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December Weather in Marianna, United States

Last updated: June 24, 2025

In Marianna, United States, the average temperature for December is a crisp 13°C (56°F). Expect a temperature range that can dip to a chilly -4°C (25°F) and soar up to a warm 27°C (81°F). During this month, you'll experience around 132 mm (5.2 in) of precipitation spread over 10 days, with humidity levels averaging a high 86%.

December Temperature in Marianna

In December, in Marianna, the average temperature is 13°C (56°F). Maximums can reach 27°C (81°F), while minimums can dip as low as -4°C (25°F). Travelers should be prepared for a wide range of temperatures and pack appropriately for both warm and cool conditions.

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

The chart illustrates December temperature patterns in Marianna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marianna, December typically has an average temperature of 13°C (56°F), with highs reaching up to 27°C (81°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec535963677580818179726056
Data source: Temperature data for Marianna 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 Marianna

In Marianna in December, the total precipitation amount is 132 mm (5.2 in) over a span of 10 days.

December Precipitation Trends in Marianna

The chart displays monthly precipitation patterns in Marianna, 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 Marianna, December typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec9012461112981621511871458746132
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Marianna

In Marianna in December, humidity is 86%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or air-conditioned spaces frequently.

December Average Humidity in Marianna

This chart illustrates the average monthly humidity levels in Marianna, 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 Marianna is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%79%77%74%70%78%78%79%74%83%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Marianna

In Marianna 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 Marianna for better planning.

Maximum UV Index Levels in Marianna for December

The chart shows the monthly maximum UV Index (UVI) for Marianna 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 Marianna typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111121110864
Data source: Marianna 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 Marianna Compares to Other Months

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

This table compares monthly weather conditions in Marianna, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (53°F)90 mm (3.5 inches)83%moderate
February Weather15°C (59°F)124 mm (4.9 inches)82%very high
March Weather17°C (63°F)61 mm (2.4 inches)79%very high
April Weather20°C (68°F)112 mm (4.4 inches)77%extreme
May Weather24°C (75°F)98 mm (3.9 inches)74%extreme
June Weather27°C (80°F)162 mm (6.4 inches)70%extreme
July Weather27°C (81°F)151 mm (6.0 inches)78%extreme
August Weather27°C (81°F)187 mm (7.4 inches)78%extreme
September Weather26°C (79°F)145 mm (5.7 inches)79%very high
October Weather22°C (73°F)87 mm (3.4 inches)74%very high
November Weather15°C (60°F)46 mm (1.8 inches)83%high
December Weather13°C (56°F)132 mm (5.2 inches)86%moderate

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