January Weather in St. George, Canada

Last updated: June 18, 2025

In January, the average temperature in St. George, Canada hovers around -4°C (25°F). Expect a chill, with minimums dipping as low as -27°C (-16°F) and highs reaching up to 13°C (56°F). This month also brings about 70 mm (2.7 in) of precipitation over 8 days, contributing to an average humidity level of 90%. Stay warm and prepared!

January Temperature in St. George

In January in St. George, the average temperature is -4°C (25°F), with a maximum reaching 13°C (56°F) and a minimum dropping as low as -27°C (-16°F). Be prepared for a wide range of temperatures while traveling during this month.

January Weather in St. George: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in St. George, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St. George, January typically has an average temperature of -4°C (25°F), with highs reaching up to 13°C (56°F) and lows dropping to around -27°C (-16°F).

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

January Precipitation in St. George

In St. George in January, the precipitation amount is 70 mm (2.7 in) spread over 8 days.

January Precipitation Trends in St. George

The chart displays monthly precipitation patterns in St. George, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In St. George, January typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in St. George

In St. George in January humidity is 90%. With an average temperature of -4°C (25°F), this humidity feels like a dense, icy blanket wrapping around you, making travel feel particularly stifling in the cold despite the sub-zero temperatures.

January Average Humidity in St. George

This chart illustrates the average monthly humidity levels in St. George, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in St. George is approximately 90%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in St. George

In St. George in January, 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 St. George, you can visit Hourly UV Index in St. George.

Maximum UV Index Levels in St. George for January

The chart shows the monthly maximum UV Index (UVI) for St. George in January, 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 January, the maximum UV index in St. George typically reaches 2, which falls under the low exposure category.

Data source: St. George January 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 January Weather in St. George Compares to Other Months

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

This table compares monthly weather conditions in St. George, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	70 mm (2.7 inches)	90%	low
February Weather	-4°C (26°F)	74 mm (2.9 inches)	90%	moderate
March Weather	1°C (33°F)	65 mm (2.6 inches)	87%	moderate
April Weather	6°C (44°F)	98 mm (3.9 inches)	87%	very high
May Weather	14°C (57°F)	97 mm (3.8 inches)	82%	very high
June Weather	19°C (67°F)	103 mm (4.1 inches)	81%	very high
July Weather	22°C (72°F)	82 mm (3.2 inches)	79%	very high
August Weather	21°C (70°F)	90 mm (3.5 inches)	80%	very high
September Weather	17°C (63°F)	71 mm (2.8 inches)	81%	high
October Weather	11°C (52°F)	100 mm (3.9 inches)	84%	moderate
November Weather	3°C (38°F)	75 mm (3.0 inches)	88%	moderate
December Weather	-1°C (30°F)	70 mm (2.8 inches)	87%	low