December Weather in Keithsburg, United States

Last updated: June 24, 2025

In December, the average temperature in Keithsburg, United States hovers around 1°C (34°F). Expect a dramatic range where minimums can plunge to -21°C (-6°F) and maximums soar to 22°C (72°F). You'll likely encounter 47 mm (1.9 in) of precipitation over approximately 5 days, accompanied by a high average humidity of 84%.

December Temperature in Keithsburg

In December in Keithsburg, the average temperature is 1°C (34°F). The maximum can reach 22°C (72°F) and the minimum can be as low as -21°C (-6°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Keithsburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keithsburg, December typically has an average temperature of 1°C (34°F), with highs reaching up to 22°C (72°F) and lows dropping to around -21°C (-6°F).
JanFebMarAprMayJunJulAugSepOctNovDec252841506475787570554033
Data source: Temperature data for Keithsburg 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 Keithsburg

In Keithsburg in December, the precipitation amount is 47 mm (1.9 in) spread over a duration of 5 days.

December Precipitation Trends in Keithsburg

The chart displays monthly precipitation patterns in Keithsburg, 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 Keithsburg, December typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec5561979216613380671001285147
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Keithsburg

In Keithsburg in December humidity is 84%. With an average temperature of 1°C (34°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring extra layers to keep warm while navigating the damp air.

December Average Humidity in Keithsburg

This chart illustrates the average monthly humidity levels in Keithsburg, 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 Keithsburg is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%81%82%78%81%79%77%78%79%87%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Keithsburg

In Keithsburg 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 Keithsburg, you can visit Hourly UV Index in Keithsburg.

Maximum UV Index Levels in Keithsburg for December

The chart shows the monthly maximum UV Index (UVI) for Keithsburg 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 Keithsburg typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098642
Data source: Keithsburg 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 Keithsburg Compares to Other Months

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

This table compares monthly weather conditions in Keithsburg, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)55 mm (2.2 inches)81%moderate
February Weather-2°C (28°F)61 mm (2.4 inches)81%moderate
March Weather5°C (42°F)97 mm (3.8 inches)81%high
April Weather10°C (51°F)92 mm (3.6 inches)82%very high
May Weather18°C (64°F)165 mm (6.5 inches)78%very high
June Weather24°C (75°F)133 mm (5.2 inches)81%extreme
July Weather25°C (78°F)80 mm (3.1 inches)79%very high
August Weather24°C (75°F)67 mm (2.6 inches)77%very high
September Weather21°C (70°F)100 mm (3.9 inches)78%very high
October Weather13°C (55°F)128 mm (5.0 inches)78%high
November Weather4°C (40°F)51 mm (2.0 inches)87%moderate
December Weather1°C (34°F)47 mm (1.9 inches)84%low

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