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December Weather in Macon, United States

Last updated: June 24, 2025

In December, the average temperature in Macon, United States hovers around 2°C (36°F). However, temperatures can vary significantly, ranging from a chilling -20°C (-3°F) to a warm 23°C (74°F). Expect some moisture, with an average precipitation of 40 mm (1.6 in) spread over 6 days, and keep in mind the climate is quite humid, boasting an average humidity of 86%.

December Temperature in Macon

In December, in Macon, the average temperature is 2°C (36°F), with maximums reaching up to 23°C (74°F) and minimums dropping as low as -20°C (-3°F). Be prepared for a wide range of temperatures when traveling to Macon during this time.

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

The chart illustrates December temperature patterns in Macon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Macon, December typically has an average temperature of 2°C (36°F), with highs reaching up to 23°C (74°F) and lows dropping to around -20°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec293144536576797571564236
Data source: Temperature data for Macon 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 Macon

In Macon in December, the precipitation amount is 40 mm (1.6 in) over the course of 6 days.

December Precipitation Trends in Macon

The chart displays monthly precipitation patterns in Macon, 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 Macon, December typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec61541161001941248790651155040
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Macon

In Macon in December, humidity is 86%. With an average temperature of 2°C (36°F), this humidity feels like a biting chill that clings to your skin, making outdoor exploration uncomfortable and dampening any enthusiasm for travel.

December Average Humidity in Macon

This chart illustrates the average monthly humidity levels in Macon, 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 Macon is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Macon

In Macon in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Macon, you can check the information here.

Maximum UV Index Levels in Macon for December

The chart shows the monthly maximum UV Index (UVI) for Macon 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 Macon typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Macon 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 Macon Compares to Other Months

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

This table compares monthly weather conditions in Macon, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)61 mm (2.4 inches)80%moderate
February Weather0°C (32°F)54 mm (2.1 inches)78%moderate
March Weather7°C (45°F)116 mm (4.6 inches)75%high
April Weather12°C (53°F)100 mm (3.9 inches)77%very high
May Weather18°C (66°F)194 mm (7.6 inches)82%very high
June Weather24°C (76°F)124 mm (4.9 inches)83%extreme
July Weather26°C (79°F)87 mm (3.4 inches)81%extreme
August Weather24°C (76°F)90 mm (3.5 inches)78%very high
September Weather22°C (71°F)65 mm (2.5 inches)72%very high
October Weather13°C (57°F)115 mm (4.5 inches)72%high
November Weather6°C (42°F)50 mm (2.0 inches)84%moderate
December Weather2°C (36°F)40 mm (1.6 inches)86%moderate

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