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December Weather in Arapahoe, United States

Last updated: June 24, 2025

In December, the average temperature in Arapahoe, United States hovers around 0°C (33°F), offering a chilly atmosphere. Despite this, temperatures can dip as low as -22°C (-8°F) and reach a maximum of 23°C (73°F). Expect about 32 mm (1.2 in) of precipitation over 3 days, paired with an average humidity level of 78%. Whether you love the cold or prefer warmer days, Arapahoe in December has something for everyone!

December Temperature in Arapahoe

In December in Arapahoe, the average temperature is 0°C (33°F). Maximum temperatures can reach 23°C (73°F), while minimums can drop to as low as -22°C (-8°F). This wide range makes Arapahoe an adventurous destination for travelers seeking both winter activities and milder days.

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

The chart illustrates December temperature patterns in Arapahoe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arapahoe, December typically has an average temperature of 0°C (33°F), with highs reaching up to 23°C (73°F) and lows dropping to around -22°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec282842506175787569524233
Data source: Temperature data for Arapahoe 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 Arapahoe

In Arapahoe in December, the precipitation amount is 32 mm (1.2 in) over the course of 3 days.

December Precipitation Trends in Arapahoe

The chart displays monthly precipitation patterns in Arapahoe, 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 Arapahoe, December typically receives around 32 mm (1.2 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec2019743815257717161581732
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Arapahoe

In Arapahoe in December humidity is 78%. With an average temperature of 0°C (33°F), this humidity feels like walking through a chilly, damp fog that clings to your skin, making every step a bit heavier and more challenging for traveling.

December Average Humidity in Arapahoe

This chart illustrates the average monthly humidity levels in Arapahoe, 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 Arapahoe is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%80%64%64%76%79%77%79%70%64%75%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Arapahoe

In Arapahoe 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 Arapahoe, you can check the information here.

Maximum UV Index Levels in Arapahoe for December

The chart shows the monthly maximum UV Index (UVI) for Arapahoe 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 Arapahoe typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Arapahoe 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 Arapahoe Compares to Other Months

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

This table compares monthly weather conditions in Arapahoe, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)20 mm (0.8 inches)73%moderate
February Weather-2°C (28°F)19 mm (0.8 inches)80%moderate
March Weather5°C (42°F)74 mm (2.9 inches)64%high
April Weather10°C (50°F)38 mm (1.5 inches)64%very high
May Weather16°C (61°F)152 mm (6.0 inches)76%very high
June Weather24°C (75°F)57 mm (2.2 inches)79%extreme
July Weather26°C (79°F)71 mm (2.8 inches)77%extreme
August Weather24°C (75°F)70 mm (2.8 inches)79%very high
September Weather21°C (70°F)61 mm (2.4 inches)70%very high
October Weather11°C (52°F)58 mm (2.3 inches)64%high
November Weather5°C (42°F)17 mm (0.7 inches)75%moderate
December Weather0°C (33°F)32 mm (1.2 inches)78%moderate

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