Best year time to visit Thornhill

General weather information about Thornhill

Average annual temperature is 18.2 °C

Absolute maximum temperature: 36.5 °C

Absolute minimum temperature: -3.3 °C

Number of sunny days: 187 days

Number of rainy days: 178 days

Look at detailed online map of Thornhill

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

Thornhill air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)22.525.725.629.431.635.236.336.533.229.625.622.5
Average daytime temperature (°C)15.618.619.923.226.630.732.732.630.024.318.415.0
Average temperature (°C)10.713.114.017.120.724.526.626.623.818.612.79.6
Average night temperature (°C)6.99.19.012.115.919.121.922.118.713.98.15.4
Absolute minimum temperature (°C)-2.7-2.4-3.36.97.516.119.417.913.45.4-1.7-1.3

Thornhill monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.211.012.013.013.914.314.113.412.411.310.410.0
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.06.79.09.710.311.611.010.610.88.86.96.7
Precipitation (mm)13614814616210010418111573285250
Sunny days14102015101391119232122
Rainy days171811152117222011899
Snow days000000000000

Best time to visit Thornhill:

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

  • June — 11.6(h)

The largest precipitation sum in Thornhill is at

  • January — 136(mm)
  • February — 148(mm)
  • March — 146(mm)
  • April — 162(mm)
  • July — 181(mm)
  • Frequently asked questions

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