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° | 2,0 in | ★★★★☆ |
| September | 61° | 41° | 1,2 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 | 49°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 cooler than average for October. The forecast high of 43°F is 4.3°F below the 47°F typical for this month.
A 73% chance means rain is expected over most of the area. Plan indoor alternatives.
Gusts to 35 mph will push high-sided vehicles on exposed roads and bridges. Overnight lows near 24°F mean ice is possible on bridges before dawn. Wet roads are likely; braking distances roughly double in heavy rain.
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
- A warm mid-layer and gloves for early mornings and evenings
- Insulated outer layer, hat and boots with grip for ice
- A packable rain shell - 5 of the next 7 days carry a real chance of rain
- Avoid high-elevation trails without traction devices - frozen surfaces persist in shade all day.
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 35 mph.
- 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 35°F (1°C) in Yellowstone National Park with clear. It feels like 27°F. Today runs from 24°F to 43°F. Chance of precipitation is 73%. Sightseeing conditions score 5.4/10 - marginal.
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 cooler than average for October. The forecast high of 43°F is 4.3°F below the 47°F typical for this month. The best window to be outside is roughly 5 PM to 8 PM, when temperature, rain chance and wind line up best. running is the strongest bet in Yellowstone National Park today at 7.2/10. Gusts to 35 mph will push high-sided vehicles on exposed roads and bridges. Overnight lows near 24°F mean ice is possible on bridges before dawn. Wet roads are likely; braking distances roughly double in heavy rain.
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 | 7:13 PM (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
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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 35°F (1°C) with clear. Humidity is 76% and wind is 7 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 7:13 PM.
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 October 28, 2026 at 7:13 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
