SeaTac weather in March (Washington State, United States of America)
How's the weather trend in SeaTac as March approaches? This guide provides the necessary weather information for your travel plans.
Temperatures
The month of March in SeaTac typically brings moderate temperatures and high rainfall. Throughout the day, temperatures typically settle at around 12°C. But by evening, they drop to around 4°C.
Precipitation
SeaTac in March usually receives high rainfall, averaging around 124 mm for the month. Past climate data indicates that roughly 21 days will see rain.Average sunshine
The area enjoys a moderate level of sunlight, with around 179 hours. It's a good balance between sunny and cloudy days.If you're looking for dry conditions and comfortable temperatures, March may not be the ideal month to visit SeaTac. June, July, August and September typically offer the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized SeaTac climate page with graphs.
SeaTac, monthly averages in March
Min Temperature
4°C
Max Temperature
12°C
Chance of Rain
68%
Precipitation
124 mm
Rainy days
21 days
Humidity
73% *
Windspeed
18 km/h *
Sunshine
179 hours *
Percentage Sunshine
48% *
Where to go in the United States of America in March
Find out more about the weather in the United States of America and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in SeaTac.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
