Best year time to visit Grafton

General weather information about Grafton

Average annual temperature is 8.6 °C

Absolute maximum temperature: 30.1 °C

Absolute minimum temperature: -28.2 °C

Number of sunny days: 131 days

Number of rainy days: 200 days

Number of snow days: 34 days

Look at detailed online map of Grafton

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

Grafton air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.510.39.820.028.428.230.125.329.324.015.516.0
Average daytime temperature (°C)3.20.33.812.316.420.425.922.921.716.76.44.6
Average temperature (°C)-0.1-4.5-0.36.510.715.821.618.817.112.32.91.6
Average night temperature (°C)-3.6-9.4-3.82.05.812.018.215.313.89.3-0.1-1.3
Absolute minimum temperature (°C)-11.3-28.2-11.9-4.51.66.714.511.87.52.5-6.3-12.6

Grafton 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)9.210.411.913.514.915.615.214.012.511.09.68.8
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.35.26.18.89.86.99.79.18.26.84.73.2
Precipitation (mm)23562964954183150213821499199
Sunny days58101716661114131114
Rainy days181010131524252016181417
Snow days81011000000050

Grafton - weather forecast by months

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

Best time to visit Grafton:

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

  • April — 8.8(h)
  • May — 9.8(h)
  • July — 9.7(h)
  • August — 9.1(h)

Months with the longest average daylight duration in Grafton:

  • June — 15.6(h)

The largest precipitation sum in Grafton is at

  • January — 235(mm)
  • June — 183(mm)
  • August — 213(mm)

    • Weather forecast in the closest to Grafton admin centers

    Weather forecast in the closest towns to Grafton

    Explore Grafton

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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