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December Weather in Mountainaire, United States

Last updated: June 24, 2025

In December, the average temperature in Mountainaire, United States is a brisk 2°C (36°F). Expect temperatures to dip as low as -16°C (3°F) and occasionally rise to a pleasant 18°C (66°F). During this period, you'll encounter about 49 mm (1.9 in) of precipitation spread over 6 days, with an average humidity level of 82%.

December Temperature in Mountainaire

In December in Mountainaire, the average temperature is 2°C (36°F). The maximum can reach 18°C (66°F), while the minimum can be as low as -16°C (3°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

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

The chart illustrates December temperature patterns in Mountainaire, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mountainaire, December typically has an average temperature of 2°C (36°F), with highs reaching up to 18°C (66°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec353641515871727166544536
Data source: Temperature data for Mountainaire 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 Mountainaire

In Mountainaire in December, the precipitation amount is 49 mm (1.9 in) over the course of 6 days.

December Precipitation Trends in Mountainaire

The chart displays monthly precipitation patterns in Mountainaire, 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 Mountainaire, December typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec586669202161065126283349
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mountainaire

In Mountainaire in December humidity is 82%. With an average temperature of 2°C (36°F), this humidity feels like a damp chill that clings to your skin, making even brief outings feel uncomfortable and penetrating.

December Average Humidity in Mountainaire

This chart illustrates the average monthly humidity levels in Mountainaire, 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 Mountainaire is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%83%72%63%46%35%33%41%59%70%79%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mountainaire

In Mountainaire 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 Mountainaire for better planning.

Maximum UV Index Levels in Mountainaire for December

The chart shows the monthly maximum UV Index (UVI) for Mountainaire 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 Mountainaire typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111213131211864
Data source: Mountainaire 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 Mountainaire Compares to Other Months

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

This table compares monthly weather conditions in Mountainaire, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)58 mm (2.3 inches)80%moderate
February Weather2°C (36°F)66 mm (2.6 inches)83%very high
March Weather5°C (42°F)69 mm (2.7 inches)72%very high
April Weather11°C (51°F)19 mm (0.8 inches)63%extreme
May Weather15°C (59°F)21 mm (0.8 inches)46%extreme
June Weather21°C (71°F)6 mm (0.2 inches)35%extreme
July Weather22°C (73°F)106 mm (4.2 inches)33%extreme
August Weather22°C (71°F)51 mm (2.0 inches)41%extreme
September Weather19°C (66°F)26 mm (1.0 inches)59%extreme
October Weather12°C (54°F)28 mm (1.1 inches)70%very high
November Weather7°C (45°F)32 mm (1.3 inches)79%high
December Weather2°C (36°F)49 mm (1.9 inches)82%moderate

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