Sheridan (WY) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sheridan.
Climate overview of Sheridan
The climate in Sheridan, Wyoming, United States of America, is marked by large temperature swings across the seasons, ranging from 31°C (88°F) in July to 1°C (34°F) in December.
The city tends toward dry conditions, with around 423 mm (17 in) of rain/snowfall per year. It does, however, have two distinct dry seasons, November to March and July to August, with very warm summers and very cold winters.
Sheridan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sheridan - and find the best time to visit.
Monthly Temperature in Sheridan
In Sheridan, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in July to a very cold 1°C (34°F) in the coolest month, December.
Nights vary from 13°C (55°F) in July to around -12°C (10°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sheridan
Sheridan's climate is marked by below-average rain/snowfall, accumulating 423 mm (17 in) of precipitation yearly. The climate in Sheridan shows significant variation throughout the year. Expect moderate rainfall in May, the wettest month, with an average of 89 mm (3.5 in) of precipitation over 14 rainy days.
In contrast, the driest month December offers drier and sunnier days, with around 16 mm (0.6 in) of snowfall over 7 snowy days. For more details, please visit our Sheridan 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 Sheridan
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June and September
- Warmest weather: July and August
- Fewer rainy days: January, August, September, November and December
- Seasonal pattern: Two distinct dry seasons, November to March and July to August, with very warm summers and very cold winters
- Coldest conditions: December, with freezing nights around -12°C (10°F).
Frequently asked questions about the climate in Sheridan
What is the best time to visit Sheridan?
June and September typically offer the most optimal weather in Sheridan. In contrast, January, February, March and December tend to have less optimal conditions. Sheridan has two distinct dry seasons, November to March and July to August, with very warm summers and very cold winters.
What temperatures can I expect in Sheridan?
Daytime highs range from 1°C (34°F) in December to 31°C (88°F) in July. Nighttime lows range from -12°C (10°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Sheridan get?
Annual rainfall is around 423 mm (17 in). May is the wettest month with 89 mm (3.5 in), while December is the driest with 16 mm (0.6 in).
Sheridan 3-Day Forecast
Sheridan (WY) 3-Day Forecast
Sheridan on the map
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