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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 -4°C (24°F), with extremes reaching as low as -23°C (-8°F) and peaking at 17°C (63°F). This chilly month brings about 16 mm (0.6 in) of precipitation over 4 days, contributing to an average humidity of 89%. Stay prepared for the cold!

December Temperature in Arapahoe

In December in Arapahoe, the average temperature is -4°C (24°F), with maximums reaching 17°C (63°F) and minimums dropping as low as -23°C (-8°F). It's essential to pack warm clothing and be prepared for a range of temperatures when traveling during this time.

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 -4°C (24°F), with highs reaching up to 17°C (63°F) and lows dropping to around -23°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec212336415265737061433424
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 16 mm (0.6 in) over a span of 4 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 16 mm (0.6 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec152338618031212327311716
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 89%. With an average temperature of -4°C (24°F), this humidity feels like an unexpected chill that can make outdoor activities uncomfortable, turning even short walks into a brisk challenge as the dampness seeps into your clothing.

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 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%82%72%69%67%65%59%59%69%83%89%
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-6°C (22°F)15 mm (0.6 inches)90%moderate
February Weather-5°C (23°F)23 mm (0.9 inches)89%moderate
March Weather2°C (36°F)38 mm (1.5 inches)82%high
April Weather5°C (42°F)61 mm (2.4 inches)72%very high
May Weather11°C (52°F)80 mm (3.2 inches)69%very high
June Weather18°C (65°F)30 mm (1.2 inches)67%extreme
July Weather23°C (73°F)21 mm (0.8 inches)65%extreme
August Weather21°C (70°F)23 mm (0.9 inches)59%very high
September Weather16°C (61°F)27 mm (1.1 inches)59%very high
October Weather6°C (43°F)31 mm (1.2 inches)69%high
November Weather1°C (35°F)17 mm (0.7 inches)83%moderate
December Weather-4°C (24°F)16 mm (0.6 inches)89%moderate

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