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December Weather in Middlefield, United States

Last updated: June 24, 2025

In December, the average temperature in Middlefield, United States hovers around 1°C (34°F). Be prepared for a range of conditions, with minimums dipping as low as -19°C (-2°F) and highs reaching up to 18°C (64°F). Precipitation is fairly common, with 98 mm (3.8 in) expected over 14 days. Plus, don't forget your layers—the average humidity is a high 86%!

December Temperature in Middlefield

In December in Middlefield, the average temperature is 1°C (34°F). The maximum can reach 18°C (64°F), and the minimum can be as low as -19°C (-2°F). Travelers should prepare for a wide range of temperatures and dress in layers to ensure comfort during their visit.

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

The chart illustrates December temperature patterns in Middlefield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Middlefield, December typically has an average temperature of 1°C (34°F), with highs reaching up to 18°C (64°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec283138486069737166554034
Data source: Temperature data for Middlefield 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 Middlefield

In Middlefield in December, the precipitation amount is 98 mm (3.8 in) over the course of 14 days.

December Precipitation Trends in Middlefield

The chart displays monthly precipitation patterns in Middlefield, 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 Middlefield, December typically receives around 98 mm (3.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec889610612913714914611510112410198
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Middlefield

In Middlefield in December, humidity is 86%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making outdoor adventures brisk and invigorating but challenging for travel.

December Average Humidity in Middlefield

This chart illustrates the average monthly humidity levels in Middlefield, 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 Middlefield is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Middlefield

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

Maximum UV Index Levels in Middlefield for December

The chart shows the monthly maximum UV Index (UVI) for Middlefield 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 Middlefield typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Middlefield 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 Middlefield Compares to Other Months

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

This table compares monthly weather conditions in Middlefield, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)88 mm (3.5 inches)88%moderate
February Weather0°C (31°F)96 mm (3.8 inches)88%moderate
March Weather3°C (38°F)106 mm (4.2 inches)87%high
April Weather9°C (48°F)129 mm (5.1 inches)87%very high
May Weather16°C (60°F)136 mm (5.4 inches)81%very high
June Weather20°C (69°F)149 mm (5.9 inches)83%very high
July Weather23°C (74°F)145 mm (5.7 inches)82%very high
August Weather22°C (71°F)115 mm (4.5 inches)76%very high
September Weather19°C (66°F)101 mm (4.0 inches)77%very high
October Weather13°C (56°F)124 mm (4.9 inches)82%high
November Weather5°C (41°F)101 mm (4.0 inches)89%moderate
December Weather1°C (34°F)98 mm (3.8 inches)86%low

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