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December Weather in Circle, United States

Last updated: June 24, 2025

In December, the average temperature in Circle, United States hovers around -5°C (24°F). However, temperatures can be quite extreme, ranging from a chilling -33°C (-27°F) to a surprisingly warm 20°C (68°F). Expect around 20 mm (0.8 in) of precipitation spread over 5 days, with a notable average humidity of 84%.

December Temperature in Circle

In December in Circle, the average temperature is -5°C (24°F). Maximums can reach 20°C (68°F) and minimums can be as low as -33°C (-27°F). Travelers should be prepared for a wide temperature range and pack accordingly for both cold and warm conditions.

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

The chart illustrates December temperature patterns in Circle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Circle, December typically has an average temperature of -5°C (24°F), with highs reaching up to 20°C (68°F) and lows dropping to around -33°C (-27°F).
JanFebMarAprMayJunJulAugSepOctNovDec191532415567747160433224
Data source: Temperature data for Circle 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 Circle

In Circle in December, the precipitation amount is 20 mm (0.8 in) over a period of 5 days.

December Precipitation Trends in Circle

The chart displays monthly precipitation patterns in Circle, 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 Circle, December typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec122720294377302859282220
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Circle

In Circle in December, humidity is 84%. With an average temperature of -5°C (24°F), this humidity feels like an icy blanket wrapped around you, making the air feel even colder and more biting, which can be quite uncomfortable for traveling.

December Average Humidity in Circle

This chart illustrates the average monthly humidity levels in Circle, 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 Circle is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%83%76%70%76%78%78%73%67%68%77%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Circle

In Circle in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Circle, you can visit Hourly UV Index in Circle.

Maximum UV Index Levels in Circle for December

The chart shows the monthly maximum UV Index (UVI) for Circle 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 Circle typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2359810998532
Data source: Circle 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 Circle Compares to Other Months

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

This table compares monthly weather conditions in Circle, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)12 mm (0.5 inches)80%low
February Weather-10°C (15°F)27 mm (1.1 inches)83%moderate
March Weather0°C (32°F)20 mm (0.8 inches)75%moderate
April Weather5°C (42°F)29 mm (1.1 inches)70%very high
May Weather13°C (55°F)43 mm (1.7 inches)76%very high
June Weather19°C (67°F)77 mm (3.0 inches)78%very high
July Weather23°C (74°F)30 mm (1.2 inches)78%very high
August Weather21°C (71°F)28 mm (1.1 inches)73%very high
September Weather15°C (60°F)59 mm (2.3 inches)67%very high
October Weather6°C (44°F)28 mm (1.1 inches)68%moderate
November Weather0°C (33°F)21 mm (0.8 inches)77%moderate
December Weather-5°C (24°F)20 mm (0.8 inches)84%low

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