March Weather in St. George, Canada

Last updated: June 18, 2025

In March, the average temperature in St. George, Canada hovers at a chilly 1°C (33°F). Expect a temperature range where it can dip as low as -23°C (-8°F) and rise to a comfortable 20°C (68°F). Precipitation is a factor, with about 65 mm (2.6 in) falling over 9 days, and you'll feel the moist air with an average humidity of 87%.

March Temperature in St. George

In March in St. George, the average temperature is 1°C (33°F). The maximum can reach 20°C (68°F) and the minimum can be as low as -23°C (-8°F). Make sure to pack layers to stay comfortable while exploring the diverse weather conditions.

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

The chart illustrates March 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, March typically has an average temperature of 1°C (33°F), with highs reaching up to 20°C (68°F) and lows dropping to around -23°C (-8°F).

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

March Precipitation in St. George

In St. George in March, the precipitation amount is 65 mm (2.6 in) over the course of 9 days.

March Precipitation Trends in St. George

The chart displays monthly precipitation patterns in St. George, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In St. George, March typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

March Humidity in St. George

In St. George in March, humidity is 87%. With an average temperature of 1°C (33°F), this humidity feels like a chilling blanket, making traveling uncomfortable as the cold air clings to your skin, amplifying the frosty bite and dampness that can quickly lead to a sense of unease.

March Average Humidity in St. George

This chart illustrates the average monthly humidity levels in St. George, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in St. George is approximately 87%, offering insight into how humid the weather typically is during this month.

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

March UV Index in St. George

In St. George in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in St. George.

Maximum UV Index Levels in St. George for March

The chart shows the monthly maximum UV Index (UVI) for St. George in March, 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 March, the maximum UV index in St. George typically reaches 5, which falls under the moderate exposure category.

Data source: St. George March 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 March 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 March’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 March’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