February Weather in St. Catharines, Canada

Last updated: June 18, 2025

In St. Catharines, Canada, the average temperature in February hovers around -2°C (29°F). Expect chills, as temperatures can dip as low as -19°C (-2°F), while the highs may reach up to 14°C (57°F). The month brings along 86 mm (3.4 in) of precipitation spread over 13 days, contributing to an average humidity of a brisk 91%.

February Temperature in St. Catharines

In February in St. Catharines, the average temperature is -2°C (29°F). The maximum can reach 14°C (57°F), while the minimum can drop as low as -19°C (-2°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

February Weather in St. Catharines: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in St. Catharines, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St. Catharines, February typically has an average temperature of -2°C (29°F), with highs reaching up to 14°C (57°F) and lows dropping to around -19°C (-2°F).

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

February Precipitation in St. Catharines

In St. Catharines, in February, the precipitation amount is 86 mm (3.4 in) over the course of 13 days.

February Precipitation Trends in St. Catharines

The chart displays monthly precipitation patterns in St. Catharines, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In St. Catharines, February typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 13 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

February Humidity in St. Catharines

In St. Catharines in February, humidity is 91%. With an average temperature of -2°C (29°F), this humidity feels like a chilling embrace that can quickly sap your energy, making outdoor adventures uncomfortable and dampening the joy of exploration.

February Average Humidity in St. Catharines

This chart illustrates the average monthly humidity levels in St. Catharines, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in St. Catharines is approximately 91%, offering insight into how humid the weather typically is during this month.

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

February UV Index in St. Catharines

In St. Catharines in February, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in St. Catharines for better planning.

Maximum UV Index Levels in St. Catharines for February

The chart shows the monthly maximum UV Index (UVI) for St. Catharines in February, 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 February, the maximum UV index in St. Catharines typically reaches 4, which falls under the moderate exposure category.

Data source: St. Catharines February 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 February Weather in St. Catharines Compares to Other Months

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

This table compares monthly weather conditions in St. Catharines, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	77 mm (3.0 inches)	91%	low
February Weather	-2°C (29°F)	86 mm (3.4 inches)	91%	moderate
March Weather	1°C (35°F)	71 mm (2.8 inches)	88%	moderate
April Weather	6°C (43°F)	119 mm (4.7 inches)	88%	very high
May Weather	12°C (54°F)	101 mm (4.0 inches)	82%	very high
June Weather	18°C (65°F)	82 mm (3.2 inches)	79%	very high
July Weather	23°C (73°F)	106 mm (4.2 inches)	77%	very high
August Weather	22°C (72°F)	80 mm (3.1 inches)	72%	very high
September Weather	19°C (66°F)	69 mm (2.7 inches)	76%	high
October Weather	13°C (56°F)	126 mm (4.9 inches)	83%	moderate
November Weather	5°C (42°F)	86 mm (3.4 inches)	88%	moderate
December Weather	1°C (35°F)	86 mm (3.4 inches)	87%	low