December Weather in Harrisville, United States

Last updated: June 24, 2025

In December, the average temperature in Harrisville, United States hovers around -3°C (26°F). During this time, temperatures can plunge to a chilling -31°C (-24°F) or reach a milder 16°C (60°F). Expect 102 mm (4.0 in) of precipitation spread over 15 days, with an average humidity level of 89%, creating a notably crisp atmosphere.

December Temperature in Harrisville

In December, in Harrisville, the average temperature is -3°C (26°F). Maximum temperatures can reach 16°C (60°F), while minimums can drop as low as -31°C (-24°F). It's important to pack warm clothing and be prepared for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Harrisville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harrisville, December typically has an average temperature of -3°C (26°F), with highs reaching up to 16°C (60°F) and lows dropping to around -31°C (-24°F).

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

December Precipitation in Harrisville

In Harrisville in December, the precipitation amount is 102 mm (4.0 in) over the course of 15 days.

December Precipitation Trends in Harrisville

The chart displays monthly precipitation patterns in Harrisville, 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 Harrisville, December typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 15 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 Harrisville

In Harrisville in December, humidity is 89%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring layered clothing to stay warm as you explore.

December Average Humidity in Harrisville

This chart illustrates the average monthly humidity levels in Harrisville, 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 Harrisville is approximately 89%, 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 Harrisville

In Harrisville 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 Harrisville, you can visit Hourly UV Index in Harrisville.

Maximum UV Index Levels in Harrisville for December

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

Data source: Harrisville 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 Harrisville Compares to Other Months

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

This table compares monthly weather conditions in Harrisville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	100 mm (3.9 inches)	93%	low
February Weather	-5°C (23°F)	94 mm (3.7 inches)	93%	moderate
March Weather	-1°C (30°F)	99 mm (3.9 inches)	86%	high
April Weather	6°C (43°F)	127 mm (5.0 inches)	82%	very high
May Weather	13°C (56°F)	117 mm (4.6 inches)	75%	very high
June Weather	18°C (65°F)	119 mm (4.7 inches)	68%	very high
July Weather	21°C (70°F)	148 mm (5.8 inches)	69%	very high
August Weather	20°C (68°F)	123 mm (4.9 inches)	67%	very high
September Weather	16°C (61°F)	84 mm (3.3 inches)	72%	high
October Weather	10°C (50°F)	169 mm (6.7 inches)	83%	moderate
November Weather	2°C (35°F)	127 mm (5.0 inches)	88%	moderate
December Weather	-3°C (26°F)	102 mm (4.0 inches)	89%	low