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December Weather in Cedar Grove, United States

Last updated: June 24, 2025

In Cedar Grove, United States, the average temperature in December hovers around 0°C (33°F), with a minimum drop to -18°C (0°F) and a maximum climb to 14°C (58°F). Expect about 59 mm (2.3 in) of precipitation spread over 8 days, alongside an average humidity level of 81%, creating a chilly and damp atmosphere.

December Temperature in Cedar Grove

In December in Cedar Grove, the average temperature is 0°C (33°F). Maximums can reach 14°C (58°F), while minimums can drop to as low as -18°C (0°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

December Weather in Cedar Grove: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Cedar Grove, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cedar Grove, December typically has an average temperature of 0°C (33°F), with highs reaching up to 14°C (58°F) and lows dropping to around -18°C (0°F).
JanFebMarAprMayJunJulAugSepOctNovDec262533394758687065533932
Data source: Temperature data for Cedar Grove 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 Cedar Grove

In Cedar Grove in December, the total precipitation amount is 59 mm (2.3 in) spread over 8 days.

December Precipitation Trends in Cedar Grove

The chart displays monthly precipitation patterns in Cedar Grove, 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 Cedar Grove, December typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec616069107126968069931265859
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cedar Grove

In Cedar Grove in December, humidity is 81%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill enveloping you, making travel uncomfortable and the air heavy, leaving you craving warmth and dry conditions.

December Average Humidity in Cedar Grove

This chart illustrates the average monthly humidity levels in Cedar Grove, 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 Cedar Grove is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cedar Grove

In Cedar Grove 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 Cedar Grove, you can visit Hourly UV Index in Cedar Grove.

Maximum UV Index Levels in Cedar Grove for December

The chart shows the monthly maximum UV Index (UVI) for Cedar Grove 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 Cedar Grove typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Cedar Grove 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 Cedar Grove Compares to Other Months

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

This table compares monthly weather conditions in Cedar Grove, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)61 mm (2.4 inches)85%low
February Weather-4°C (26°F)60 mm (2.4 inches)85%moderate
March Weather1°C (33°F)69 mm (2.7 inches)85%moderate
April Weather4°C (39°F)107 mm (4.2 inches)85%very high
May Weather8°C (47°F)126 mm (5.0 inches)78%very high
June Weather14°C (58°F)96 mm (3.8 inches)80%very high
July Weather20°C (68°F)80 mm (3.1 inches)78%very high
August Weather21°C (70°F)69 mm (2.7 inches)76%very high
September Weather18°C (65°F)93 mm (3.7 inches)79%high
October Weather12°C (53°F)126 mm (5.0 inches)83%moderate
November Weather4°C (39°F)58 mm (2.3 inches)88%moderate
December Weather0°C (33°F)59 mm (2.3 inches)81%low

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