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December Weather in Alma, United States

Last updated: June 24, 2025

In Alma, United States, the average temperature in December hovers around -4°C (25°F), with extremes ranging from a chilly -28°C (-18°F) to a milder 18°C (64°F). Expect about 45 mm (1.8 in) of precipitation spread over roughly 6 days, contributing to the average humidity of 85% that keeps the atmosphere crisp and cool.

December Temperature in Alma

In December in Alma, the average temperature is -4°C (25°F), with maximums reaching 18°C (64°F) and minimums dropping as low as -28°C (-18°F). Be prepared for a wide range of temperatures and dress in layers to ensure comfort during your travels.

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

The chart illustrates December temperature patterns in Alma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alma, December typically has an average temperature of -4°C (25°F), with highs reaching up to 18°C (64°F) and lows dropping to around -28°C (-18°F).
JanFebMarAprMayJunJulAugSepOctNovDec181934445971747064493425
Data source: Temperature data for Alma 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 Alma

In Alma in December, the precipitation amount is 45 mm (1.8 in) over the course of 6 days.

December Precipitation Trends in Alma

The chart displays monthly precipitation patterns in Alma, 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 Alma, December typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec34475592148140971281131134945
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Alma

In Alma in December, humidity is 85%. With an average temperature of -4°C (25°F), this humidity feels like a damp chill clinging to your skin, making travel outside uncomfortable and leaving you feeling cold and clammy despite the freezing temperatures.

December Average Humidity in Alma

This chart illustrates the average monthly humidity levels in Alma, 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 Alma is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Alma

In Alma 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 Alma, you can visit Hourly UV Index in Alma.

Maximum UV Index Levels in Alma for December

The chart shows the monthly maximum UV Index (UVI) for Alma 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 Alma typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Alma 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 Alma Compares to Other Months

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

This table compares monthly weather conditions in Alma, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)34 mm (1.4 inches)88%low
February Weather-7°C (19°F)47 mm (1.9 inches)89%moderate
March Weather1°C (35°F)55 mm (2.2 inches)86%moderate
April Weather7°C (44°F)92 mm (3.6 inches)85%very high
May Weather15°C (59°F)148 mm (5.8 inches)79%very high
June Weather21°C (71°F)140 mm (5.5 inches)80%very high
July Weather23°C (74°F)97 mm (3.8 inches)80%very high
August Weather21°C (70°F)128 mm (5.0 inches)78%very high
September Weather18°C (64°F)113 mm (4.4 inches)80%high
October Weather9°C (49°F)113 mm (4.4 inches)84%moderate
November Weather1°C (35°F)49 mm (1.9 inches)89%moderate
December Weather-4°C (25°F)45 mm (1.8 inches)85%low

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