Greybull (WY) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Greybull.
Climate overview of Greybull
Greybull, Wyoming, United States of America, sees big temperature differences between seasons, with July peaking at 33°C (91°F) and January dropping to -2°C (28°F).
With just 170 mm (6.7 in) of annual rain/snowfall, the city has a dry, desert-like climate.
Greybull Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Greybull — and find the best time to visit.
Monthly Temperature in Greybull
Visitors to Greybull can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 33°C (91°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -2°C (28°F).
At night, temperatures range from around 14°C (57°F) in July to -15°C (5°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Greybull
Greybull experiences desert-like conditions in terms of precipitation with almost no rain/snowfall, generally receiving 170 mm (6.7 in) annually. Greybull can be quite wet during May, receiving approximately 39 mm (1.5 in) of precipitation over 10 rainy days.
In contrast, during the driest month (February), you will experience much drier conditions, with 5.3 mm (0.2 in) of precipitation spread across 3 snowy/rainy days days. For more details, please visit our Greybull Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Greybull
Make the most of the clear weather, but remember to protect yourself from the sun and stay well-hydrated. Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.
Frequently asked questions about the climate in Greybull
What is the best time to visit Greybull?
May, June and September typically offer the most optimal weather in Greybull. In contrast, January, February and December tend to have less optimal conditions. Greybull has a distinct dry season from January to December.
What temperatures can I expect in Greybull?
Daytime highs range from -2°C (28°F) in January to 33°C (91°F) in July. Nighttime lows range from -15°C (5°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Greybull get?
Annual rainfall is around 170 mm (6.7 in). May is the wettest month with 39 mm (1.5 in), while February is the driest with 5.3 mm (0.2 in).
Greybull 3-Day Forecast
Greybull (WY) 3-Day Forecast
Greybull on the map
Greybull is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.