Dr Aboud St Thomasindexhow Many Days Does It Rain In Seattle A Year - University Of Massachusetts Amherst Graduate Programs In seattle, washington, during the entire year, the rain falls for 84. 2 days and collects up to 5. 2 (132mm) of precipitation. January through march and. In fact, seattle typically has around 150 rainy days per year, beating out other major pnw cities such as portland. However, very rarely is the amount of rain actually significant as. On average, the city experiences precipitation on around 150 days a year. That's a decent chunk of the calendar, but here's the kicker: Most of that rain is more like a persistent drizzle, a misty. Does it really always rain in seattle? No, it doesn’t always rain in seattle. The city sees less total rain (39. 3 inches per year) but has more rainy days (156 days) than most major. According to a study by professor phil church and mark albright (published in weatherwise magazine, december 1974) only 18% of hours had measurable precipitation in. While seattle might be known for its rain, it’s not the u. s. ’s rainiest city. Receives about 61. 9 inches of rain over 135 days. That’s right, it rains an average of 156 days per year in seattle. Months with more rain are also generally far more overcast, which means they’re also the months with lower. Most rainy days are in january, february, march, april, october, november and december. On average, march is the most rainy with 20 days of rain/snow. On average, july is the driest month with 4 rainy days. The average annual number of rainy days is 167. So, how many days does it actually rain in seattle? Here comes the science.
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