Winthrop (WA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Winthrop.
Climate overview of Winthrop
Winthrop, Washington experiences a continental climate with warm summers and cold winters. Summers bring warm weather and sunny skies perfect for exploring the Old West-themed downtown, hiking, and enjoying river activities in the Methow Valley. Winters offer cold, snowy conditions ideal for cross-country skiing and staying indoors in this charming mountain town. The area receives below-average precipitation throughout the year. Now, let's explore all the climate details to give you a complete picture.
Winthrop Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Winthrop — and find the best time to visit.
Monthly Temperature in Winthrop
Depending on the time of the year, temperatures range from very warm to very cold in Winthrop. Typically, average maximum daytime temperatures range from a very warm 30°C (86°F) in July to a very cold -1°C (30°F) in the coolest month, December.
Nights vary from 11°C (52°F) in July to around -9°C (16°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Winthrop
Winthrop has a relatively dry climate with low precipitation, averaging 391 mm (15 in) of rain/snowfall annually. The climate in Winthrop shows significant variation throughout the year. Expect moderate snowfall in December, the wettest month, with an average of 69 mm (2.7 in) of precipitation over 15 snowy days.
In contrast, the driest month August offers drier and sunnier days, with around 13 mm (0.5 in) of rainfall over 4 rainy days. For more details, please visit our Winthrop 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 Winthrop
Rainfall during this time ranges from 13 mm (0.5 in) in August to 28 mm (1.1 in) in May. This means you can expect a mix of sunny days and occasional showers. 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 Winthrop
What is the best time to visit Winthrop?
May, June and September typically offer the most optimal weather in Winthrop. In contrast, January, February, March, November and December tend to have less optimal conditions. Winthrop has a distinct dry season from February to October.
What temperatures can I expect in Winthrop?
Daytime highs range from -1°C (30°F) in December to 30°C (86°F) in July. Nighttime lows range from -9°C (16°F) to 11°C (52°F). Temperatures vary considerably through the year.
How much rain does Winthrop get?
Annual rainfall is around 391 mm (15 in). December is the wettest month with 69 mm (2.7 in), while August is the driest with 13 mm (0.5 in). In the coldest months, precipitation may fall as snow.
Winthrop 3-Day Forecast
Winthrop (WA) 3-Day Forecast
Winthrop on the map
Winthrop is highlighted — select any city to see its climate.
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