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December Weather in Alma, United States

Last updated: June 24, 2025

In December, the average temperature in Alma, United States hovers around 3°C (37°F). Expect a chill in the air, with minimums dipping to -18°C (0°F) and occasional warm spells reaching up to 23°C (73°F). During this time, you might encounter 32 mm (1.2 in) of precipitation spread over 2 days, while the air maintains a high average humidity of 84%.

December Temperature in Alma

In December in Alma, the average temperature is 3°C (37°F), with maximums reaching up to 23°C (73°F) and minimums dropping as low as -18°C (0°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both warm and lightweight clothing for their visit.

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 3°C (37°F), with highs reaching up to 23°C (73°F) and lows dropping to around -18°C (0°F).
JanFebMarAprMayJunJulAugSepOctNovDec313246546577807672564437
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 32 mm (1.2 in) over the course of 2 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 32 mm (1.2 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec382997802009794138901143232
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 84%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions brisk and invigorating, yet requiring extra layers to stay comfortable.

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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
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 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 Alma, you can check the information here.

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 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
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 Weather0°C (31°F)38 mm (1.5 inches)76%moderate
February Weather0°C (33°F)29 mm (1.1 inches)77%moderate
March Weather8°C (47°F)97 mm (3.8 inches)70%high
April Weather12°C (54°F)80 mm (3.1 inches)73%very high
May Weather18°C (65°F)200 mm (7.9 inches)82%very high
June Weather25°C (77°F)97 mm (3.8 inches)82%extreme
July Weather27°C (80°F)94 mm (3.7 inches)81%extreme
August Weather25°C (77°F)138 mm (5.4 inches)78%very high
September Weather22°C (72°F)90 mm (3.5 inches)71%very high
October Weather13°C (56°F)114 mm (4.5 inches)71%high
November Weather7°C (44°F)32 mm (1.2 inches)81%moderate
December Weather3°C (37°F)32 mm (1.2 inches)84%moderate

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