December Weather in Monrovia, Liberia

Last updated: August 23, 2025

In December, the average temperature in Monrovia, Liberia is a warm 27°C (81°F), with minimums dropping to 23°C (74°F) and maximums peaking at 31°C (88°F). However, prepare for wet weather, as 109 mm (4.3 in) of precipitation falls over 26 days, contributing to an average humidity of 77%.

December Temperature in Monrovia

In December in Monrovia, the average temperature is 27°C (81°F). Maximums can reach 31°C (88°F), while minimums can be as low as 23°C (74°F). It's an ideal time for travelers to enjoy warm weather and outdoor activities.

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

The chart illustrates December temperature patterns in Monrovia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monrovia, December typically has an average temperature of 27°C (81°F), with highs reaching up to 31°C (88°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181818179787878798081
Data source: Temperature data for Monrovia 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 Monrovia

In Monrovia in December, the precipitation amount is 109 mm (4.3 in) occurring over the course of 26 days.

December Precipitation Trends in Monrovia

The chart displays monthly precipitation patterns in Monrovia, 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 Monrovia, December typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec82122171205379781487604634374206109
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Monrovia

In Monrovia in December, humidity is 77%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket, making travel feel sticky and heavy, as sweat clings to the skin and the air becomes thick, causing you to long for refreshing breezes and cool shade.

December Average Humidity in Monrovia

This chart illustrates the average monthly humidity levels in Monrovia, 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 Monrovia is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%76%79%83%84%88%89%93%94%91%83%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Monrovia

In Monrovia in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Monrovia.

Maximum UV Index Levels in Monrovia for December

The chart shows the monthly maximum UV Index (UVI) for Monrovia 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 Monrovia typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111212141311121213121010
Data source: Monrovia 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 Monrovia Compares to Other Months

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

This table compares monthly weather conditions in Monrovia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)81 mm (3.2 inches)71%extreme
February Weather27°C (81°F)122 mm (4.8 inches)76%extreme
March Weather27°C (81°F)171 mm (6.7 inches)79%extreme
April Weather27°C (82°F)205 mm (8.1 inches)83%extreme
May Weather27°C (81°F)379 mm (14.9 inches)84%extreme
June Weather26°C (79°F)781 mm (30.7 inches)88%extreme
July Weather25°C (78°F)487 mm (19.2 inches)89%extreme
August Weather25°C (78°F)604 mm (23.8 inches)93%extreme
September Weather25°C (78°F)634 mm (25.0 inches)94%extreme
October Weather26°C (79°F)374 mm (14.7 inches)91%extreme
November Weather27°C (80°F)206 mm (8.1 inches)83%very high
December Weather27°C (81°F)109 mm (4.3 inches)77%very high

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