February Weather in Saint Marys, United States

Last updated: June 24, 2025

In February, the average temperature in Saint Marys, United States hovers around -2°C (29°F). This month can swing dramatically, with lows dipping to -25°C (-12°F) and highs reaching up to 21°C (70°F). Expect a fair amount of precipitation, averaging 107 mm (4.2 in) over 15 days and a high level of humidity at 90%.

February Temperature in Saint Marys

In February in Saint Marys, the average temperature is -2°C (29°F). Maximum temperatures can reach 21°C (70°F), while minimums can drop as low as -25°C (-12°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both mild and extremely cold conditions.

February Weather in Saint Marys: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Saint Marys, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Marys, February typically has an average temperature of -2°C (29°F), with highs reaching up to 21°C (70°F) and lows dropping to around -25°C (-12°F).

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

February Precipitation in Saint Marys

In Saint Marys in February, the total precipitation amount is 107 mm (4.2 in) spread over 15 days.

February Precipitation Trends in Saint Marys

The chart displays monthly precipitation patterns in Saint Marys, 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 Saint Marys, February typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 15 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 Saint Marys

In Saint Marys in February, humidity is 90%. With an average temperature of -2°C (29°F), this humidity feels like an icy breath enveloping you, making every step outdoors feel even colder and more biting, while also creating a heavy, wet atmosphere that can dampen your spirits for traveling.

February Average Humidity in Saint Marys

This chart illustrates the average monthly humidity levels in Saint Marys, 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 Saint Marys is approximately 90%, 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 Saint Marys

In Saint Marys in February, 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 Saint Marys.

Maximum UV Index Levels in Saint Marys for February

The chart shows the monthly maximum UV Index (UVI) for Saint Marys 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 Saint Marys typically reaches 5, which falls under the moderate exposure category.

Data source: Saint Marys 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 Saint Marys Compares to Other Months

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

This table compares monthly weather conditions in Saint Marys, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (26°F)	90 mm (3.5 inches)	89%	moderate
February Weather	-2°C (29°F)	107 mm (4.2 inches)	90%	moderate
March Weather	2°C (36°F)	94 mm (3.7 inches)	89%	high
April Weather	8°C (46°F)	124 mm (4.9 inches)	88%	very high
May Weather	14°C (58°F)	144 mm (5.7 inches)	80%	very high
June Weather	19°C (66°F)	123 mm (4.9 inches)	79%	very high
July Weather	21°C (71°F)	117 mm (4.6 inches)	74%	very high
August Weather	20°C (69°F)	94 mm (3.7 inches)	64%	very high
September Weather	17°C (63°F)	111 mm (4.4 inches)	67%	very high
October Weather	11°C (53°F)	125 mm (4.9 inches)	81%	high
November Weather	3°C (38°F)	94 mm (3.7 inches)	89%	moderate
December Weather	0°C (32°F)	98 mm (3.9 inches)	88%	low