SeaTac weather in May (Washington State, United States of America)
Will it be rainy or sunny in SeaTac this May? Discover if this is the best time for your journey with our detailed monthly weather breakdown.
Temperatures
In May, the weather in SeaTac generally includes pleasant temperatures and moderate rainfall. Throughout the day, temperatures typically settle at around 19°C. But by evening, they drop to around 9°C.
Precipitation
SeaTac in May usually receives moderate rainfall, averaging around 54 mm for the month. Climate data suggests that about 12 days will experience rainfall.Average sunshine
The days are predominantly sunny, with an estimated total of around 254 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.Should you favor a climate that's both dry and comfortably warm June, July, August and September typically offer the most agreeable circumstances. On the other hand, January, February, March, November and December tend to be characterized by conditions that may not be as optimal.
For an in-depth look at the yearly conditions, visit our specialized SeaTac climate page with graphs.
SeaTac, monthly averages in May
Min Temperature
9°C
Max Temperature
19°C
Chance of Rain
40%
Precipitation
54 mm
Rainy days
12 days
Humidity
68% *
Windspeed
14 km/h *
Sunshine
254 hours *
Percentage Sunshine
54% *
Where to go in the United States of America in May
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?
For visitors traveling to SeaTac, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.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.
