The best time to visit Seattle
Month-by-month climate averages for Seattle, WA, so you can pick your dates on data rather than guesswork.
The most comfortable time to visit Seattle is usually May, June, July and August, when daytime highs sit in the pleasant 60-78°F range and the heaviest November rain is behind you.
Seattle is warmest in July (highs near 76°F) and coldest in February (lows around 36°F), with roughly 42 inches of precipitation across the year and November the wettest month. The sweet spot for most visitors is May, June, July and August.
These are long-run averages. For the actual days you are travelling, check the live Seattle forecast - and note how much the models agree, because that tells you how much to trust it.
Seattle weather by month
what to expect in Seattle through the year, 1991-2020 averagesHere is Seattle's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Seattle by season.