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December Weather in Allison Park, United States

Last updated: June 24, 2025

In Allison Park, United States, the average temperature in December is a brisk 2°C (36°F). While temperatures can dip as low as -16°C (4°F), they can occasionally peak at a mild 18°C (65°F). This month brings an average precipitation of 102 mm (4.0 in) spread over 12 days, contributing to a high average humidity of 86%.

December Temperature in Allison Park

In December in Allison Park, the average temperature is 2°C (36°F), with maximums reaching 18°C (65°F) and minimums dipping as low as -16°C (4°F). Travelers should be prepared for a wide range of temperatures, making versatile clothing essential for enjoying the varied weather.

December Weather in Allison Park: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Allison Park, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Allison Park, December typically has an average temperature of 2°C (36°F), with highs reaching up to 18°C (65°F) and lows dropping to around -16°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec313541516270757367574236
Data source: Temperature data for Allison Park 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 Allison Park

In Allison Park in December, the total precipitation amount is 102 mm (4.0 in), occurring over a span of 12 days.

December Precipitation Trends in Allison Park

The chart displays monthly precipitation patterns in Allison Park, 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 Allison Park, December typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec951261091321511551548912812894102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Allison Park

In Allison Park in December, humidity is 86%. With an average temperature of 2°C (36°F), this humidity feels like a biting chill that clings to your skin, making outdoor exploration uncomfortable and dampening any enthusiasm for travel.

December Average Humidity in Allison Park

This chart illustrates the average monthly humidity levels in Allison Park, 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 Allison Park is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Allison Park

In Allison Park 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 Allison Park, you can visit Hourly UV Index in Allison Park.

Maximum UV Index Levels in Allison Park for December

The chart shows the monthly maximum UV Index (UVI) for Allison Park 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 Allison Park typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Allison Park 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 Allison Park Compares to Other Months

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

This table compares monthly weather conditions in Allison Park, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)95 mm (3.7 inches)88%moderate
February Weather1°C (35°F)125 mm (4.9 inches)88%moderate
March Weather5°C (42°F)109 mm (4.3 inches)87%high
April Weather11°C (52°F)132 mm (5.2 inches)87%very high
May Weather17°C (63°F)150 mm (5.9 inches)81%very high
June Weather21°C (70°F)155 mm (6.1 inches)83%very high
July Weather24°C (75°F)154 mm (6.1 inches)82%very high
August Weather23°C (73°F)89 mm (3.5 inches)76%very high
September Weather20°C (68°F)128 mm (5.0 inches)77%very high
October Weather14°C (57°F)128 mm (5.0 inches)82%high
November Weather5°C (42°F)94 mm (3.7 inches)89%moderate
December Weather2°C (36°F)102 mm (4.0 inches)86%low

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