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December Weather in Morton, United States

Last updated: June 24, 2025

In Morton, United States, the average temperature in December hovers around 7°C (44°F), with extremes ranging from a chilly -8°C (18°F) to a warm 25°C (77°F). Expect light precipitation, averaging 13 mm (0.5 in) over just 2 days, and prepare for high humidity levels at an average of 80%.

December Temperature in Morton

In December in Morton, the average temperature is 7°C (44°F). Maximums can reach 25°C (77°F), and minimums can be as low as -8°C (18°F). It's a time of year when travelers should be prepared for a wide range of temperatures, making layering essential for a comfortable experience.

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

The chart illustrates December temperature patterns in Morton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Morton, December typically has an average temperature of 7°C (44°F), with highs reaching up to 25°C (77°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec414454617179817973605144
Data source: Temperature data for Morton 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 Morton

In Morton in December, the precipitation amount is 13 mm (0.5 in) over a span of 2 days.

December Precipitation Trends in Morton

The chart displays monthly precipitation patterns in Morton, 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 Morton, December typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec161032214147313846561513
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Morton

In Morton in December humidity is 80%. With an average temperature of 7°C (44°F), this humidity feels like a chilly dampness that clings to your skin, making it essential to dress in layers and be prepared for a slightly uncomfortable but invigorating travel experience.

December Average Humidity in Morton

This chart illustrates the average monthly humidity levels in Morton, 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 Morton is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%75%61%61%67%69%69%66%71%71%82%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Morton

In Morton in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Morton for better planning.

Maximum UV Index Levels in Morton for December

The chart shows the monthly maximum UV Index (UVI) for Morton 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 Morton typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111212121210864
Data source: Morton 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 Morton Compares to Other Months

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

This table compares monthly weather conditions in Morton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)16 mm (0.6 inches)75%moderate
February Weather7°C (45°F)10 mm (0.4 inches)74%high
March Weather12°C (54°F)32 mm (1.3 inches)61%very high
April Weather16°C (61°F)21 mm (0.8 inches)61%extreme
May Weather21°C (71°F)41 mm (1.6 inches)67%extreme
June Weather26°C (79°F)47 mm (1.9 inches)69%extreme
July Weather27°C (81°F)31 mm (1.2 inches)69%extreme
August Weather26°C (79°F)38 mm (1.5 inches)66%extreme
September Weather23°C (73°F)46 mm (1.8 inches)71%very high
October Weather16°C (61°F)56 mm (2.2 inches)71%very high
November Weather10°C (51°F)15 mm (0.6 inches)82%high
December Weather7°C (44°F)13 mm (0.5 inches)80%moderate

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