Teton County Climate and Average Weather
Climate of Teton County: average temperatures, rainfall and seasons month by month.
Climate in Teton County 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 | 31° | 7° | 2,3 in | ★★☆☆☆ |
| February | 37° | 14° | 3,9 in | ★☆☆☆☆ |
| March | 45° | 18° | 3,2 in | ★★☆☆☆ |
| April | 49° | 22° | 2,4 in | ★★★☆☆ |
| May | 59° | 31° | 2,3 in | ★★★☆☆ |
| June | 72° | 42° | 0,9 in | ★★★★★ |
| July | 81° | 50° | 0,9 in | ★★★★★ |
| August | 79° | 48° | 1,6 in | ★★★★★ |
| September | 70° | 41° | 1,2 in | ★★★★☆ |
| October | 57° | 30° | 2,2 in | ★★★☆☆ |
| November | 42° | 20° | 1,7 in | ★★☆☆☆ |
| December | 36° | 16° | 3,6 in | ★☆☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
Recent extremes in Teton County
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Teton County compares with nearby places
Annual averages, and the difference against Teton County.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Jackson | 0 mi | 41°F | about the same | 26 in |
| Grand Teton | 18 mi | 18°F | 55°F cooler | 51 in |
| Grand Teton National Park | 22 mi | 39°F | 34°F cooler | 30 in |
| Yellowstone National Park | 66 mi | 36°F | 37°F cooler | 25 in |
| Yellowstone (UNESCO World Heritage Site) | 66 mi | 36°F | 37°F cooler | 25 in |
Best time to visit Teton County
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 Teton County
Today is cooler than average for October. The forecast high of 48°F is 8.5°F below the 57°F typical for this month.
A 34% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel.
Overnight lows near 33°F mean ice is possible on bridges before dawn.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 79°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 - 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
Teton County is a county in Wyoming. Teton County is a county in the United States. It has a population of about 23.000.
Right now it is 41°F (5°C) in Teton County with mainly clear. It feels like 37°F. Today runs from 33°F to 48°F. Chance of precipitation is 34%. Sightseeing conditions score 7.4/10 - good conditions.
The best time to visit Teton County 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 81°F, while January is the coldest with lows near 7°F.
The closest major airport is Salt Lake City International Airport (SLC), about 196 mi away. Nearby highlights include Grand Teton, Grand Teton National Park, Yellowstone (UNESCO World Heritage Site) and Yellowstone National Park.
In plain terms. Today is cooler than average for October. The forecast high of 48°F is 8.5°F below the 57°F typical for this month. The best window to be outside is roughly 3 PM to 6 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Teton County today at 9.2/10. Overnight lows near 33°F mean ice is possible on bridges before dawn.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Teton County
| Type | County |
|---|---|
| State | Wyoming |
| Country | United States |
| Continent | North America |
| Coordinates | 43°28′47.6″N 110°45′44.6″W (43.4799, -110.7624) |
| Population | 23.000 |
| Local time | 12:25 PM (UTC-06:00) |
| Best months | June, July and August |
| Climate | Subarctic |
Weather map for Teton County
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 Teton County
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 Teton County?
Teton County is a county in Wyoming. Its coordinates are 43.4799, -110.7624. It lies in North America.
What is the weather like in Teton County right now?
It is currently 41°F (5°C) with mainly clear. Humidity is 65% and wind is 1 mph.
When is the best time to visit Teton County?
June, July and August offer the most comfortable conditions in Teton County, which has a subarctic climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Teton County in?
Teton County observes America/Denver (UTC-06:00). The local time is 12:25 PM.
How many people live in Teton County?
Teton County has a population of approximately 23.000.
What is the nearest airport to Teton County?
The closest airports are Salt Lake City International Airport (SLC), 196 mi away.
What are the top things to do in Teton County?
Popular options include Grand Teton, Grand Teton National Park, Yellowstone (UNESCO World Heritage Site), Yellowstone National Park, Antelope Island State Park and Great Salt Lake.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - 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 25, 2026 at 12:25 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
