Weather in St. Stephen in August

General weather information about St. Stephen

Average annual temperature is 8.0 °C

Absolute maximum temperature: 33.3 °C

Absolute minimum temperature: -30.6 °C

Number of sunny days: 153 days

Number of rainy days: 176 days

Number of snow days: 36 days

Look at detailed online map of St. Stephen

* Weather data for St. Stephen Canada is based on climate observations for 2026 year

St. Stephen air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)9.78.88.519.730.733.330.026.729.726.013.913.7
Average daytime temperature (°C)1.9-0.84.211.718.120.126.223.322.716.85.83.3
Average temperature (°C)-2.4-6.6-0.36.511.815.621.418.817.412.21.3-0.5
Average night temperature (°C)-6.4-12.3-4.52.46.811.917.715.213.79.0-2.2-3.8
Absolute minimum temperature (°C)-17.3-30.6-11.7-5.52.14.614.711.27.50.5-7.6-13.9

St. Stephen monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.210.411.913.514.915.615.214.112.511.09.68.8
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.76.56.68.510.76.38.69.28.56.76.24.3
Precipitation (mm)2004469468718417310515313553150
Sunny days712101419681116112118
Rainy days1261115122423201420910
Snow days121010100000003

St. Stephen - weather forecast by months

St. Stephen weather in januarySt. Stephen weather in februarySt. Stephen weather in marchSt. Stephen weather in aprilSt. Stephen weather in maySt. Stephen weather in juneSt. Stephen weather in julySt. Stephen weather in augustSt. Stephen weather in septemberSt. Stephen weather in octoberSt. Stephen weather in novemberSt. Stephen weather in december

Best time to visit St. Stephen:

The best time to visit St. Stephen during the most sunny months:

  • May — 10.7(h)
  • August — 9.2(h)

Months with the longest average daylight duration in St. Stephen:

  • June — 15.6(h)

The largest precipitation sum in St. Stephen is at

  • January — 200(mm)
  • June — 184(mm)
  • July — 173(mm)
  • September — 153(mm)
  • December — 150(mm)

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    Frequently asked questions

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