December Weather in Magna, United States

Last updated: June 24, 2025

In Magna, United States, the average temperature in December hovers around -1°C (30°F), with a chilly minimum of -13°C (8°F) and the occasional maximum reaching 15°C (59°F). Expect 47 mm (1.8 in) of precipitation spread over 10 days, contributing to an average humidity of a brisk 88%.

December Temperature in Magna

In December in Magna, the average temperature is -1°C (30°F). The maximum can reach 15°C (59°F), while the minimum can drop as low as -13°C (8°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates December temperature patterns in Magna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Magna, December typically has an average temperature of -1°C (30°F), with highs reaching up to 15°C (59°F) and lows dropping to around -13°C (8°F).

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

December Precipitation in Magna

In Magna in December, the total precipitation amount is 47 mm (1.8 in) spread over a period of 10 days.

December Precipitation Trends in Magna

The chart displays monthly precipitation patterns in Magna, 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 Magna, December typically receives around 47 mm (1.8 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 Magna

In Magna in December humidity is 88%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates through your layers, making travel uncomfortable as every gust of wind becomes a sharp reminder of the cold and damp air surrounding you.

December Average Humidity in Magna

This chart illustrates the average monthly humidity levels in Magna, 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 Magna is approximately 88%, 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 Magna

In Magna in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Magna, you can check the information here.

Maximum UV Index Levels in Magna for December

The chart shows the monthly maximum UV Index (UVI) for Magna 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 Magna typically reaches 3, which falls under the moderate exposure category.

Data source: Magna 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 Magna Compares to Other Months

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

This table compares monthly weather conditions in Magna, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	52 mm (2.0 inches)	91%	moderate
February Weather	1°C (34°F)	60 mm (2.4 inches)	92%	moderate
March Weather	6°C (43°F)	61 mm (2.4 inches)	84%	high
April Weather	10°C (50°F)	65 mm (2.6 inches)	74%	very high
May Weather	15°C (59°F)	50 mm (2.0 inches)	62%	very high
June Weather	22°C (72°F)	15 mm (0.6 inches)	56%	extreme
July Weather	27°C (81°F)	10 mm (0.4 inches)	44%	extreme
August Weather	25°C (78°F)	16 mm (0.6 inches)	37%	very high
September Weather	19°C (67°F)	34 mm (1.3 inches)	46%	very high
October Weather	10°C (50°F)	41 mm (1.6 inches)	67%	high
November Weather	5°C (41°F)	34 mm (1.3 inches)	84%	moderate
December Weather	-1°C (30°F)	47 mm (1.8 inches)	88%	moderate