Best year time to visit Saint Marys

General weather information about Saint Marys

Average annual temperature is 0.1 °C

Absolute maximum temperature: 24.6 °C

Absolute minimum temperature: -22.0 °C

Number of sunny days: 114 days

Number of rainy days: 145 days

Number of snow days: 106 days

* Weather data for Saint Marys United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	2.6	6.4	5.6	11.2	14.7	19.8	24.4	24.6	21.5	15.5	8.9	5.4
Average daytime temperature (°C)	-5.2	-2.8	-1.9	3.4	9.5	13.7	20.5	19.1	15.8	8.6	1.3	-2.0
Average temperature (°C)	-9.2	-9.2	-8.0	-3.3	3.0	6.5	12.4	11.6	7.6	1.6	-4.9	-7.8
Average night temperature (°C)	-12.3	-12.9	-13.1	-8.2	-2.3	-0.3	5.0	5.0	0.8	-3.8	-9.4	-12.1
Absolute minimum temperature (°C)	-19.4	-22.0	-20.6	-18.3	-6.4	-2.1	0.9	1.6	-4.1	-19.6	-18.8	-18.9

The best time to visit Saint Marys during the most sunny months:

The largest precipitation sum in Saint Marys is at

May — 108(mm)

June — 126(mm)

August — 112(mm)

When is the best time to visit Saint Marys?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Saint Marys.

What is the weather like in Saint Marys?

See average temperature, rainfall and daylight hours for Saint Marys by month in the table above.

How many sunny days does Saint Marys have?

The monthly weather statistics above show sunshine and rainfall patterns for Saint Marys throughout the year.