Grand Teton Climate and Average Weather
Climate of Grand Teton: average temperatures, rainfall and seasons month by month.
Climate in Grand Teton 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 | 5° | -7° | 3,7 in | ★☆☆☆☆ |
| February | 9° | -4° | 6,8 in | ★☆☆☆☆ |
| March | 16° | 1° | 5,3 in | ★☆☆☆☆ |
| April | 20° | 4° | 4,5 in | ★★☆☆☆ |
| May | 28° | 12° | 4,2 in | ★★☆☆☆ |
| June | 38° | 21° | 2,6 in | ★★☆☆☆ |
| July | 53° | 34° | 3,4 in | ★★★☆☆ |
| August | 51° | 32° | 3,9 in | ★★★☆☆ |
| September | 43° | 24° | 3,9 in | ★★☆☆☆ |
| October | 30° | 13° | 3,0 in | ★★☆☆☆ |
| November | 14° | -1° | 3,4 in | ★★☆☆☆ |
| December | 11° | -2° | 6,5 in | ★☆☆☆☆ |
Climate type: Polar. Source: Open-Meteo archive (ERA5).
Recent extremes in Grand Teton
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Grand Teton compares with nearby places
Annual averages, and the difference against Grand Teton.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Grand Teton National Park | 7 mi | 39°F | +53°F warmer | 30 in |
| Teton County | 18 mi | 41°F | +55°F warmer | 26 in |
| Jackson | 18 mi | 41°F | +55°F warmer | 26 in |
| Yellowstone (UNESCO World Heritage Site) | 49 mi | 36°F | +49°F warmer | 25 in |
| Yellowstone National Park | 49 mi | 36°F | +49°F warmer | 25 in |
Best time to visit Grand Teton
Go in June, 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 Grand Teton
Today is much colder than average for October. The forecast high of 11°F is 18.2°F below the 30°F typical for this month.
A 82% chance means rain is expected over most of the area. Plan indoor alternatives.
Visibility is down to 0,1 mi - use low beams and leave extra following distance. Gusts to 43 mph will push high-sided vehicles on exposed roads and bridges. Overnight lows near 4°F mean ice is possible on bridges before dawn. Wet roads are likely; braking distances roughly double in heavy rain.
At 13.776 ft, air here runs roughly 81°F cooler than the same latitude at sea level.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 77°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 43 mph.
- If your dates are flexible, avoid February, March and December - historically the least comfortable months here.
Summary
Grand Teton is a mountain in Wyoming. Grand Teton is a mountain known as the highest peak of the Teton Range. It sits at 13.776 ft above sea level.
Right now it is 10°F (-12°C) in Grand Teton with fog. It feels like -5°F. Today runs from 4°F to 11°F. Chance of precipitation is 82%. Sightseeing conditions score 1.8/10 - poor - consider another day.
The best time to visit Grand Teton is June, July and August. The climate is polar. February, March and December tend to be the least comfortable months. July is the warmest month with average highs near 53°F, while January is the coldest with lows near -7°F.
The closest major airport is Salt Lake City International Airport (SLC), about 213 mi away. Nearby highlights include Grand Teton National Park, Yellowstone (UNESCO World Heritage Site), Yellowstone National Park and Antelope Island State Park.
In plain terms. Today is much colder than average for October. The forecast high of 11°F is 18.2°F below the 30°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. Visibility is down to 0,1 mi - use low beams and leave extra following distance. Gusts to 43 mph will push high-sided vehicles on exposed roads and bridges. Overnight lows near 4°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 Grand Teton
| Type | Mountain |
|---|---|
| State | Wyoming |
| Country | United States |
| Continent | North America |
| Coordinates | 43°44′28.3″N 110°48′8.6″W (43.7412, -110.8024) |
| Elevation | 13.776 ft |
| Known for | the highest peak of the Teton Range |
| Local time | 7:13 PM (UTC-06:00) |
| Best months | June, July and August |
| Climate | Polar |
Weather map for Grand Teton
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 Grand Teton
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 Grand Teton?
Grand Teton is a mountain in Wyoming. Its coordinates are 43.7412, -110.8024. It lies in North America.
What is the weather like in Grand Teton right now?
It is currently 10°F (-12°C) with fog. Humidity is 92% and wind is 20 mph.
When is the best time to visit Grand Teton?
June, July and August offer the most comfortable conditions in Grand Teton, which has a polar climate. February, March and December are usually the hardest months for outdoor plans.
What time zone is Grand Teton in?
Grand Teton observes America/Denver (UTC-06:00). The local time is 7:13 PM.
What is the nearest airport to Grand Teton?
The closest airports are Salt Lake City International Airport (SLC), 213 mi away.
What are the top things to do in Grand Teton?
Popular options include Grand Teton National Park, Yellowstone (UNESCO World Heritage Site), Yellowstone National Park, Antelope Island State Park, Great Salt Lake and Missouri River.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (mountains) - 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.
