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December Weather in Mound City, United States

Last updated: June 24, 2025

In December, the average temperature in Mound City, United States hovers around 1°C (35°F). This period can bring extremes, with minimums plummeting to -22°C (-7°F) and maximums soaring to 23°C (73°F). Expect about 33 mm (1.3 in) of precipitation over 3 days, along with an average humidity of 83%, creating a notably chilly and damp atmosphere.

December Temperature in Mound City

In December in Mound City, the average temperature is 1°C (35°F). The maximum can reach 23°C (73°F) and the minimum can drop to as low as -22°C (-7°F). Be prepared for a wide range of temperatures if you plan to travel during this time.

December Weather in Mound City: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Mound City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mound City, December typically has an average temperature of 1°C (35°F), with highs reaching up to 23°C (73°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec272944526577797571554234
Data source: Temperature data for Mound City 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 Mound City

In Mound City in December, the precipitation amount is 33 mm (1.3 in) over the course of 3 days.

December Precipitation Trends in Mound City

The chart displays monthly precipitation patterns in Mound City, 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 Mound City, December typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec38329284157128118115961323933
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mound City

In Mound City in December humidity is 83%. With an average temperature of 1°C (35°F), this humidity feels like a damp chill enveloping you, making travel uncomfortable as you contend with the biting cold paired with the heavy moisture in the air.

December Average Humidity in Mound City

This chart illustrates the average monthly humidity levels in Mound City, 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 Mound City is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%73%75%78%82%83%81%75%75%82%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mound City

In Mound City 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 Mound City, you can check the information here.

Maximum UV Index Levels in Mound City for December

The chart shows the monthly maximum UV Index (UVI) for Mound City 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 Mound City typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Mound City 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 Mound City Compares to Other Months

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

This table compares monthly weather conditions in Mound City, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)38 mm (1.5 inches)76%moderate
February Weather-2°C (29°F)32 mm (1.2 inches)80%moderate
March Weather7°C (44°F)92 mm (3.6 inches)73%high
April Weather11°C (53°F)84 mm (3.3 inches)74%very high
May Weather18°C (65°F)157 mm (6.2 inches)78%very high
June Weather25°C (77°F)128 mm (5.0 inches)82%extreme
July Weather26°C (79°F)118 mm (4.7 inches)83%very high
August Weather24°C (76°F)115 mm (4.5 inches)80%very high
September Weather21°C (71°F)96 mm (3.8 inches)75%very high
October Weather13°C (55°F)132 mm (5.2 inches)75%high
November Weather5°C (42°F)39 mm (1.6 inches)82%moderate
December Weather1°C (35°F)33 mm (1.3 inches)83%moderate

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