December Weather in Donaldsonville, United States

Last updated: June 24, 2025

In Donaldsonville, United States, the average temperature in December hovers around 14°C (58°F). You'll experience a temperature range from a brisk -1°C (30°F) to a warm 28°C (82°F). With an average precipitation of 105 mm (4.1 in) over 11 days, and an average humidity of 84%, be prepared for a mix of mild and damp conditions during your visit!

December Temperature in Donaldsonville

In December in Donaldsonville, the average temperature is 14°C (58°F). The maximum can reach 28°C (82°F), and the minimum can be as low as -1°C (30°F). Be prepared for a wide range of temperatures to ensure a comfortable and enjoyable trip.

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

The chart illustrates December temperature patterns in Donaldsonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Donaldsonville, December typically has an average temperature of 14°C (58°F), with highs reaching up to 28°C (82°F) and lows dropping to around -1°C (30°F).

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

December Precipitation in Donaldsonville

In Donaldsonville in December, the precipitation amount is 105 mm (4.1 in) over the course of 11 days.

December Precipitation Trends in Donaldsonville

The chart displays monthly precipitation patterns in Donaldsonville, 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 Donaldsonville, December typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 11 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 Donaldsonville

In Donaldsonville in December humidity is 84%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket enveloping you, making every step feel sluggish and damp, which can be uncomfortable for traveling.

December Average Humidity in Donaldsonville

This chart illustrates the average monthly humidity levels in Donaldsonville, 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 Donaldsonville is approximately 84%, 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 Donaldsonville

In Donaldsonville in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Donaldsonville.

Maximum UV Index Levels in Donaldsonville for December

The chart shows the monthly maximum UV Index (UVI) for Donaldsonville 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 Donaldsonville typically reaches 5, which falls under the moderate exposure category.

Data source: Donaldsonville 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 Donaldsonville Compares to Other Months

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

This table compares monthly weather conditions in Donaldsonville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	95 mm (3.8 inches)	81%	moderate
February Weather	15°C (60°F)	112 mm (4.4 inches)	81%	very high
March Weather	18°C (65°F)	69 mm (2.7 inches)	79%	very high
April Weather	21°C (69°F)	118 mm (4.6 inches)	81%	extreme
May Weather	25°C (77°F)	138 mm (5.4 inches)	77%	extreme
June Weather	27°C (81°F)	207 mm (8.2 inches)	74%	extreme
July Weather	28°C (82°F)	220 mm (8.7 inches)	74%	extreme
August Weather	28°C (82°F)	220 mm (8.7 inches)	73%	extreme
September Weather	26°C (80°F)	166 mm (6.5 inches)	79%	extreme
October Weather	23°C (73°F)	118 mm (4.6 inches)	77%	very high
November Weather	16°C (61°F)	67 mm (2.6 inches)	81%	high
December Weather	14°C (58°F)	105 mm (4.1 inches)	84%	moderate