Seattle weather
in March
“Green, wet, atmospheric. Bring proper waterproofs.”
Roughly 16 rainy days across the month, on average.
In march, Seattle settles into its quieter, cooler pace. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.
Days average around 12°C (53°F), cooling to 4°C after sunset. Expect meaningful rain — some 16 wet days across the month. Pack accordingly and let the weather choose your afternoons.
These figures are climatological averages, drawn from a decade of daily records via the Open-Meteo Archive — not a forecast. But they are honest, and they are the sort of thing a good travel guide ought to tell you before you book the flight.
What to pack for Seattle in March
- •A properly warm coat — not a fashion piece
- •A compact travel umbrella — one you'll actually carry
- •A merino base layer for the cold evenings
- •Comfortable, broken-in walking shoes
- •A small daypack that won't look like a tourist beacon
What to pack for Seattle in March
- →Lightweight fleeceAmazon · shop this
- →Merino travel socksAmazon · shop this
- →Packable rain jacketAmazon · shop this
- →Compact travel umbrellaAmazon · shop this
- →Waterproof dry bagAmazon · shop this
- →Universal travel adapterAmazon · shop this
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Where to stay in Seattle
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Seattle in March — FAQ
Q01Is March a good time to visit Seattle?
Is March a good time to visit Seattle?
It is a fair time to visit — expect variable conditions and plan flexibility. In March, Seattle averages a high of 12°C (53°F) and a low of 4°C (40°F), with 119mm of rainfall across roughly 16 rainy days.
Q02What is the average temperature in Seattle in March?
What is the average temperature in Seattle in March?
The average high temperature in Seattle during March is 12°C (53°F), with an average low of 4°C (40°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Seattle have in March?
How many rainy days does Seattle have in March?
Seattle averages approximately 16 rainy days in March, with a total monthly rainfall of about 119mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Seattle in March?
What should I pack for Seattle in March?
For Seattle in March, pack a warm winter coat, a merino base layer for evenings, a compact umbrella or waterproof jacket, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Seattle in March?
How crowded is Seattle in March?
Tourist crowds in Seattle during March are typically moderate. Consider this when planning accommodation — prices track crowd levels closely.