You do not want to ski if the wind chill temperature is colder than –20°C.

Check the chart to see if it is too cold to ski.

Wind Chill Temperatures

    Temperature (degree Celsius)
    10 °C 5 °C 0 °C -5 °C -10 °C -15 °C -20 °C -25 °C -30 °C -35 °C -40 °C
Wind Speed (kilometres per hour) 10 km/h 8.6 2.7 -3.3 -9.3 -15.3 -21.1 -27.2 -33.2 -39.2 -45.1 -51.1
15 km/h 7.9 1.7 -4.4 -10.6 -16.7 -22.9 -29.1 -35.2 -41.4 -47.6 -53.7
20 km/h 7.4 1.1 -5.2 -11.6 -17.9 -24.2 -30.5 -36.8 -43.1 -49.4 -55.7
25 km/h 6.9 0.5 -5.9 -12.3 -18.8 -25.2 -31.6 -38.0 -44.5 -50.9 -57.3
30 km/h 6.6 0.1 -6.5 -13.0 -19.5 -26.0 -32.6 -39.1 -45.6 -52.1 -58.7
35 km/h 6.3 -0.4 -7.0 -13.6 -20.2 -26.8 -33.4 -40.0 -46.6 -53.2 -59.8
40 km/h 6.0 -0.7 -7.4 -14.1 -20.8 -27.4 -34.1 -40.8 -47.5 -54.2 -60.9
  1. The wind speed is 15 km/h.
    The temperature is –10°C.
    What is the wind chill temperature?
    Is it too cold to ski?
  2. The wind speed is 40 km/h.
    The temperature is –5°C.
    What is the wind chill temperature?
    Is it too cold to ski?
  3. The wind speed is 20 km/h.
    The temperature is –15°C.
    What is the wind chill temperature?
    Is it too cold to ski?