Monthly weather forecast and climate
Winthrop, WA

How much does it rain in Winthrop?

In Winthrop, Washington, during the entire year, the rain falls for 90.4 days, and collects up to 15" (382.2mm) of precipitation.

When does it snow in Winthrop?

Months with snowfall are January through April, October through December.

How much does it snow in Winthrop?

Throughout the year, in Winthrop, Washington, there are 31 snowfall days, and 61.5" (1562.1mm) of snow is accumulated.

What is the warmest month in Winthrop?

August is the warmest month in Winthrop, with an average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 48.6°F (9.2°C).

What is the driest month in Winthrop?

September is the month with the least rainfall in Winthrop, Washington. Rain falls for 4.5 days and accumulates 0.6" (15.5mm) of precipitation.

What is the coldest month in Winthrop?

The coldest month is December, with an average high-temperature of 28.9°F (-1.7°C) and an average low-temperature of 13.6°F (-10.2°C).

What is the rainiest month in Winthrop?

The month with the most rainfall in Winthrop, Washington, is December when the rain falls for 12.2 days and typically aggregates up to 2.6" (66mm) of precipitation.

When does it snow the most in Winthrop?

The month with the most snowfall in Winthrop, Washington, is December when snow falls for 10.8 days and typically aggregates up to 22.2" (563.9mm) of snow.
Average temperature - Winthrop, WA
Average rainfall - Winthrop, WA
Average rainfall days - Winthrop, WA

The month with the highest number of rainy days is December (12.2 days).
The month with the lowest number of rainy days is September (4.5 days).

Average snowfall - Winthrop, WA
Average snowfall days - Winthrop, WA

The month with the highest number of snowfall days is December (10.8 days).
Months with the lowest number of snowfall days are April, May, June, July, August and September (0 days).

Average daylight - Winthrop, WA

The month with the longest days is June (Average daylight: 16.1h).
The month with shortest days is December (Average daylight: 8.4h).

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