Best year time to visit Saint Marys

General weather information about Saint Marys

Average annual temperature is 14.6 °C

Absolute maximum temperature: 35.7 °C

Absolute minimum temperature: -7.1 °C

Number of sunny days: 179 days

Number of rainy days: 183 days

Number of snow days: 3 days

Look at detailed online map of Saint Marys

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

Saint Marys air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.623.025.128.430.233.835.535.732.929.526.016.2
Average daytime temperature (°C)9.613.614.120.224.828.430.829.327.821.014.510.4
Average temperature (°C)5.27.17.813.318.522.125.224.021.615.68.85.7
Average night temperature (°C)2.02.53.07.712.916.820.719.516.311.44.62.3
Absolute minimum temperature (°C)-4.8-7.1-5.70.24.911.516.514.012.5-1.3-5.2-6.0

Saint Marys monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.810.812.013.214.314.814.513.612.411.210.19.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.57.48.19.610.710.511.610.910.67.77.85.6
Precipitation (mm)115541589045100828030804357
Sunny days7161515171771516192213
Rainy days22121515141324161412818
Snow days201000000000

Best time to visit Saint Marys:

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

  • July — 11.6(h)

The largest precipitation sum in Saint Marys is at

  • January — 115(mm)
  • March — 158(mm)
  • June — 100(mm)
  • Frequently asked questions

    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.