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December Weather in Greenwood, United States

Last updated: June 24, 2025

In Greenwood, United States, the average temperature in December hovers around -4°C (24°F), with extremes reaching a chilling -26°C (-15°F) at minimum and a warming 14°C (58°F) at maximum. Expect 123 mm (4.8 in) of precipitation, typically spread over 10 days. With an average humidity of 85%, you’ll certainly feel the dampness in the air during this chilly month.

December Temperature in Greenwood

In December in Greenwood, the average temperature is -4°C (24°F). Maximum temperatures can reach 14°C (58°F), while the minimum can dip as low as -26°C (-15°F). Be prepared for a wide range of temperatures and pack accordingly for your trip.

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

The chart illustrates December temperature patterns in Greenwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greenwood, December typically has an average temperature of -4°C (24°F), with highs reaching up to 14°C (58°F) and lows dropping to around -26°C (-15°F).
JanFebMarAprMayJunJulAugSepOctNovDec192229415464696760493424
Data source: Temperature data for Greenwood 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 Greenwood

In Greenwood in December, the total precipitation amount is 123 mm (4.8 in) over the course of 10 days.

December Precipitation Trends in Greenwood

The chart displays monthly precipitation patterns in Greenwood, 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 Greenwood, December typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec84897313388871419764135112123
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Greenwood

In Greenwood in December, humidity is 85%. With an average temperature of -4°C (24°F), this humidity feels like a biting chill that penetrates your layers, making outdoor exploration uncomfortable and urging you to seek warm shelter frequently.

December Average Humidity in Greenwood

This chart illustrates the average monthly humidity levels in Greenwood, 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 Greenwood is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%78%72%75%74%77%85%86%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Greenwood

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

Maximum UV Index Levels in Greenwood for December

The chart shows the monthly maximum UV Index (UVI) for Greenwood 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 Greenwood typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468910997532
Data source: Greenwood 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 Greenwood Compares to Other Months

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

This table compares monthly weather conditions in Greenwood, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)84 mm (3.3 inches)91%low
February Weather-6°C (22°F)89 mm (3.5 inches)89%moderate
March Weather-2°C (29°F)73 mm (2.9 inches)85%high
April Weather5°C (42°F)133 mm (5.2 inches)84%very high
May Weather12°C (54°F)88 mm (3.5 inches)78%very high
June Weather18°C (64°F)87 mm (3.4 inches)72%very high
July Weather21°C (69°F)141 mm (5.6 inches)75%very high
August Weather20°C (68°F)97 mm (3.8 inches)74%very high
September Weather16°C (61°F)64 mm (2.5 inches)77%high
October Weather9°C (49°F)135 mm (5.3 inches)85%moderate
November Weather1°C (34°F)112 mm (4.4 inches)86%moderate
December Weather-4°C (24°F)123 mm (4.8 inches)85%low

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