West Yellowstone Weather Information

What is the weather like in the Yellowstone area? Yellowstone weather can be very unpredictable so you always want to be prepared. Dress in layers so that you can add or subtract for comfort. In early spring and in the fall you will want to use heavier layers.

Traditionally in the summer Yellowstone is a sunny place. You will want to bring sunscreen. Springtime tends to be the most wet and cloudy. Fall is crisp, cool and frequently sunny. Below is our average temperatures and precipitation for the town West Yellowstone, Montana:

   Average
Low
  Average
 High 
  Average
 Snowfall
  Average
   Precipitation 
 May 29.1 58.5 3.3 2.17
 June 36.1 68.3 0.6 2.62
 July 40.8 79.4 0.0 1.38
 August  38.6 76.2 0.1 1.63
 September  30.2 65.6 1.1 1.54
 October 22.1 52.8 7.3 1.42
  
 
 
Friday September 21, 2018