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December Weather in Morton, United States

Last updated: June 24, 2025

In December, the average temperature in Morton, United States hovers around 11°C (52°F). While you might experience chilly lows of -7°C (20°F), there are also warmer days reaching up to 27°C (81°F). Expect 121 mm (4.8 in) of precipitation spread over 11 days, coupled with a high average humidity of 88%. Embrace the dynamic weather as you explore this unique destination!

December Temperature in Morton

In December in Morton, the average temperature is 11°C (52°F). The maximum can reach 27°C (81°F), while the minimum can be as low as -7°C (20°F). This wide temperature range makes it essential for travelers to pack layers for their visit.

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 11°C (52°F), with highs reaching up to 27°C (81°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec485461647379818178695552
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 total precipitation amount is 121 mm (4.8 in), which occurs over the course of 11 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 121 mm (4.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1091481311661371611171371029972121
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 88%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and the air feel thick, encouraging you to seek shelter or stay hydrated as you explore.

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 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%82%79%82%77%74%73%85%88%
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.
JanFebMarAprMayJunJulAugSepOctNovDec478111112111110864
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 Weather9°C (49°F)109 mm (4.3 inches)85%moderate
February Weather12°C (54°F)148 mm (5.8 inches)84%high
March Weather16°C (61°F)131 mm (5.2 inches)82%very high
April Weather18°C (65°F)166 mm (6.5 inches)82%extreme
May Weather23°C (74°F)137 mm (5.4 inches)82%extreme
June Weather26°C (79°F)161 mm (6.3 inches)79%extreme
July Weather27°C (81°F)117 mm (4.6 inches)82%extreme
August Weather27°C (81°F)137 mm (5.4 inches)77%extreme
September Weather26°C (78°F)102 mm (4.0 inches)74%very high
October Weather20°C (69°F)99 mm (3.9 inches)73%very high
November Weather13°C (55°F)72 mm (2.8 inches)85%high
December Weather11°C (52°F)121 mm (4.8 inches)88%moderate

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