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December Weather in Concord, United States

Last updated: June 24, 2025

In December, the average temperature in Concord, United States hovers around 0°C (33°F). While you might experience a crisp chill with minimum temperatures dropping to a biting -22°C (-8°F), there are warmer days too, with highs reaching up to 16°C (61°F). Expect around 58 mm (2.3 in) of precipitation over 10 days, complemented by a high average humidity of 86%, making it a cozy yet muggy month overall.

December Temperature in Concord

In December in Concord, the average temperature is 0°C (33°F). Maximum temperatures can reach 16°C (61°F), while the minimum can drop as low as -22°C (-8°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates December temperature patterns in Concord, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Concord, December typically has an average temperature of 0°C (33°F), with highs reaching up to 16°C (61°F) and lows dropping to around -22°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737476070747265533932
Data source: Temperature data for Concord 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 Concord

In Concord in December, the total precipitation amount is 58 mm (2.3 in), measured over a span of 10 days.

December Precipitation Trends in Concord

The chart displays monthly precipitation patterns in Concord, 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 Concord, December typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec687280901319611170911147458
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Concord

In Concord in December humidity is 86%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that permeates your clothes, making traveling uncomfortable and necessitating warm, layered clothing to stay dry and cozy.

December Average Humidity in Concord

This chart illustrates the average monthly humidity levels in Concord, 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 Concord is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Concord

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

Maximum UV Index Levels in Concord for December

The chart shows the monthly maximum UV Index (UVI) for Concord 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 Concord typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097542
Data source: Concord 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 Concord Compares to Other Months

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

This table compares monthly weather conditions in Concord, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)68 mm (2.7 inches)88%low
February Weather-3°C (28°F)72 mm (2.9 inches)87%moderate
March Weather3°C (38°F)80 mm (3.1 inches)85%moderate
April Weather8°C (47°F)90 mm (3.6 inches)86%very high
May Weather16°C (60°F)131 mm (5.2 inches)80%very high
June Weather21°C (70°F)96 mm (3.8 inches)80%very high
July Weather24°C (75°F)111 mm (4.4 inches)80%very high
August Weather22°C (72°F)70 mm (2.8 inches)80%very high
September Weather19°C (66°F)91 mm (3.6 inches)80%high
October Weather12°C (54°F)114 mm (4.5 inches)84%moderate
November Weather4°C (39°F)74 mm (2.9 inches)89%moderate
December Weather0°C (33°F)58 mm (2.3 inches)86%low

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