The Weather of Yellowstone
The average temperature for all year around is 52.8 degrees. During the summer it get around 70’s to the low 80’s. Winter the temperatures usually is around zero to 20 degrees. Fall and spring goes from the 30’s to the 60’s. The annual precipitation is 15.4 inches. The best time to vacation is March to May. During this time the weather is great. There is many types of festivals/events like, World Snowmobile Expo (March), Montana Beer Festival (April), Wine and Food Festival (May). Average temperature is around zero to 60 degrees, so you would want to pick some warm layers just in case.