December Weather in Harper, Liberia

Last updated: August 23, 2025

In Harper, Liberia, the average temperature in December is a delightful 26°C (80°F). Expect a pleasant range with a minimum of 23°C (73°F) and a maximum of 31°C (87°F). This month also sees an average precipitation of 126 mm (5.0 in) over 27 days, coupled with a humidity level of 79%. Prepare for a warm and slightly wet experience!

December Temperature in Harper

In December in Harper, the average temperature is 26°C (80°F), with maximums reaching 31°C (87°F) and minimums dropping to as low as 23°C (73°F). This pleasant climate makes Harper an ideal destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates December temperature patterns in Harper, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harper, December typically has an average temperature of 26°C (80°F), with highs reaching up to 31°C (87°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec808080818078777777787979
Data source: Temperature data for Harper 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 Harper

In Harper in December, the precipitation amount is 126 mm (5.0 in) occurring over 27 days.

December Precipitation Trends in Harper

The chart displays monthly precipitation patterns in Harper, 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 Harper, December typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec92111162170300447189140358260173126
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Harper

In Harper in December, humidity is 79%. With an average temperature of 26°C (80°F), this humidity feels like an enveloping warm blanket, making travel feel slightly sluggish and prompting frequent hydration breaks to stay comfortable while exploring the sights.

December Average Humidity in Harper

This chart illustrates the average monthly humidity levels in Harper, 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 Harper is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%77%80%81%84%88%89%94%94%92%82%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Harper

In Harper in December, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Harper.

Maximum UV Index Levels in Harper for December

The chart shows the monthly maximum UV Index (UVI) for Harper 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 Harper typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111212151311111212121111
Data source: Harper 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 Harper Compares to Other Months

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

This table compares monthly weather conditions in Harper, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)92 mm (3.6 inches)74%extreme
February Weather27°C (81°F)111 mm (4.4 inches)77%extreme
March Weather27°C (80°F)162 mm (6.4 inches)79%extreme
April Weather27°C (81°F)170 mm (6.7 inches)81%extreme
May Weather27°C (80°F)300 mm (11.8 inches)84%extreme
June Weather26°C (79°F)447 mm (17.6 inches)88%extreme
July Weather25°C (78°F)189 mm (7.4 inches)89%extreme
August Weather25°C (77°F)140 mm (5.5 inches)93%extreme
September Weather25°C (78°F)358 mm (14.1 inches)94%extreme
October Weather26°C (79°F)260 mm (10.2 inches)92%extreme
November Weather26°C (79°F)173 mm (6.8 inches)82%extreme
December Weather26°C (80°F)126 mm (5.0 inches)79%extreme

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