Weather in Trevelyan in August

General weather information about Trevelyan

Average annual temperature is 8.8 °C

Absolute maximum temperature: 33.2 °C

Absolute minimum temperature: -31.4 °C

Number of sunny days: 116 days

Number of rainy days: 215 days

Number of snow days: 34 days

Look at detailed online map of Trevelyan

* Weather data for Trevelyan Canada is based on climate observations for 2026 year

Trevelyan air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)7.313.29.127.229.733.232.026.830.827.513.89.6
Average daytime temperature (°C)0.42.03.914.418.724.026.623.522.615.56.23.7
Average temperature (°C)-2.9-4.2-0.57.912.518.321.919.317.811.92.50.6
Average night temperature (°C)-5.7-9.2-4.22.96.713.418.015.913.99.1-0.5-1.8
Absolute minimum temperature (°C)-15.3-31.4-11.9-7.71.58.613.510.69.0-1.6-6.3-9.5

Trevelyan 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)9.310.411.913.514.815.515.214.012.511.09.68.9
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.05.56.08.611.410.211.110.39.85.55.22.5
Precipitation (mm)113707995801031711102010654130
Sunny days75121319934189107
Rainy days121512171221282712221621
Snow days1287000000043

Trevelyan - weather forecast by months

Trevelyan weather in januaryTrevelyan weather in februaryTrevelyan weather in marchTrevelyan weather in aprilTrevelyan weather in mayTrevelyan weather in juneTrevelyan weather in julyTrevelyan weather in augustTrevelyan weather in septemberTrevelyan weather in octoberTrevelyan weather in novemberTrevelyan weather in december

Best time to visit Trevelyan:

The best time to visit Trevelyan during the most sunny months:

  • May — 11.4(h)
  • June — 10.2(h)
  • July — 11.1(h)
  • August — 10.3(h)
  • September — 9.8(h)

Months with the longest average daylight duration in Trevelyan:

  • June — 15.5(h)

The largest precipitation sum in Trevelyan is at

  • July — 171(mm)
  • December — 130(mm)

    • Weather forecast in the closest to Trevelyan admin centers

    Weather forecast in the closest towns to Trevelyan

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    Frequently asked questions

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