Best year time to visit Saint Mary

General weather information about Saint Mary

Average annual temperature is 14.9 °C

Absolute maximum temperature: 38.2 °C

Absolute minimum temperature: -9.6 °C

Number of sunny days: 198 days

Number of rainy days: 165 days

Number of snow days: 2 days

Look at detailed online map of Saint Mary

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

Saint Mary air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)20.421.824.628.331.637.037.238.233.129.626.118.4
Average daytime temperature (°C)9.212.213.720.826.131.032.330.727.821.114.910.9
Average temperature (°C)4.46.27.713.919.523.926.025.021.515.59.06.2
Average night temperature (°C)1.11.93.38.414.117.721.220.616.511.34.62.9
Absolute minimum temperature (°C)-9.6-8.6-6.51.85.512.216.315.012.4-2.3-4.1-5.3

Saint Mary 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)9.910.812.013.214.214.714.513.612.411.210.29.6
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.57.27.210.310.712.711.210.210.37.77.96.4
Precipitation (mm)1035721451692813513579542090
Sunny days16181417172081316172319
Rainy days13101713141023181414712
Snow days200000000000

Best time to visit Saint Mary:

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

  • June — 12.7(h)
  • July — 11.2(h)

The largest precipitation sum in Saint Mary is at

  • March — 214(mm)
  • July — 135(mm)
  • August — 135(mm)
  • Frequently asked questions

    When is the best time to visit Saint Mary?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Saint Mary.
    What is the weather like in Saint Mary?
    See average temperature, rainfall and daylight hours for Saint Mary by month in the table above.
    How many sunny days does Saint Mary have?
    The monthly weather statistics above show sunshine and rainfall patterns for Saint Mary throughout the year.