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December Weather in Perryville, United States

Last updated: June 24, 2025

In December, the average temperature in Perryville, United States hovers around 5°C (42°F), creating a crisp atmosphere. Expect minimums plummeting to -12°C (11°F) and maximums reaching up to 22°C (71°F). With approximately 132 mm (5.2 in) of precipitation spread over 10 days, be prepared for some rainy spells. The region typically experiences an average humidity of 88%, adding to the chilly yet refreshing ambiance.

December Temperature in Perryville

In December in Perryville, the average temperature is 5°C (42°F). Maximums can reach 22°C (71°F), while minimums can drop as low as -12°C (11°F). Be sure to pack layers to stay comfortable while exploring the varied weather conditions.

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

The chart illustrates December temperature patterns in Perryville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Perryville, December typically has an average temperature of 5°C (42°F), with highs reaching up to 22°C (71°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec364148566774787671614642
Data source: Temperature data for Perryville 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 Perryville

In Perryville in December, the total precipitation amount is 132 mm (5.2 in) over a span of 10 days.

December Precipitation Trends in Perryville

The chart displays monthly precipitation patterns in Perryville, 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 Perryville, December typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec9915314514912216910410312711392132
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Perryville

In Perryville in December humidity is 88%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less appealing and leading you to seek warmth indoors instead.

December Average Humidity in Perryville

This chart illustrates the average monthly humidity levels in Perryville, 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 Perryville is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Perryville

In Perryville in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Perryville, you can check the information here.

Maximum UV Index Levels in Perryville for December

The chart shows the monthly maximum UV Index (UVI) for Perryville 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 Perryville typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109753
Data source: Perryville 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 Perryville Compares to Other Months

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

This table compares monthly weather conditions in Perryville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)99 mm (3.9 inches)87%moderate
February Weather5°C (42°F)153 mm (6.0 inches)86%moderate
March Weather9°C (49°F)145 mm (5.7 inches)86%high
April Weather13°C (56°F)149 mm (5.9 inches)82%very high
May Weather20°C (68°F)122 mm (4.8 inches)82%very high
June Weather23°C (74°F)168 mm (6.6 inches)83%extreme
July Weather26°C (78°F)104 mm (4.1 inches)80%extreme
August Weather25°C (76°F)103 mm (4.1 inches)74%very high
September Weather22°C (72°F)127 mm (5.0 inches)71%very high
October Weather16°C (61°F)113 mm (4.4 inches)78%high
November Weather8°C (46°F)92 mm (3.6 inches)88%moderate
December Weather5°C (42°F)132 mm (5.2 inches)88%moderate

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