximum of 33°C (91°F). Over the month, the area typically receives 172 mm (6.8 in) of precipitation, spread over 25 days, contributing to an average humidity of a striking 92%.

December Temperature in Brazzaville

In December in Brazzaville, the average temperature is 26°C (78°F). Maximums can reach 33°C (91°F), while minimums can drop to 21°C (70°F). This comfortable range makes it an ideal time for traveling and exploring the local attractions.

December Weather in Brazzaville: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Brazzaville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brazzaville, December typically has an average temperature of 26°C (78°F), with highs reaching up to 33°C (91°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec798080807977757779797978
Data source: Temperature data for Brazzaville generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Brazzaville

In Brazzaville, in December, the precipitation amount is 172 mm (6.8 in) over a span of 25 days.

December Precipitation Trends in Brazzaville

The chart displays monthly precipitation patterns in Brazzaville, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Brazzaville, December typically receives around 172 mm (6.8 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec991271011298563724157193172
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Brazzaville

In Brazzaville in December, humidity is 92%. With an average temperature of 26°C (78°F), this humidity feels like walking through a warm, damp blanket, making outdoor activities challenging and requiring frequent breaks to hydrate and cool down.

December Average Humidity in Brazzaville

This chart illustrates the average monthly humidity levels in Brazzaville, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Brazzaville is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%86%87%88%86%77%74%78%87%91%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Brazzaville

In Brazzaville in December, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Brazzaville.

Maximum UV Index Levels in Brazzaville for December

The chart shows the monthly maximum UV Index (UVI) for Brazzaville in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Brazzaville typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1313141311881010121312
Data source: Brazzaville December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Brazzaville Compares to Other Months

Weather in Brazzaville varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Brazzaville, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Brazzaville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)99 mm (3.9 inches)88%extreme
February Weather26°C (80°F)127 mm (5.0 inches)88%extreme
March Weather27°C (80°F)101 mm (4.0 inches)86%extreme
April Weather27°C (80°F)129 mm (5.1 inches)87%extreme
May Weather26°C (80°F)85 mm (3.3 inches)88%extreme
June Weather25°C (77°F)6 mm (0.2 inches)86%very high
July Weather24°C (75°F)3 mm (0.1 inches)77%very high
August Weather25°C (77°F)7 mm (0.3 inches)74%very high
September Weather26°C (79°F)24 mm (0.9 inches)78%very high
October Weather26°C (79°F)157 mm (6.2 inches)87%extreme
November Weather26°C (79°F)193 mm (7.6 inches)91%extreme
December Weather26°C (78°F)172 mm (6.8 inches)92%extreme

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