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December Weather in Hewitt, United States

Last updated: June 24, 2025

In December, the average temperature in Hewitt, United States hovers around -5°C (24°F). Prepare for a chilly range, with minimums plunging to -30°C (-22°F) and occasional maximums reaching 15°C (60°F). Expect some dampness, too, with 52 mm (2.0 in) of precipitation spread over 7 days and an average humidity of 85%. Dress warmly!

December Temperature in Hewitt

In December in Hewitt, the average temperature is -5°C (24°F). Maximum temperatures can reach 15°C (60°F), while minimums can drop as low as -30°C (-22°F). Be sure to pack warm clothing and prepare for sudden temperature changes when traveling during this time.

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

The chart illustrates December temperature patterns in Hewitt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hewitt, December typically has an average temperature of -5°C (24°F), with highs reaching up to 15°C (60°F) and lows dropping to around -30°C (-22°F).
JanFebMarAprMayJunJulAugSepOctNovDec171832425768726861473323
Data source: Temperature data for Hewitt 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 Hewitt

In Hewitt in December, the precipitation amount is 52 mm (2.0 in) over a duration of 7 days.

December Precipitation Trends in Hewitt

The chart displays monthly precipitation patterns in Hewitt, 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 Hewitt, December typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec34525699116117122135911125152
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hewitt

In Hewitt in December humidity is 85%. With an average temperature of -5°C (24°F), this humidity feels like a biting chill that penetrates your clothing, making every step outside feel more daunting and uninviting for traveling.

December Average Humidity in Hewitt

This chart illustrates the average monthly humidity levels in Hewitt, 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 Hewitt is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hewitt

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

Maximum UV Index Levels in Hewitt for December

The chart shows the monthly maximum UV Index (UVI) for Hewitt 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 Hewitt typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Hewitt 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 Hewitt Compares to Other Months

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

This table compares monthly weather conditions in Hewitt, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)34 mm (1.4 inches)88%low
February Weather-8°C (18°F)52 mm (2.0 inches)89%moderate
March Weather0°C (32°F)56 mm (2.2 inches)86%moderate
April Weather6°C (42°F)99 mm (3.9 inches)85%very high
May Weather14°C (57°F)116 mm (4.6 inches)79%very high
June Weather20°C (68°F)117 mm (4.6 inches)80%very high
July Weather22°C (72°F)122 mm (4.8 inches)80%very high
August Weather20°C (68°F)135 mm (5.3 inches)78%very high
September Weather16°C (62°F)91 mm (3.6 inches)80%high
October Weather9°C (48°F)112 mm (4.4 inches)84%moderate
November Weather0°C (33°F)51 mm (2.0 inches)89%moderate
December Weather-5°C (24°F)52 mm (2.0 inches)85%low

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