February Weather in Sarnia, Canada

Last updated: June 18, 2025

In February, the average temperature in Sarnia, Canada hovers around -3°C (28°F). Expect a frigid range, with minimum lows of -24°C (-11°F) and occasional highs reaching 15°C (59°F). This month typically experiences 66 mm (2.6 in) of precipitation spread over 10 days, contributing to an average humidity level of 87%. Prepare accordingly for a chilly and damp atmosphere!

February Temperature in Sarnia

In February in Sarnia, the average temperature is -3°C (28°F), with maximums reaching up to 15°C (59°F) and minimums dropping to as low as -24°C (-11°F). Ensure you're prepared for varying temperatures if you plan to travel during this time.

February Weather in Sarnia: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Sarnia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sarnia, February typically has an average temperature of -3°C (28°F), with highs reaching up to 15°C (59°F) and lows dropping to around -24°C (-11°F).

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

February Precipitation in Sarnia

In Sarnia in February, the precipitation amount is 66 mm (2.6 in) over the course of 10 days.

February Precipitation Trends in Sarnia

The chart displays monthly precipitation patterns in Sarnia, 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 Sarnia, February typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

February Humidity in Sarnia

In Sarnia in February humidity is 87%. With an average temperature of -3°C (28°F), this humidity feels like a biting chill that clings to your skin, making travel quite uncomfortable and forcing you to bundle up extra just to stay warm.

February Average Humidity in Sarnia

This chart illustrates the average monthly humidity levels in Sarnia, 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 Sarnia is approximately 87%, 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 Sarnia

In Sarnia 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 Sarnia for better planning.

Maximum UV Index Levels in Sarnia for February

The chart shows the monthly maximum UV Index (UVI) for Sarnia 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 Sarnia typically reaches 4, which falls under the moderate exposure category.

Data source: Sarnia 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 Sarnia Compares to Other Months

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

This table compares monthly weather conditions in Sarnia, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	60 mm (2.4 inches)	88%	low
February Weather	-3°C (28°F)	66 mm (2.6 inches)	87%	moderate
March Weather	1°C (35°F)	63 mm (2.5 inches)	85%	moderate
April Weather	7°C (45°F)	95 mm (3.7 inches)	86%	very high
May Weather	13°C (57°F)	97 mm (3.8 inches)	80%	very high
June Weather	20°C (68°F)	86 mm (3.4 inches)	80%	very high
July Weather	23°C (73°F)	73 mm (2.9 inches)	80%	very high
August Weather	22°C (72°F)	79 mm (3.1 inches)	80%	very high
September Weather	18°C (65°F)	73 mm (2.9 inches)	80%	high
October Weather	12°C (54°F)	106 mm (4.2 inches)	84%	moderate
November Weather	4°C (40°F)	72 mm (2.8 inches)	89%	moderate
December Weather	0°C (33°F)	55 mm (2.2 inches)	86%	low