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December Weather in Fort Morgan, United States

Last updated: June 24, 2025

In December, the average temperature in Fort Morgan, United States is a brisk 1°C (35°F). Expect a wide range, with minimums plummeting to -17°C (1°F) and maximums climbing to 23°C (73°F). Precipitation is light, at just 9 mm (0.3 in) over 3 days, while the average humidity hovers around a comfortable 77%.

December Temperature in Fort Morgan

In December in Fort Morgan, the average temperature is 1°C (35°F). Maximums can reach 23°C (73°F) and minimums can be as low as -17°C (1°F). Travelers should be prepared for a wide range of temperatures, from chilly to pleasantly warm, making layering essential for outdoor activities.

December Weather in Fort Morgan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Fort Morgan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Morgan, 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 -17°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec333244516073787569514235
Data source: Temperature data for Fort Morgan 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 Fort Morgan

In Fort Morgan in December, the precipitation amount is 9 mm (0.3 in) measured over a span of 3 days.

December Precipitation Trends in Fort Morgan

The chart displays monthly precipitation patterns in Fort Morgan, 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 Fort Morgan, December typically receives around 9 mm (0.3 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec11135345944032312424159
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Fort Morgan

In Fort Morgan in December, humidity is 77%. With an average temperature of 1°C (35°F), this humidity feels like a heavy fog, making travel feel damp and chilly, as the cold air clings to your skin and every breath is filled with moisture.

December Average Humidity in Fort Morgan

This chart illustrates the average monthly humidity levels in Fort Morgan, 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 Fort Morgan is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%76%62%60%74%82%82%84%75%73%74%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Fort Morgan

In Fort Morgan 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 Fort Morgan, you can check the information here.

Maximum UV Index Levels in Fort Morgan for December

The chart shows the monthly maximum UV Index (UVI) for Fort Morgan 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 Fort Morgan typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec45710101111109643
Data source: Fort Morgan 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 Fort Morgan Compares to Other Months

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

This table compares monthly weather conditions in Fort Morgan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)11 mm (0.4 inches)72%moderate
February Weather0°C (33°F)13 mm (0.5 inches)76%moderate
March Weather7°C (44°F)53 mm (2.1 inches)61%high
April Weather10°C (51°F)45 mm (1.8 inches)60%very high
May Weather15°C (60°F)94 mm (3.7 inches)74%very high
June Weather23°C (73°F)40 mm (1.6 inches)82%extreme
July Weather25°C (78°F)32 mm (1.3 inches)82%extreme
August Weather24°C (75°F)31 mm (1.2 inches)84%very high
September Weather21°C (69°F)24 mm (1.0 inches)75%very high
October Weather10°C (51°F)24 mm (0.9 inches)73%high
November Weather6°C (43°F)15 mm (0.6 inches)74%moderate
December Weather1°C (35°F)9 mm (0.3 inches)77%moderate

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