Grand Teton National Park Climate and Average Weather
Climate of Grand Teton National Park: average temperatures, rainfall and seasons month by month.
Climate in Grand Teton 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 | 28° | 7° | 2,5 in | ★★☆☆☆ |
| February | 32° | 13° | 4,6 in | ★☆☆☆☆ |
| March | 39° | 18° | 3,3 in | ★★☆☆☆ |
| April | 44° | 22° | 2,4 in | ★★☆☆☆ |
| May | 54° | 30° | 2,7 in | ★★★☆☆ |
| June | 67° | 40° | 1,2 in | ★★★★☆ |
| July | 77° | 49° | 1,1 in | ★★★★★ |
| August | 74° | 48° | 0,7 in | ★★★★★ |
| September | 66° | 41° | 1,9 in | ★★★★☆ |
| October | 53° | 32° | 2,6 in | ★★★☆☆ |
| November | 38° | 22° | 2,0 in | ★★☆☆☆ |
| December | 33° | 16° | 4,6 in | ★☆☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
Recent extremes in Grand Teton National Park
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Grand Teton National Park compares with nearby places
Annual averages, and the difference against Grand Teton National Park.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Grand Teton | 7 mi | 18°F | 53°F cooler | 51 in |
| Teton County | 22 mi | 41°F | +34°F warmer | 26 in |
| Jackson | 22 mi | 41°F | +34°F warmer | 26 in |
| Yellowstone (UNESCO World Heritage Site) | 44 mi | 36°F | 35°F cooler | 25 in |
| Yellowstone National Park | 44 mi | 36°F | 35°F cooler | 25 in |
Best time to visit Grand Teton National Park
Go in June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What this means for Grand Teton National Park
Today is about average for August. The forecast high of 76°F is in line with the 74°F typical for this month.
A 21% 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
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 69°F, so mornings feel nothing like afternoons
- A packable rain shell - 3 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
Grand Teton National Park is a national park in Wyoming. Grand Teton National Park is a US national park known for jagged peaks above Jackson Hole.
Right now it is 58°F (15°C) in Grand Teton National Park with overcast. It feels like 58°F. Today runs from 48°F to 76°F. Chance of precipitation is 21%. Sightseeing conditions score 9.2/10 - excellent - go now.
The best time to visit Grand Teton National Park is June, July and August. The climate is subarctic. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 77°F, while January is the coldest with lows near 7°F.
The closest major airport is Salt Lake City International Airport (SLC), about 218 mi away. Nearby highlights include Grand Teton, Yellowstone (UNESCO World Heritage Site), Yellowstone National Park and Missouri River.
In plain terms. Today is about average for August. The forecast high of 76°F is in line with the 74°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 Grand Teton National Park today at 9.7/10. 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 Grand Teton National Park
| Type | National park |
|---|---|
| State | Wyoming |
| Country | United States |
| Continent | North America |
| Coordinates | 43°47′25.4″N 110°40′54.5″W (43.7904, -110.6818) |
| Established | 1929 |
| Known for | jagged peaks above Jackson Hole |
| Local time | 8:47 PM (UTC-06:00) |
| Best months | June, July and August |
| Climate | Subarctic |
Weather map for Grand Teton National Park
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Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Grand Teton National Park
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Frequently asked questions
Where is Grand Teton National Park?
Grand Teton National Park is a national park in Wyoming. Its coordinates are 43.7904, -110.6818. It lies in North America.
What is the weather like in Grand Teton National Park right now?
It is currently 58°F (15°C) with overcast. Humidity is 78% and wind is 3 mph.
When is the best time to visit Grand Teton National Park?
June, July and August offer the most comfortable conditions in Grand Teton National Park, which has a subarctic climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Grand Teton National Park in?
Grand Teton National Park observes America/Denver (UTC-06:00). The local time is 8:47 PM.
What is the nearest airport to Grand Teton National Park?
The closest airports are Salt Lake City International Airport (SLC), 218 mi away.
What are the top things to do in Grand Teton National Park?
Popular options include Grand Teton, Yellowstone (UNESCO World Heritage Site), Yellowstone National Park, Missouri River, Antelope Island State Park and Great Salt Lake.
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 24, 2026 at 8:47 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
