December Weather in Bay Head, United States

Last updated: June 24, 2025

In December, the average temperature in Bay Head, 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 Bay Head

In December in Bay Head, 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 Bay Head: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Bay Head, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bay Head, 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 Bay Head generated using information from the Copernicus Climate Change Service.

December Precipitation in Bay Head

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

December Precipitation Trends in Bay Head

The chart displays monthly precipitation patterns in Bay Head, 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 Bay Head, 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 Bay Head

In Bay Head 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 Bay Head

This chart illustrates the average monthly humidity levels in Bay Head, 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 Bay Head 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 Bay Head

In Bay Head 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 Bay Head, you can check the information here.

Maximum UV Index Levels in Bay Head for December

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

Data source: Bay Head 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 Bay Head Compares to Other Months

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

This table compares monthly weather conditions in Bay Head, 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