Seaside weather in May (Oregon, United States of America)

What can you expect from the weather in Seaside during May? This guide provides all the details you need.

In May, Seaside generally has moderate temperatures and high rainfall. Throughout the daytime, temperatures often hover around 16°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 7°C.

Seaside in May usually receives high rainfall, averaging around 116 mm for the month. Based on our climate data of the past 30 years, about 16 days of rain are anticipated.

With around 278 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you prefer dry days with pleasant temperatures, July, August and September typically offer the best circumstances. While January, February, March, April, October, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Seaside climate page with graphs.

 

Seaside, monthly averages in May

Min Temperature 7°C  
Max Temperature 16°C  
Chance of Rain 54%  
Precipitation 116 mm  
Rainy days 16 days  
Sunshine 278 hours *  
Percentage Sunshine *  
* Data from: Astoria, the United States of America (22 KM, 14 Miles).

Where to go in the United States of America in May

Find out more about the weather in the United States of America in May and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Seaside in May?

For visitors traveling to Seaside, 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 in May.

Cycling
5/10
Walking
5/10
Camping
3/10
Outdoor sports
9/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Seaside.

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 climate conditions. Find out where to go with our weather planner.