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December Weather in Aspen Park, United States

Last updated: June 24, 2025

In Aspen Park, United States, the average temperature in December hovers around -4°C (26°F), with extremes ranging from a chilling -23°C (-9°F) to a mild 19°C (66°F). Expect 18 mm (0.7 in) of precipitation spread over approximately 5 days, complemented by an average humidity level of 89%. Prepare for a month where warmth is a rarity, and the atmosphere is decidedly crisp!

December Temperature in Aspen Park

In December in Aspen Park, the average temperature is -4°C (26°F). Maximum temperatures can reach 19°C (66°F), while minimums can dip as low as -23°C (-9°F). This wide temperature range suggests travelers should come prepared for both chilly and mild weather conditions.

December Weather in Aspen Park: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Aspen Park, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aspen Park, December typically has an average temperature of -4°C (26°F), with highs reaching up to 19°C (66°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec232232384861656458423426
Data source: Temperature data for Aspen Park 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 Aspen Park

In Aspen Park in December, the precipitation amount is 18 mm (0.7 in) spread over a duration of 5 days.

December Precipitation Trends in Aspen Park

The chart displays monthly precipitation patterns in Aspen Park, 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 Aspen Park, December typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec2433596312474986446442518
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Aspen Park

In Aspen Park in December, humidity is 89%. With an average temperature of -4°C (26°F), this humidity feels like a biting chill that clings to your skin, making every step outdoors feel like traversing through a frosty fog.

December Average Humidity in Aspen Park

This chart illustrates the average monthly humidity levels in Aspen Park, 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 Aspen Park is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%76%67%58%52%56%65%76%82%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Aspen Park

In Aspen Park 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 Aspen Park for better planning.

Maximum UV Index Levels in Aspen Park for December

The chart shows the monthly maximum UV Index (UVI) for Aspen Park 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 Aspen Park typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111212121110754
Data source: Aspen Park 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 Aspen Park Compares to Other Months

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

This table compares monthly weather conditions in Aspen Park, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)24 mm (0.9 inches)88%moderate
February Weather-5°C (23°F)33 mm (1.3 inches)87%high
March Weather0°C (32°F)59 mm (2.3 inches)81%very high
April Weather3°C (38°F)63 mm (2.5 inches)76%extreme
May Weather9°C (48°F)124 mm (4.9 inches)66%extreme
June Weather16°C (61°F)74 mm (2.9 inches)58%extreme
July Weather19°C (66°F)98 mm (3.8 inches)52%extreme
August Weather18°C (64°F)64 mm (2.5 inches)56%extreme
September Weather15°C (59°F)46 mm (1.8 inches)65%very high
October Weather6°C (43°F)44 mm (1.7 inches)76%high
November Weather1°C (34°F)25 mm (1.0 inches)82%moderate
December Weather-4°C (26°F)18 mm (0.7 inches)89%moderate

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