December Weather in Bayville, United States

Last updated: June 24, 2025

In Bayville, United States, the average temperature in December hovers around 5°C (41°F). Expect a chilly minimum of -11°C (13°F), while the mercury can rise to a comfortable maximum of 19°C (66°F). During this month, anticipate 107 mm (4.2 in) of precipitation spread over 10 days, with an average humidity level of 81%, making it a notably damp and cool period.

December Temperature in Bayville

In December in Bayville, the average temperature is 5°C (41°F). Maximum temperatures can reach 19°C (66°F), while minimums can drop as low as -11°C (13°F). Travelers should prepare for a wide range of weather conditions, making layered clothing essential for comfort.

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

The chart illustrates December temperature patterns in Bayville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bayville, December typically has an average temperature of 5°C (41°F), with highs reaching up to 19°C (66°F) and lows dropping to around -11°C (13°F).

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

December Precipitation in Bayville

In Bayville in December, the precipitation amount is 107 mm (4.2 in) accumulated over a period of 10 days.

December Precipitation Trends in Bayville

The chart displays monthly precipitation patterns in Bayville, 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 Bayville, December typically receives around 107 mm (4.2 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 Bayville

In Bayville in December, humidity is 81%. With an average temperature of 5°C (41°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor exploration uncomfortable and requiring warm, waterproof clothing to stay comfortable while traveling.

December Average Humidity in Bayville

This chart illustrates the average monthly humidity levels in Bayville, 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 Bayville 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 Bayville

In Bayville in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Bayville, you can visit Hourly UV Index in Bayville.

Maximum UV Index Levels in Bayville for December

The chart shows the monthly maximum UV Index (UVI) for Bayville 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 Bayville typically reaches 2, which falls under the low exposure category.

Data source: Bayville 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 Bayville Compares to Other Months

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

This table compares monthly weather conditions in Bayville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	67 mm (2.6 inches)	83%	moderate
February Weather	4°C (39°F)	108 mm (4.3 inches)	82%	moderate
March Weather	7°C (44°F)	105 mm (4.1 inches)	81%	high
April Weather	12°C (54°F)	110 mm (4.3 inches)	79%	very high
May Weather	17°C (63°F)	122 mm (4.8 inches)	74%	very high
June Weather	23°C (73°F)	94 mm (3.7 inches)	77%	very high
July Weather	26°C (79°F)	147 mm (5.8 inches)	76%	very high
August Weather	25°C (77°F)	142 mm (5.6 inches)	77%	very high
September Weather	22°C (71°F)	101 mm (4.0 inches)	74%	very high
October Weather	16°C (62°F)	141 mm (5.5 inches)	75%	high
November Weather	9°C (48°F)	90 mm (3.6 inches)	80%	moderate
December Weather	5°C (41°F)	107 mm (4.2 inches)	81%	low