December Weather in Unity, Canada

Last updated: June 18, 2025

In December, the average temperature in Unity, Canada hovers around -11°C (13°F). Temperatures can plunge as low as -37°C (-35°F), while occasionally peaking at a mild 6°C (43°F). Expect about 15 mm (0.6 in) of precipitation over 3 days, with an average humidity level of a potent 94%.

December Temperature in Unity

In December in Unity, the average temperature is -11°C (13°F), with maximums reaching up to 6°C (43°F) and minimums plummeting as low as -37°C (-35°F). Travelers should prepare for extremely cold conditions and dress accordingly to enjoy their visit.

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

The chart illustrates December temperature patterns in Unity, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Unity, December typically has an average temperature of -11°C (13°F), with highs reaching up to 6°C (43°F) and lows dropping to around -37°C (-35°F).

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

December Precipitation in Unity

In Unity in December, the precipitation amount is 15 mm (0.6 in) over the course of 3 days.

December Precipitation Trends in Unity

The chart displays monthly precipitation patterns in Unity, 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 Unity, December typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 3 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 Unity

In Unity in December humidity is 94%. With an average temperature of -11°C (13°F), this humidity feels like a chilling embrace, making outdoor travel uncomfortable as frost clings to every surface and breath becomes visible in the frozen air.

December Average Humidity in Unity

This chart illustrates the average monthly humidity levels in Unity, 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 Unity is approximately 94%, 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 Unity

In Unity in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Unity.

Maximum UV Index Levels in Unity for December

The chart shows the monthly maximum UV Index (UVI) for Unity 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 Unity typically reaches 1, which falls under the low exposure category.

Data source: Unity 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 Unity Compares to Other Months

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

This table compares monthly weather conditions in Unity, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-13°C (9°F)	18 mm (0.7 inches)	91%	low
February Weather	-15°C (5°F)	14 mm (0.6 inches)	93%	moderate
March Weather	-6°C (22°F)	21 mm (0.8 inches)	90%	moderate
April Weather	2°C (35°F)	23 mm (0.9 inches)	81%	high
May Weather	11°C (52°F)	44 mm (1.7 inches)	71%	high
June Weather	16°C (61°F)	71 mm (2.8 inches)	67%	very high
July Weather	18°C (65°F)	76 mm (3.0 inches)	80%	very high
August Weather	17°C (62°F)	40 mm (1.6 inches)	79%	high
September Weather	11°C (52°F)	36 mm (1.4 inches)	75%	high
October Weather	3°C (37°F)	23 mm (0.9 inches)	80%	moderate
November Weather	-6°C (22°F)	30 mm (1.2 inches)	86%	low
December Weather	-11°C (13°F)	15 mm (0.6 inches)	94%	low