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December Weather in Port Gibson, United States

Last updated: June 24, 2025

In Port Gibson, United States, the average temperature in December hovers around 12°C (53°F). Visitors can expect a range of temperatures, from a chilly -3°C (27°F) to a warm 28°C (83°F). With an average precipitation of 117 mm (4.6 in) spread over 11 days, it's a good idea to pack an umbrella. Moreover, the average humidity during this time is a high 88%, contributing to a rich, atmospheric experience.

December Temperature in Port Gibson

In December in Port Gibson, the average temperature is 12°C (53°F), with maximums reaching 28°C (83°F) and minimums dipping as low as -3°C (27°F). It's advisable to pack layers to accommodate the wide temperature range during your travels.

December Weather in Port Gibson: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Port Gibson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Gibson, December typically has an average temperature of 12°C (53°F), with highs reaching up to 28°C (83°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec505462657480828279705653
Data source: Temperature data for Port Gibson 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 Port Gibson

In Port Gibson in December, the total precipitation amount reaches 117 mm (4.6 in) over the course of 11 days.

December Precipitation Trends in Port Gibson

The chart displays monthly precipitation patterns in Port Gibson, 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 Port Gibson, December typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec113151121168140127991158210786117
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Port Gibson

In Port Gibson in December humidity is 88%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that clings to your skin, making it crucial to dress in layers and stay prepared for the discomfort while exploring.

December Average Humidity in Port Gibson

This chart illustrates the average monthly humidity levels in Port Gibson, 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 Port Gibson is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%83%80%81%81%78%79%79%79%77%85%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Port Gibson

In Port Gibson in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Port Gibson for better planning.

Maximum UV Index Levels in Port Gibson for December

The chart shows the monthly maximum UV Index (UVI) for Port Gibson 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 Port Gibson typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111112121110864
Data source: Port Gibson 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 Port Gibson Compares to Other Months

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

This table compares monthly weather conditions in Port Gibson, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)113 mm (4.5 inches)83%moderate
February Weather12°C (55°F)151 mm (5.9 inches)83%high
March Weather17°C (62°F)121 mm (4.7 inches)80%very high
April Weather19°C (66°F)168 mm (6.6 inches)81%extreme
May Weather24°C (75°F)140 mm (5.5 inches)81%extreme
June Weather27°C (80°F)127 mm (5.0 inches)78%extreme
July Weather28°C (83°F)99 mm (3.9 inches)79%extreme
August Weather28°C (82°F)115 mm (4.5 inches)79%extreme
September Weather26°C (80°F)82 mm (3.2 inches)79%very high
October Weather21°C (70°F)107 mm (4.2 inches)77%very high
November Weather14°C (57°F)86 mm (3.4 inches)85%high
December Weather12°C (53°F)117 mm (4.6 inches)88%moderate

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