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December Weather in Keytesville, United States

Last updated: June 24, 2025

In December, the average temperature in Keytesville, United States hovers around 3°C (37°F), showcasing a chilly yet intriguing climate. Expect minimums to dip as low as -19°C (-2°F), while the mercury can occasionally rise to a pleasant 24°C (75°F). With an average precipitation of 38 mm (1.5 in) over 5 days, and humidity levels at a brisk 86%, this month offers a unique blend of weather patterns that invites exploration and adventure.

December Temperature in Keytesville

In December in Keytesville, the average temperature is 3°C (37°F). The maximum can reach 24°C (75°F), while the minimum can drop to as low as -19°C (-2°F). Prepare for a wide range of temperatures when traveling during this time.

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

The chart illustrates December temperature patterns in Keytesville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keytesville, December typically has an average temperature of 3°C (37°F), with highs reaching up to 24°C (75°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec303245546676797671574337
Data source: Temperature data for Keytesville 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 Keytesville

In Keytesville in December, the total precipitation amount is 38 mm (1.5 in) spread over a duration of 5 days.

December Precipitation Trends in Keytesville

The chart displays monthly precipitation patterns in Keytesville, 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 Keytesville, December typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec62521159521314511497731195138
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Keytesville

In Keytesville in December humidity is 86%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

December Average Humidity in Keytesville

This chart illustrates the average monthly humidity levels in Keytesville, 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 Keytesville is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Keytesville

In Keytesville 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 Keytesville, you can check the information here.

Maximum UV Index Levels in Keytesville for December

The chart shows the monthly maximum UV Index (UVI) for Keytesville 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 Keytesville typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Keytesville 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 Keytesville Compares to Other Months

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

This table compares monthly weather conditions in Keytesville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)62 mm (2.5 inches)80%moderate
February Weather0°C (33°F)52 mm (2.0 inches)78%moderate
March Weather7°C (46°F)115 mm (4.5 inches)75%high
April Weather12°C (54°F)95 mm (3.8 inches)77%very high
May Weather19°C (66°F)213 mm (8.4 inches)82%very high
June Weather25°C (76°F)145 mm (5.7 inches)83%extreme
July Weather26°C (80°F)114 mm (4.5 inches)81%extreme
August Weather24°C (76°F)97 mm (3.8 inches)78%very high
September Weather22°C (72°F)73 mm (2.9 inches)72%very high
October Weather14°C (57°F)119 mm (4.7 inches)72%high
November Weather6°C (43°F)51 mm (2.0 inches)84%moderate
December Weather3°C (37°F)38 mm (1.5 inches)86%moderate

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