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December Weather in Hewitt, United States

Last updated: June 24, 2025

In December, the average temperature in Hewitt, United States is a pleasant 12°C (54°F). However, be prepared for a range, as temperatures can dip to a chilly -3°C (27°F) or soar to a warm 29°C (84°F). With an average precipitation of 63 mm (2.5 in) spread across 6 days, and humidity hovering around a muggy 87%, it's wise to pack accordingly for your visit!

December Temperature in Hewitt

In December in Hewitt, the average temperature is 12°C (54°F). Maximum temperatures can reach 29°C (84°F), while minimum temperatures can drop as low as -3°C (27°F). Be prepared for a wide range of weather conditions 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 12°C (54°F), with highs reaching up to 29°C (84°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec505263677682868681705954
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 63 mm (2.5 in) spread over a duration of 6 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 63 mm (2.5 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec60788196184775178801295163
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 87%. With an average temperature of 12°C (54°F), this humidity feels like a damp embrace, making it quite uncomfortable for traveling, as the air feels heavy and can quickly sap your energy as you explore the sights.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%80%78%79%81%77%71%67%69%73%82%87%
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 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 Hewitt for better planning.

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 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101112121110864
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 Weather10°C (50°F)60 mm (2.4 inches)79%moderate
February Weather11°C (52°F)78 mm (3.1 inches)80%high
March Weather17°C (63°F)81 mm (3.2 inches)78%very high
April Weather20°C (67°F)96 mm (3.8 inches)79%very high
May Weather24°C (76°F)184 mm (7.2 inches)81%extreme
June Weather28°C (83°F)77 mm (3.0 inches)77%extreme
July Weather30°C (87°F)51 mm (2.0 inches)71%extreme
August Weather30°C (87°F)78 mm (3.1 inches)67%extreme
September Weather27°C (81°F)80 mm (3.1 inches)69%very high
October Weather21°C (70°F)129 mm (5.1 inches)73%very high
November Weather15°C (59°F)51 mm (2.0 inches)82%high
December Weather12°C (54°F)63 mm (2.5 inches)87%moderate

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