The weather in Paris is variable, but rarely extreme. Average winter temperature is 3° Celsius (37° Fahrenheit) with only about 20 days per year falling below 0° Celsius (32° Fahrenheit). While snow is rare, rain comes in all seasons - cold in winter and balmy in spring and fall when temperatures average 11° Celsius (52° Fahrenheit). Summer temperatures average 18° Celsius (65° Fahrenheit). Heat waves are rare and brief.