Why does it rain so much in Seattle?

Rainfall in the Pacific Northwest is influenced by the coastal mountains that run down the length of the state. These mountains cause water to rise and flow down to the coast, providing water for the region’s rivers and lakes. The rainwater that refills the Columbia River Basin, for example, is part of the source of water for the reservoirs that supply the Puget Sound area.

Why does it rain so much in Seattle?

rain is not an isolated issue here in Seattle. It actually affects the amount of rain that falls on the entire Puget Sound area. Our precipitation is part of the “Ring of Fire” effect, which happens when the Pacific Ring of Fire is active. This phenomenon causes warm, moisture-laden air to rise up and over Seattle. This heavier moisture allows for more precipitation, which ends up washing over the area.

Why does it rain so much in the Seattle area?

Seattle’s wet climate is attributed to the Pacific Ocean’s influence. This ocean affects the air pressure over our region, which can lead to more precipitation. Additionally, Puget Sound’s proximity to the Cascade and Olympic mountains causes an increase in moisture-laden air during the spring season, making for plenty of rain.

Why does it rain so often in Seattle?

There are a number of reasons why it rains so much in Seattle. Weather conditions in the Pacific Northwest are unique. Because of the region’s location and the surrounding mountains and coastline, weather can often be extreme—snow one year, rain the next. People who live here are used to these changes and are more prepared for them.

Why does it rain so much in Seattle in the winter?

Our region is home to some of the most extreme rainstorms in the country. On average, we receive about 53 inches of rain a year, the most of any city in the lower 48 states. Rainfall can be especially heavy during our December-to-March rainy season, which is known as our “seasonal” precipitation.