Seattle averages 39.34 inches of precipitation a year, with the vast majority falling as rain instead of snow. Official precipitation totals for the city are measured at Sea-Tac Airport, which is actually located south of the Seattle city limits.

In November, Seattle averages more rainfall than any other U.S. city of more than 250,000 people; it also ranks highly in winter precipitation. Conversely, the city receives some of the lowest precipitation amounts of any large city from June to September.

2024年7月31日 · Rainfall reaches its yearly minimum in July and August, reporting a mere 0.12" (3mm), making summer the driest season in Seattle. Despite the overall dry conditions, the city is in full bloom and this is considered an ideal time for tourists.

This page shows the average precipitation (including snowfall) in each month of the year in Seattle, Washington. It is based on NOAA data for the years 1991–2020.

Precipitation amounts to 1000 millimeters (39.4 inches) per year: so, it is at an intermediate level. It ranges from 15 mm (0.6 in) in the driest month (July) to 160 mm (6.3 in) in the wettest one (November). Here is the average precipitation. The sea temperature ranges from 8 °C (46 °F) in January, February to 13.5 °C (56 °F) in August.

Rain falls throughout the year in Seattle. The month with the most rain in Seattle is November, with an average rainfall of 7.5 inches. The month with the least rain in Seattle is July, with an average rainfall of 0.7 inches.

2024年12月31日 · Graphical Climatology of Seattle: Daily Temperatures and Rainfall, by Year (1945 – Present) The following is a graphical climatology of Seattle, Washington (Seattle-Tacoma Int’l Airport) temperatures, precipitation, and various other parameters, from 1945 into 2024.

Explore Seattle (WA) rainfall by month. See monthly precipitation (rain & snow). November brings the most, while July is the driest. Check average annual rainfall.

2 天之前 · Rain and snow showers likely, becoming all snow after 7pm. Mostly cloudy, with a low around 29. East northeast wind 6 to 8 mph. Chance of precipitation is 70%. ... West Seattle WA 47.57°N 122.41°W (Elev. 200 ft) Last Update: 8:40 pm PST Feb 2, 2025. Forecast Valid: 9pm PST Feb 2, 2025-6pm PST Feb 9, 2025 . Forecast Discussion . Additional ...

Precipitation and rainy days. Seattle experiences significant rain/snowfall throughout the year, averaging 1009 mm of precipitation annually. Seattle can be quite wet during November, receiving approximately 166 mm of precipitation over 20 rainy days.