December Weather in Portneuf, Canada

Last updated: June 18, 2025

In December, the average temperature in Portneuf, Canada hovers around -8°C (19°F). Expect chilly extremes, with minimums dipping to -27°C (-17°F) and occasional highs reaching up to 12°C (54°F). The month brings about 107 mm (4.2 in) of precipitation spread over 12 days, while the air remains notably damp with an average humidity of 92%. Stay warm and be prepared for the wet conditions!

December Temperature in Portneuf

In December in Portneuf, the average temperature is -8°C (19°F). Maximums can reach 12°C (54°F), while minimums can drop as low as -27°C (-17°F). Travelers should be prepared for extreme cold and pack accordingly.

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

The chart illustrates December temperature patterns in Portneuf, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portneuf, December typically has an average temperature of -8°C (19°F), with highs reaching up to 12°C (54°F) and lows dropping to around -27°C (-17°F).

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

December Precipitation in Portneuf

In Portneuf in December, the precipitation amount is 107 mm (4.2 in) spread over 12 days.

December Precipitation Trends in Portneuf

The chart displays monthly precipitation patterns in Portneuf, 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 Portneuf, December typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 12 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 Portneuf

In Portneuf in December, humidity is 92%. With an average temperature of -8°C (19°F), this humidity feels like a frigid blanket of cold air clinging to your skin, making travel outside feel less like a winter wonderland and more like an icy challenge.

December Average Humidity in Portneuf

This chart illustrates the average monthly humidity levels in Portneuf, 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 Portneuf is approximately 92%, 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 Portneuf

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

Maximum UV Index Levels in Portneuf for December

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

Data source: Portneuf 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 Portneuf Compares to Other Months

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

This table compares monthly weather conditions in Portneuf, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-11°C (13°F)	87 mm (3.4 inches)	95%	low
February Weather	-9°C (16°F)	87 mm (3.4 inches)	93%	moderate
March Weather	-4°C (25°F)	97 mm (3.8 inches)	90%	moderate
April Weather	4°C (39°F)	117 mm (4.6 inches)	87%	high
May Weather	12°C (54°F)	107 mm (4.2 inches)	79%	very high
June Weather	17°C (63°F)	128 mm (5.1 inches)	73%	very high
July Weather	20°C (68°F)	126 mm (5.0 inches)	81%	very high
August Weather	19°C (66°F)	120 mm (4.7 inches)	81%	very high
September Weather	14°C (58°F)	109 mm (4.3 inches)	81%	high
October Weather	8°C (46°F)	139 mm (5.5 inches)	87%	moderate
November Weather	-1°C (31°F)	133 mm (5.2 inches)	89%	moderate
December Weather	-8°C (19°F)	107 mm (4.2 inches)	92%	low