December Weather in Brielle, United States

Last updated: June 24, 2025

In December, the average temperature in Brielle, United States is a cool 6°C (42°F), with temperature extremes ranging from a brisk -9°C (16°F) to a comfortable 18°C (64°F). Expect 127 mm (5.0 in) of precipitation over approximately 10 days, contributing to a rather humid atmosphere with an average humidity of 81%. Get ready for a mix of chilly days and refreshing rain!

December Temperature in Brielle

In December in Brielle, the average temperature is 6°C (42°F), with maximums reaching up to 18°C (64°F) and minimums dropping as low as -9°C (16°F). Travelers should be prepared for a wide range of temperatures, so layering clothing is recommended for comfort.

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

The chart illustrates December temperature patterns in Brielle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brielle, December typically has an average temperature of 6°C (42°F), with highs reaching up to 18°C (64°F) and lows dropping to around -9°C (16°F).

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

December Precipitation in Brielle

In Brielle in December, the precipitation amount is 127 mm (5.0 in), spread over a period of 10 days.

December Precipitation Trends in Brielle

The chart displays monthly precipitation patterns in Brielle, 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 Brielle, December typically receives around 127 mm (5.0 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 Brielle

In Brielle in December humidity is 81%. With an average temperature of 6°C (42°F), this humidity feels like a chilly, damp embrace that can make outdoor activities uncomfortable and somewhat drizzling, leaving travelers yearning for warmer, dryer conditions.

December Average Humidity in Brielle

This chart illustrates the average monthly humidity levels in Brielle, 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 Brielle is approximately 81%, 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 Brielle

In Brielle 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 Brielle, you can check the information here.

Maximum UV Index Levels in Brielle for December

The chart shows the monthly maximum UV Index (UVI) for Brielle 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 Brielle typically reaches 3, which falls under the moderate exposure category.

Data source: Brielle 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 Brielle Compares to Other Months

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

This table compares monthly weather conditions in Brielle, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	77 mm (3.0 inches)	83%	moderate
February Weather	4°C (39°F)	124 mm (4.9 inches)	82%	moderate
March Weather	6°C (43°F)	110 mm (4.3 inches)	81%	high
April Weather	11°C (51°F)	118 mm (4.6 inches)	79%	very high
May Weather	15°C (60°F)	126 mm (4.9 inches)	74%	very high
June Weather	21°C (70°F)	84 mm (3.3 inches)	77%	very high
July Weather	25°C (77°F)	129 mm (5.1 inches)	76%	very high
August Weather	24°C (76°F)	131 mm (5.2 inches)	77%	very high
September Weather	21°C (71°F)	101 mm (4.0 inches)	74%	very high
October Weather	17°C (63°F)	159 mm (6.2 inches)	75%	high
November Weather	10°C (50°F)	102 mm (4.0 inches)	80%	moderate
December Weather	6°C (42°F)	127 mm (5.0 inches)	81%	moderate