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December Weather in Stapleton, United States

Last updated: June 24, 2025

In Stapleton, United States, the average temperature in December hovers around -1°C (30°F). Expect a chilly minimum of -24°C (-10°F), while temperatures can peak at a pleasant 21°C (71°F). During this time, precipitation averages 31 mm (1.2 in) over 5 days, and with an average humidity of 78%, it’s a month that feels both crisp and damp.

December Temperature in Stapleton

In December in Stapleton, the average temperature is -1°C (30°F). The maximum can reach 21°C (71°F) and the minimum can be as low as -24°C (-10°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!

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

The chart illustrates December temperature patterns in Stapleton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stapleton, December typically has an average temperature of -1°C (30°F), with highs reaching up to 21°C (71°F) and lows dropping to around -24°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec262438465771757266483830
Data source: Temperature data for Stapleton 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 Stapleton

In Stapleton in December, the precipitation amount is 31 mm (1.2 in) spread over 5 days.

December Precipitation Trends in Stapleton

The chart displays monthly precipitation patterns in Stapleton, 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 Stapleton, December typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec1622704813080807253522631
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Stapleton

In Stapleton in December humidity is 78%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that seeps into your bones, making traveling outdoors a brisk challenge.

December Average Humidity in Stapleton

This chart illustrates the average monthly humidity levels in Stapleton, 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 Stapleton 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 Stapleton

In Stapleton 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 Stapleton, you can check the information here.

Maximum UV Index Levels in Stapleton for December

The chart shows the monthly maximum UV Index (UVI) for Stapleton 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 Stapleton typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568101111109643
Data source: Stapleton 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 Stapleton Compares to Other Months

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

This table compares monthly weather conditions in Stapleton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)16 mm (0.6 inches)73%moderate
February Weather-4°C (25°F)22 mm (0.9 inches)80%moderate
March Weather3°C (39°F)70 mm (2.7 inches)64%high
April Weather8°C (46°F)48 mm (1.9 inches)64%very high
May Weather14°C (58°F)130 mm (5.1 inches)76%very high
June Weather22°C (72°F)80 mm (3.1 inches)79%extreme
July Weather24°C (76°F)80 mm (3.1 inches)77%extreme
August Weather22°C (73°F)72 mm (2.8 inches)79%very high
September Weather19°C (66°F)53 mm (2.1 inches)70%very high
October Weather9°C (48°F)52 mm (2.1 inches)64%high
November Weather3°C (39°F)26 mm (1.0 inches)75%moderate
December Weather-1°C (30°F)31 mm (1.2 inches)78%moderate

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