Weatherandclimate.co.uk
Climate of Yellowstone National Park
Yellowstone National Park has a continental climate. In the summer it is warm and dry, and in the winter it is cold and wet. The average annual temperature for Yellowstone National Park is 5° degrees and there is about 412 mm of rain in a year. It is dry for 127 days a year with an average humidity of 77% and an UV-index of 2.
Climate averages for the whole year
- Day: the average daily temperature during the day is between -8°C and 22°C
- Night:the average nighttime temperature is between -17°C and 6°C
- Rain: it rains 89 days and there is a total of approximately 412 mm rainfall
- Snow: it snows an average of 171 days per year
- Sun hours: throughout the year there are 2777 sun hours
| Maximum temperature: | between -8°C and 22°C |
| Warmest month: | 22°C in July |
| Coldest month: | -8°C in December |
| Night temperature: | between -17°C and 6°C |
| Dry days: | 105 days |
| Days with rain: | 89 days |
| Days with snow: | 171 days |
| Total rain sum: | 412 mm |
| Hours of sunshine: | 2777 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Yellowstone National Park.
Precipitation graph
This graph shows the average amount of rainfall per month for Yellowstone National Park.
Climate table of Yellowstone National Park
In this climate table you can see at a glance what the average weather per month is for Yellowstone National Park. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Yellowstone National Park might be like in a given month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day temp. (°C) | -6 | -6 | -2 | 1 | 8 | 16 | 22 | 20 | 16 | 6 | -2 | -8 |
| Night temp. (°C) | -16 | -15 | -11 | -9 | -4 | 2 | 6 | 5 | 2 | -4 | -11 | -17 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Precipitation (mm) | 40 | 50 | 46 | 36 | 35 | 29 | 18 | 22 | 22 | 29 | 43 | 42 |
| Days with rain | 3 | 5 | 7 | 9 | 12 | 11 | 9 | 10 | 7 | 8 | 4 | 4 |
| Days with snow | 21 | 24 | 25 | 22 | 13 | 5 | - | 1 | 3 | 13 | 20 | 24 |
| Dry days | 7 | - | - | - | 6 | 14 | 22 | 20 | 20 | 10 | 6 | 3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Sun hours per day | 4 | 4 | 5 | 7 | 10 | 11 | 12 | 12 | 10 | 6 | 5 | 4 |
| Wind force (Bft) | 2 | 3 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
| UV-index | 1 | 1 | 1 | 1 | 3 | 4 | 4 | 3 | 2 | 1 | 1 | 1 |
Best time to visit Yellowstone National Park
The best time to visit Yellowstone National Park is in July and August. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in Yellowstone National Park is 22°C in July and the lowest is -8°C in December.
Climate of Yellowstone National Park by month
What is the average climate in a given month for Yellowstone National Park? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Yellowstone National Park weather experiences
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