Weather in Cape Breton in August

General weather information about Cape Breton

Average annual temperature is 7.1 °C

Absolute maximum temperature: 34.0 °C

Absolute minimum temperature: -30.0 °C

Number of sunny days: 139 days

Number of rainy days: 174 days

Number of snow days: 52 days

Look at detailed online map of Cape Breton

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

Cape Breton air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)10.89.57.817.030.434.032.525.130.024.712.914.6
Average daytime temperature (°C)1.1-2.42.19.715.920.026.622.321.916.15.13.1
Average temperature (°C)-3.2-8.2-2.24.49.915.222.017.816.611.40.6-0.5
Average night temperature (°C)-6.8-13.8-5.8-0.15.111.518.014.312.98.1-2.8-3.8
Absolute minimum temperature (°C)-18.3-30.0-15.7-8.9-0.65.512.89.35.4-1.9-8.8-14.1

Cape Breton monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.110.311.913.615.015.715.414.112.610.99.58.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.26.35.88.39.16.69.68.27.56.15.44.3
Precipitation (mm)21641903684198169186831407486
Sunny days5147171482716111820
Rainy days10571117222924141997
Snow days16917200000134

Best time to visit Cape Breton:

The best time to visit Cape Breton during the most sunny months:

  • May — 9.1(h)
  • July — 9.6(h)

Months with the longest average daylight duration in Cape Breton:

  • June — 15.7(h)
  • July — 15.4(h)

The largest precipitation sum in Cape Breton is at

  • January — 216(mm)
  • June — 198(mm)
  • July — 169(mm)
  • August — 186(mm)
  • Frequently asked questions

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