December Weather in Castle Hayne, United States

Last updated: June 24, 2025

In December, the average temperature in Castle Hayne, United States hovers around 11°C (52°F). Expect a wide range of temperatures, with minimums dipping to -4°C (25°F) and maximums reaching up to 24°C (75°F). This month also brings about 127 mm (5.0 in) of precipitation spread over 10 days, contributing to an average humidity of 86%.

December Temperature in Castle Hayne

In December in Castle Hayne, the average temperature is 11°C (52°F). The maximum can reach 24°C (75°F), while the minimum can be as low as -4°C (25°F). Be prepared for a wide range of weather conditions when traveling during this time.

December Weather in Castle Hayne: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Castle Hayne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castle Hayne, December typically has an average temperature of 11°C (52°F), with highs reaching up to 24°C (75°F) and lows dropping to around -4°C (25°F).

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

December Precipitation in Castle Hayne

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

December Precipitation Trends in Castle Hayne

The chart displays monthly precipitation patterns in Castle Hayne, 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 Castle Hayne, 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.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Castle Hayne

In Castle Hayne in December humidity is 86%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting travelers to seek sheltered spots or indoor attractions to escape the uncomfortable dampness.

December Average Humidity in Castle Hayne

This chart illustrates the average monthly humidity levels in Castle Hayne, 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 Castle Hayne is approximately 86%, 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 Castle Hayne

In Castle Hayne 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 Castle Hayne for better planning.

Maximum UV Index Levels in Castle Hayne for December

The chart shows the monthly maximum UV Index (UVI) for Castle Hayne 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 Castle Hayne typically reaches 4, which falls under the moderate exposure category.

Data source: Castle Hayne 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 Castle Hayne Compares to Other Months

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

This table compares monthly weather conditions in Castle Hayne, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	69 mm (2.7 inches)	85%	moderate
February Weather	12°C (53°F)	103 mm (4.1 inches)	82%	high
March Weather	13°C (56°F)	73 mm (2.9 inches)	81%	very high
April Weather	18°C (64°F)	97 mm (3.8 inches)	80%	very high
May Weather	22°C (72°F)	112 mm (4.4 inches)	81%	extreme
June Weather	25°C (77°F)	156 mm (6.1 inches)	81%	extreme
July Weather	27°C (80°F)	169 mm (6.6 inches)	81%	extreme
August Weather	26°C (80°F)	209 mm (8.2 inches)	80%	very high
September Weather	25°C (76°F)	215 mm (8.5 inches)	79%	very high
October Weather	21°C (69°F)	67 mm (2.6 inches)	80%	very high
November Weather	13°C (57°F)	118 mm (4.6 inches)	85%	high
December Weather	11°C (52°F)	127 mm (5.0 inches)	86%	moderate