Yellowstone weather can be extreme, and visitors should be prepared for all conditions. The park experiences all four seasons, and precipitation is common. Snowfall typically begins in October and can continue through May. So every Yellowstone traveler we came up with Yellowstone Weather Report by Month wise. Summer temperatures can reach into the 90s, but nights are cool. thunderstorms are common in the afternoon.
Yellowstone Weather Reports by Month with Full Details
The weather in Yellowstone is one of the most varied in the United States. The park is located in three different climate zones, each with its own weather patterns. The average temperature in the park is 54 degrees Fahrenheit, but it can range from below zero to over 100 degrees. The park experiences all four seasons, but the timing and intensity of each season varies depending on the elevation.

At lower elevations, spring comes early and winter lasts longer. The higher you go, the shorter the growing season becomes. Summer is the busiest time of year in the park, but the weather is usually mild and pleasant. thunderstorms are common in the afternoon, so it’s a good idea to be prepared for them. Fall is a great time to visit Yellowstone. The crowds have thinned out and the weather is cool and crisp.
The leaves of the deciduous trees turn a beautiful golden color, making for a stunning landscape. Winter is a magical time in Yellowstone. The snow-covered landscape is breathtaking, and there are few people around. The temperatures can be brutally cold, however, so you need to be prepared for that.
Also Read: Best Time to Visit Yellowstone for Photography
Monthly temperature and precipitation averages to help you plan your visit:
Month | Temperature Up (Fahrenheit) | Temperature Down (Fahrenheit) |
January | 28° | 13° |
February | 32 | 10 |
March | 39 | 4 |
April | 54 | 20 |
May | 66 | 32 |
June | 80 | 45 |
July | 86 | 51 |
August | 85 | |
September | 79 | 52 |
October | 63 | 37 |
November | 47 | 24 |
December | 29 | 11 |
Also Read: Best Time to Visit Yellowstone
Month wise Yellowstone Weather Details

January is the coldest month of the year, with an average high of 28 degrees Fahrenheit and an average low of negative 13 degrees. The park sees an average of two feet of snowfall.
February temperatures are slightly warmer, with an average high of 32 degrees and an average low of negative 10 degrees. The park sees an average of 2.5 feet of snowfall.
March temperatures continue to rise, with an average high of 39 degrees and an average low of 4 degrees. The park sees an average of 2.5 feet of snowfall.
April is the start of the park’s peak season, with an average high of 54 degrees and an average low of 20 degrees. The park sees an average of one foot of snowfall.
May is the warmest month of the year, with an average high of 66 degrees and an average low of 32 degrees. The park sees an average of one foot of snowfall.
June marks the start of summer in Yellowstone, and the temperatures continue to rise. The average high in June is 80 degrees Fahrenheit (27 degrees Celsius), and the average low is 45 degrees Fahrenheit (7 degrees Celsius).
July is the park’s busiest month, and for good reason. The average high temperature is 86 degrees Fahrenheit (30 degrees Celsius), and the average low is 51 degrees Fahrenheit (11 degrees Celsius).
August is similar to July, with the average high being 85 degrees Fahrenheit (29 degrees Celsius).
September sees a slight decrease in average temperatures, with the average high temperature dropping to 79 degrees and the average low temperature falling to 52 degrees.
October sees a further decrease in average temperatures, with the average high temperature dropping to 63 degrees and the average low temperature falling to 37 degrees.
November sees the lowest average temperatures of the year, with the average high temperature dropping to 47 degrees and the average low temperature falling to 24 degrees.
The average temperatures in December in Yellowstone National Park are a high of 29 degrees and a low of 11 degrees. December is the snowiest month in the park, with an average of 73 inches of snowfall. The park receives an average of 12 inches of rain and 12 inches of snow in December.