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December Weather in Evergreen, United States

Last updated: June 24, 2025

In December, the average temperature in Evergreen, United States hovers around 12°C (54°F), with minimums dipping to -4°C (25°F) and maximums reaching up to 27°C (80°F). Expect about 142 mm (5.6 in) of precipitation spread over 12 days, contributing to the average humidity level of 86%. Prepare for a month that delivers a mix of mild warmth and refreshing rain!

December Temperature in Evergreen

In December in Evergreen, the average temperature is 12°C (54°F). The maximum can reach 27°C (80°F), while the minimum can plummet to as low as -4°C (25°F). Travelers should be prepared for a wide range of weather conditions, making layered clothing a smart choice.

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

The chart illustrates December temperature patterns in Evergreen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Evergreen, December typically has an average temperature of 12°C (54°F), with highs reaching up to 27°C (80°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec515762667479818178715754
Data source: Temperature data for Evergreen 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 Evergreen

In Evergreen in December, the total precipitation amount is 142 mm (5.6 in), occurring over the course of 12 days.

December Precipitation Trends in Evergreen

The chart displays monthly precipitation patterns in Evergreen, 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 Evergreen, December typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1051131051161181601381371129465142
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Evergreen

In Evergreen in December, humidity is 86%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities uncomfortable and travel challenging due to the heavy, muggy atmosphere.

December Average Humidity in Evergreen

This chart illustrates the average monthly humidity levels in Evergreen, 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 Evergreen is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%79%77%74%70%78%78%79%74%83%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Evergreen

In Evergreen in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Evergreen for better planning.

Maximum UV Index Levels in Evergreen for December

The chart shows the monthly maximum UV Index (UVI) for Evergreen 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 Evergreen typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111111111110864
Data source: Evergreen 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 Evergreen Compares to Other Months

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

This table compares monthly weather conditions in Evergreen, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)105 mm (4.1 inches)83%moderate
February Weather14°C (57°F)113 mm (4.4 inches)82%high
March Weather17°C (62°F)105 mm (4.1 inches)79%very high
April Weather19°C (66°F)116 mm (4.5 inches)77%extreme
May Weather24°C (75°F)118 mm (4.7 inches)74%extreme
June Weather26°C (79°F)160 mm (6.3 inches)70%extreme
July Weather27°C (81°F)138 mm (5.4 inches)78%extreme
August Weather27°C (81°F)136 mm (5.4 inches)78%extreme
September Weather26°C (78°F)112 mm (4.4 inches)79%very high
October Weather22°C (71°F)94 mm (3.7 inches)74%very high
November Weather14°C (58°F)65 mm (2.5 inches)83%high
December Weather12°C (54°F)142 mm (5.6 inches)86%moderate

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