Best year time to visit City of Thornhill

General weather information about City of Thornhill

Average annual temperature is 14.3 °C

Absolute maximum temperature: 34.8 °C

Absolute minimum temperature: -6.9 °C

Number of sunny days: 184 days

Number of rainy days: 177 days

Number of snow days: 4 days

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* Weather data for City of Thornhill United States is based on climate observations for 2026 year

City of Thornhill air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.922.724.427.429.733.134.334.832.029.925.516.7
Average daytime temperature (°C)9.413.314.019.724.127.930.128.927.520.814.110.2
Average temperature (°C)5.16.97.713.118.021.724.823.721.415.48.45.4
Average night temperature (°C)1.82.32.97.412.416.420.319.115.911.14.31.8
Absolute minimum temperature (°C)-4.9-6.9-5.80.02.911.216.113.710.7-1.0-5.9-6.3

City of Thornhill monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.810.812.013.214.214.814.513.612.411.210.19.6
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.77.58.09.610.810.511.611.110.77.67.75.5
Precipitation (mm)14687154844112011110135954470
Sunny days6171616181661716192314
Rainy days23111314131425141412717
Snow days202000000000

City of Thornhill - weather forecast by months

City of Thornhill weather in januaryCity of Thornhill weather in februaryCity of Thornhill weather in marchCity of Thornhill weather in aprilCity of Thornhill weather in mayCity of Thornhill weather in juneCity of Thornhill weather in julyCity of Thornhill weather in augustCity of Thornhill weather in septemberCity of Thornhill weather in octoberCity of Thornhill weather in novemberCity of Thornhill weather in december

Best time to visit City of Thornhill:

The best time to visit City of Thornhill during the most sunny months:

  • July — 11.6(h)
  • August — 11.1(h)

The largest precipitation sum in City of Thornhill is at

  • January — 146(mm)
  • March — 154(mm)
  • June — 120(mm)

    • Weather forecast in the closest to City of Thornhill admin centers

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    Frequently asked questions

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