United StatesThe climate of Yellowstone National Park
The current climate in Yellowstone National Park features temperatures ranging from a high of 23°C to a low of -5°C throughout the year. The average yearly temperature is around 8°C. At night, temperatures in the colder months average around -17°C and in the warmer months around 4°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Yellowstone National Park, Wyoming.
Temperature records
The highest temperature recorded in Yellowstone National Park in recent years was 30°C in July 2021. The lowest daytime temperature recorded was -23°C in December 2022.
Precipitation and snowfall
On average, Yellowstone National Park gets 714 mm of precipitation each year. Of this, about 508 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit Yellowstone National Park?
The best time to visit Yellowstone National Park for mild to warm weather is June up to September. You might get some rain, but the temperatures are just right to explore Yellowstone National Park.
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Climate Table of Yellowstone National Park
The climate table of Yellowstone National Park shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | -5 | -3 | 2 | 5 | 11 | 18 | 23 | 21 | 17 | 8 | 0 | -4 |
| Temp. min (°C) | -16 | -16 | -12 | -7 | -2 | 2 | 5 | 4 | 1 | -4 | -11 | -14 |
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| Precipitation (mm) | 51 | 71 | 68 | 67 | 62 | 54 | 23 | 51 | 54 | 58 | 94 | 61 |
| Snow (cm) | 60 | 85 | 80 | 49 | 11 | 1,5 | 0,1 | 0,1 | 4,2 | 23 | 96 | 98 |
| UV Index | 3 | 4 | 6 | 8 | 8 | 9 | 9 | 7 | 7 | 5 | 3 | 3 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Yellowstone National Park, Wyoming. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Yellowstone National Park
Yearly Temperature in Yellowstone National Park
Precipitation charts
These charts show the average amount of precipitation in Yellowstone National Park, Wyoming. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Yellowstone National Park
Total Yearly Precipitation in Yellowstone National Park
Average Snowfall per Month in Yellowstone National Park
Total Yearly Snowfall in Yellowstone National Park
UV index chart
This chart shows the average UV index per month in Yellowstone National Park, Wyoming. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Yellowstone National Park
Weather experiences in Yellowstone National Park
The weather in Yellowstone National Park is rated 0 out of 5 stars by 1 visitor.
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Average weather in Yellowstone National Park by month
Click on a month below to see detailed weather info for Yellowstone National Park. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.