December Weather in Marianna, United States

Last updated: June 24, 2025

In December, the average temperature in Marianna, United States hovers around 9°C (48°F). Expect a chilly minimum of -9°C (16°F) and a pleasant maximum of 26°C (79°F). With an average precipitation of 151 mm (5.9 in) spread over 10 days, and a high average humidity of 88%, be prepared for a damp and crisp atmosphere!

December Temperature in Marianna

In December in Marianna, the average temperature is 9°C (48°F). The maximum can reach 26°C (79°F), while the minimum can drop as low as -9°C (16°F). Be sure to pack layered clothing to stay comfortable during your travels.

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 9°C (48°F), with highs reaching up to 26°C (79°F) and lows dropping to around -9°C (16°F).

Data source: Temperature data for Marianna generated using information from the Copernicus Climate Change Service.

December Precipitation in Marianna

In Marianna in December, the precipitation amount is 151 mm (5.9 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 151 mm (5.9 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Marianna

In Marianna in December, humidity is 88%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill settling into your bones, making outdoor exploration feel heavy and oppressive.

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 88%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	109 mm (4.3 inches)	84%	moderate
February Weather	8°C (47°F)	169 mm (6.6 inches)	83%	high
March Weather	14°C (57°F)	162 mm (6.4 inches)	81%	very high
April Weather	17°C (62°F)	143 mm (5.6 inches)	81%	very high
May Weather	22°C (73°F)	144 mm (5.7 inches)	83%	extreme
June Weather	26°C (79°F)	118 mm (4.6 inches)	83%	extreme
July Weather	28°C (82°F)	128 mm (5.1 inches)	81%	extreme
August Weather	27°C (81°F)	109 mm (4.3 inches)	74%	very high
September Weather	25°C (77°F)	84 mm (3.3 inches)	71%	very high
October Weather	19°C (66°F)	125 mm (4.9 inches)	76%	high
November Weather	11°C (52°F)	79 mm (3.1 inches)	84%	moderate
December Weather	9°C (48°F)	151 mm (5.9 inches)	88%	moderate