Green River (UT) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Green River.
Climate overview of Green River
Green River, Utah, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 36°C (97°F) in July, while winters cool to 4°C (39°F) in January.
Rain/snowfall is extremely rare, with only 191 mm (7.5 in) falling across the entire year.
Green River Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Green River - and find the best time to visit.
Monthly Temperature in Green River
Depending on the time of the year, temperatures range from very hot to chilly in Green River. Average maximum daytime temperatures range from a very hot 36°C (97°F) in July, the warmest time of the year, to a chilly 4°C (39°F) during cooler months like January.
At night, you can expect temperatures ranging from 18°C (64°F) in July to around -10°C (14°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Green River
Green River has a dry climate with very low precipitation, averaging 191 mm (7.5 in) of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, October it receives low rainfall, averaging 26 mm (1 in) of precipitation, recorded across 7 rainy days. In contrast, the driest month November brings less rainfall, with 4 mm (0.2 in) over 2 rainy days. For more details, please visit our Green River 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 Green River
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May and October
- Warmest weather: July
- Fewest rainy days: January, June and November
- Seasonal pattern: Very little rainfall year-round, with very hot summers and cold winters
- Coldest conditions: January, with freezing nights around -10°C (14°F).
Frequently asked questions about the climate in Green River
What is the best time to visit Green River?
April, May and October typically offer the most optimal weather in Green River. In contrast, January, June, July, August and December tend to have less optimal conditions. Green River has very little rainfall year-round, with very hot summers and cold winters.
What temperatures can I expect in Green River?
Daytime highs range from 4°C (39°F) in January to 36°C (97°F) in July. Nighttime lows range from -10°C (14°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Green River get?
Annual rainfall is around 191 mm (7.5 in). October is the wettest month with 26 mm (1 in), while November is the driest with 4 mm (0.2 in).
Green River 3-Day Forecast
Green River on the map
Green River is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Kissimmee
33°C (91°F) Orlando33°C (91°F) Miami Beach32°C (90°F) Destin32°C (90°F) New York City
29°C (84°F) Big Bear Lake
27°C (81°F) Los Angeles
24°C (75°F) San Francisco22°C (72°F) 
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.