and this constant temperature of the soil differs little from the mean annual temperature of the air, except on mountains more than 6,000 feet high. The ground is cooler in summer and warmer in ...

"Snow forms when the atmospheric temperature is at or below freezing — 0°C or 32°F," according to the National Snow and Ice Data Center. "If the ground temperature is at or below freezing ...

Snow forms when the atmospheric temperature is at or below freezing (32 F). If the ground temperature is at or below freezing, the snow will reach the ground. As a general rule, snow will not form ...