Yellowstone National Park Climate and Average Weather
Climate of Yellowstone National Park: average temperatures, rainfall and seasons month by month.
Climate in Yellowstone National Park month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 22° | 7° | 1,4 in | ★★☆☆☆ |
| February | 26° | 13° | 3,0 in | ★★☆☆☆ |
| March | 34° | 17° | 2,7 in | ★★☆☆☆ |
| April | 40° | 19° | 2,6 in | ★★☆☆☆ |
| May | 49° | 28° | 2,1 in | ★★★☆☆ |
| June | 61° | 39° | 1,7 in | ★★★★☆ |
| July | 72° | 47° | 1,8 in | ★★★★★ |
| August | 69° | 47° | 1,5 in | ★★★★☆ |
| September | 61° | 41° | 2,0 in | ★★★★☆ |
| October | 47° | 31° | 2,2 in | ★★★☆☆ |
| November | 33° | 21° | 1,2 in | ★★☆☆☆ |
| December | 28° | 14° | 3,2 in | ★★☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
Recent extremes in Yellowstone National Park
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Yellowstone National Park compares with nearby places
Annual averages, and the difference against Yellowstone National Park.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Yellowstone (UNESCO World Heritage Site) | 0 mi | 36°F | about the same | 25 in |
| Grand Teton National Park | 44 mi | 39°F | +35°F warmer | 30 in |
| Grand Teton | 49 mi | 18°F | 50°F cooler | 51 in |
| Teton County | 66 mi | 41°F | +37°F warmer | 26 in |
| Jackson | 66 mi | 41°F | +37°F warmer | 26 in |
Best time to visit Yellowstone National Park
Go in July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: February, March and December - expect the least comfortable mix of heat, cold or rain.
What this means for Yellowstone National Park
Today is slightly warmer than average for August. The forecast high of 73°F is 4.3°F above the 69°F typical for this month.
A 28% chance means most of the area stays dry; a passing shower is possible but short.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 78°F.
What to pack, what to skip
- Sunglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 61°F, so mornings feel nothing like afternoons
- If your dates are flexible, avoid February, March and December - historically the least comfortable months here.
Summary
Yellowstone National Park is a national park in Wyoming. Yellowstone National Park is a US national park known for Old Faithful, geysers and megafauna.
Right now it is 64°F (18°C) in Yellowstone National Park with partly cloudy. It feels like 59°F. Today runs from 50°F to 73°F. Chance of precipitation is 28%. Sightseeing conditions score 8.6/10 - excellent - go now.
The best time to visit Yellowstone National Park is July and August. The climate is subarctic. February, March and December tend to be the least comfortable months. July is the warmest month with average highs near 72°F, while January is the coldest with lows near 7°F.
The closest major airport is Salt Lake City International Airport (SLC), about 261 mi away. Nearby highlights include Yellowstone (UNESCO World Heritage Site), Grand Teton National Park, Grand Teton and Missouri River.
In plain terms. Today is slightly warmer than average for August. The forecast high of 73°F is 4.3°F above the 69°F typical for this month. The best window to be outside is roughly 12 PM to 3 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Yellowstone National Park today at 8.7/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Yellowstone National Park
| Type | National park |
|---|---|
| State | Wyoming |
| Country | United States |
| Continent | North America |
| Coordinates | 44°25′40.8″N 110°35′18.6″W (44.428, -110.5885) |
| Established | 1872 |
| Known for | Old Faithful, geysers and megafauna |
| Local time | 10:44 AM (UTC-06:00) |
| Best months | July and August |
| Climate | Subarctic |
Weather map for Yellowstone National Park
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Yellowstone National Park
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Yellowstone National Park?
Yellowstone National Park is a national park in Wyoming. Its coordinates are 44.428, -110.5885. It lies in North America.
What is the weather like in Yellowstone National Park right now?
It is currently 64°F (18°C) with partly cloudy. Humidity is 63% and wind is 13 mph.
When is the best time to visit Yellowstone National Park?
July and August offer the most comfortable conditions in Yellowstone National Park, which has a subarctic climate. February, March and December are usually the hardest months for outdoor plans.
What time zone is Yellowstone National Park in?
Yellowstone National Park observes America/Denver (UTC-06:00). The local time is 10:44 AM.
What is the nearest airport to Yellowstone National Park?
The closest airports are Salt Lake City International Airport (SLC), 261 mi away.
What are the top things to do in Yellowstone National Park?
Popular options include Yellowstone (UNESCO World Heritage Site), Grand Teton National Park, Grand Teton, Missouri River and Antelope Island State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (national-parks) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 23, 2026 at 10:44 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
