Best year time to visit Saint Mary's County

General weather information about Saint Mary's County

Average annual temperature is 15.4 °C

Absolute maximum temperature: 36.7 °C

Absolute minimum temperature: -7.8 °C

Number of sunny days: 183 days

Number of rainy days: 182 days

* Weather data for Saint Mary's County 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)	18.6	24.2	23.8	30.7	27.5	30.8	36.7	35.1	34.8	29.3	25.8	17.9
Average daytime temperature (°C)	11.2	12.7	13.9	21.5	21.6	26.6	31.1	29.8	26.4	21.7	14.1	11.6
Average temperature (°C)	7.1	7.9	8.6	15.7	17.0	21.6	26.1	25.0	22.0	16.5	9.3	7.1
Average night temperature (°C)	3.7	3.7	4.2	11.3	13.2	17.5	22.2	21.3	18.3	12.4	5.6	3.7
Absolute minimum temperature (°C)	-1.7	-7.8	-2.7	3.6	7.1	13.3	19.9	17.9	14.0	6.9	-3.5	-2.4

The best time to visit Saint Mary's County during the most sunny months:

The largest precipitation sum in Saint Mary's County is at

April — 152(mm)

September — 107(mm)

December — 154(mm)

When is the best time to visit Saint Mary's County?

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

What is the weather like in Saint Mary's County?

See average temperature, rainfall and daylight hours for Saint Mary's County by month in the table above.

How many sunny days does Saint Mary's County have?

The monthly weather statistics above show sunshine and rainfall patterns for Saint Mary's County throughout the year.