Best year time to visit Grafton Hill

General weather information about Grafton Hill

Average annual temperature is 6.6 °C

Absolute maximum temperature: 31.9 °C

Absolute minimum temperature: -31.3 °C

Number of sunny days: 139 days

Number of rainy days: 174 days

Number of snow days: 52 days

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

Grafton Hill air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)7.97.26.518.229.031.930.825.228.524.011.212.1
Average daytime temperature (°C)-0.8-3.72.410.116.720.026.021.721.615.33.51.5
Average temperature (°C)-4.9-9.2-2.04.510.615.321.417.416.410.9-0.6-2.1
Average night temperature (°C)-8.2-14.3-5.6-0.55.111.217.613.912.37.5-3.8-5.1
Absolute minimum temperature (°C)-17.1-31.3-13.8-9.80.14.412.49.14.5-3.4-11.8-13.6

Grafton Hill 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)3.37.06.68.19.66.810.08.98.45.85.74.1
Precipitation (mm)17241685110114616913411711375134
Sunny days81310151582616121519
Rainy days10471416222925141797
Snow days131114100000265

Grafton Hill - weather forecast by months

Grafton Hill weather in januaryGrafton Hill weather in februaryGrafton Hill weather in marchGrafton Hill weather in aprilGrafton Hill weather in mayGrafton Hill weather in juneGrafton Hill weather in julyGrafton Hill weather in augustGrafton Hill weather in septemberGrafton Hill weather in octoberGrafton Hill weather in novemberGrafton Hill weather in december

Best time to visit Grafton Hill:

The best time to visit Grafton Hill during the most sunny months:

  • May — 9.6(h)
  • July — 10.0(h)
  • August — 8.9(h)

Months with the longest average daylight duration in Grafton Hill:

  • June — 15.7(h)
  • July — 15.4(h)

The largest precipitation sum in Grafton Hill is at

  • January — 172(mm)
  • June — 146(mm)
  • July — 169(mm)

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    Frequently asked questions

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