What is temperature of mount Everest?

The coldest month on Mount Everest is January and the average temperature on the summit can be anything between -30 Celsius and -60 Celsius. The warmest month is July and the average temperature for the summit is -19 Celsius. There is no point during the year that the temperature on the summit rises above freezing. During the dead of winter which is November to February, the summit winds are at hurricane force and can reach more than 175 mph.