Multiple choice What temperature range is ideal to form snowflakes in the winter? 10º to 20ºC (50º to 70º F) 5º to 10ºC (41º to 50ºF) 10º to 15ºC (50º to 60ºF) -10º to 0ºC (14º to 32ºF) Reveal answer Fill a bubble to check yourself D Correct answer Explanation Snow forms when the air temperature is at or below freezing (0 degrees Celsius or 32 degrees Fahrenheit).