Stanley (ID) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Stanley.
Climate overview of Stanley
Stanley, Idaho, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 26°C (79°F) in July, while winters cool to -2°C (28°F) in December.
With around 512 mm (20 in) of annual rain/snowfall, the city has moderate precipitation levels. December is the wettest month and July the driest. It also has a distinct dry season from April to September, with warm summers and very cold winters.
Stanley Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Stanley - and find the best time to visit.
Monthly Temperature in Stanley
Depending on the time of the year, temperatures range from comfortable to very cold in Stanley. Typically, average maximum daytime temperatures range from a comfortable 26°C (79°F) in July to a very cold -2°C (28°F) in the coolest month, December.
Nights vary from 4°C (39°F) in July to around -16°C (3°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Stanley
Generally, Stanley has a moderate amount of precipitation, averaging 512 mm (20 in) of rain/snowfall annually. The climate in Stanley shows significant variation throughout the year. Expect moderate snowfall in December, the wettest month, with an average of 80 mm (3.1 in) of precipitation over 15 snowy days.
In contrast, the driest month July offers drier and sunnier days, with around 15 mm (0.6 in) of rainfall over 5 rainy days. For more details, please visit our Stanley 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 Stanley
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Fewest rainy days: July, August and September
- Seasonal pattern: A distinct dry season from April to September, with warm summers and very cold winters
- Coldest conditions: December, with freezing nights around -16°C (3°F).
Frequently asked questions about the climate in Stanley
What is the best time to visit Stanley?
June, July, August and September typically offer the most optimal weather in Stanley. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Stanley has a distinct dry season from April to September, with warm summers and very cold winters.
What temperatures can I expect in Stanley?
Daytime highs range from -2°C (28°F) in December to 26°C (79°F) in July. Nighttime lows range from -16°C (3°F) to 4°C (39°F). Temperatures vary considerably through the year.
How much rain does Stanley get?
Annual rainfall is around 512 mm (20 in). December is the wettest month with 80 mm (3.1 in), while July is the driest with 15 mm (0.6 in). In the coldest months, precipitation may fall as snow.
Stanley 3-Day Forecast
Stanley on the map
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