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December Weather in Monroeville, United States

Last updated: June 24, 2025

In December, the average temperature in Monroeville, United States hovers around 1°C (35°F). Expect a wide range, with minimums dipping to -21°C (-6°F) and maximums reaching up to 17°C (63°F). Be prepared for 60 mm (2.4 in) of precipitation over approximately 9 days, accompanied by an average humidity of 86%. Stay warm and enjoy the unique charm of this chilly season!

December Temperature in Monroeville

In December in Monroeville, the average temperature is 1°C (35°F). The maximum can reach 17°C (63°F), while the minimum can drop as low as -21°C (-6°F). Be prepared for a wide range of temperatures and pack accordingly when traveling to Monroeville in December.

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

The chart illustrates December temperature patterns in Monroeville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monroeville, December typically has an average temperature of 1°C (35°F), with highs reaching up to 17°C (63°F) and lows dropping to around -21°C (-6°F).
JanFebMarAprMayJunJulAugSepOctNovDec293141506372767368574135
Data source: Temperature data for Monroeville 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 Monroeville

In Monroeville in December, the total precipitation amount is 60 mm (2.4 in), occurring over a span of 9 days.

December Precipitation Trends in Monroeville

The chart displays monthly precipitation patterns in Monroeville, 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 Monroeville, December typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec74801019313013011110166958360
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Monroeville

In Monroeville in December, humidity is 86%. With an average temperature of 1°C (35°F), this humidity feels like a biting chill that wraps around you, making outdoor exploration uncomfortable and requiring extra layers to stay warm while navigating the damp air.

December Average Humidity in Monroeville

This chart illustrates the average monthly humidity levels in Monroeville, 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 Monroeville is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Monroeville

In Monroeville in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Monroeville, you can visit Hourly UV Index in Monroeville.

Maximum UV Index Levels in Monroeville for December

The chart shows the monthly maximum UV Index (UVI) for Monroeville 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 Monroeville typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35699101098642
Data source: Monroeville 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 Monroeville Compares to Other Months

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

This table compares monthly weather conditions in Monroeville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)74 mm (2.9 inches)88%moderate
February Weather-1°C (31°F)80 mm (3.2 inches)87%moderate
March Weather5°C (41°F)101 mm (4.0 inches)87%high
April Weather10°C (50°F)93 mm (3.7 inches)87%very high
May Weather17°C (63°F)130 mm (5.1 inches)81%very high
June Weather22°C (72°F)130 mm (5.1 inches)82%very high
July Weather24°C (76°F)110 mm (4.3 inches)81%very high
August Weather23°C (74°F)100 mm (4.0 inches)78%very high
September Weather20°C (68°F)66 mm (2.6 inches)78%very high
October Weather14°C (57°F)95 mm (3.7 inches)82%high
November Weather5°C (41°F)82 mm (3.2 inches)89%moderate
December Weather1°C (35°F)60 mm (2.4 inches)86%low

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