what is the average weather in seattle
Seattle: Annual Weather Averages. July is the hottest month in Seattle with an average temperature of 18Â°C (64Â°F) and the coldest is January at 5Â°C (41Â°F) with the most daily sunshine hours at 10 in July. The wettest month is December with an average of 150mm of rain. The best month to swim in the sea is in July when the average sea temperature is 14Â°C (57Â°F).
It&#039;s Not All Rain. The average winter temperature in Seattle is fairly mild, with January experiencing the coldest monthly temps -- the average high is 47 degrees F and the average low is 36. February is typically a few degrees warmer.