Climate in Seattle (Washington State), United States of America
The graphs below show the monthly weather averages over the year.
The graphs below show the monthly weather averages over the year.
broken clouds and rain
partly cloudy and rain
broken clouds and no rain
Seattle has a temperate climate and experiences warm summers and mild winters. Most rain in Seattle is seen in winter and on an annual base the city experiences a large amount of rainfall making it one of the wettest cities in the country.
Winters in Seattle have an average maximum temperature of between 8°C and 11°C, so snowfall is rare. Summers have an average maximum temperature of 20°C to 25°C.
The best time to travel to Seattle in Washington State is from May to September. During this period you have a pleasant temperature and almost no precipitation. The city can be a bit busy during this period so it is recommended to book a place to stay in advance.
During the months of June, July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.
Other facts from our historical weather data: