Seaside (OR) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Seaside.
Climate overview of Seaside
Temperatures in Seaside, Oregon, United States of America, vary greatly throughout the year. August is the hottest month at 21°C (70°F), while December is the coldest at 9°C (48°F).
The city receives considerable rain/snowfall, with around 2250 mm (89 in) annually. November is the wettest month. It has distinct dry (July to August) and wet (October to April) seasons. The most sunshine falls in July, with an average of 11.0 hours of daily sunshine.
Seaside Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Seaside — and find the best time to visit.
Monthly Temperature in Seaside
The climate in Seaside is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a pleasant 21°C (70°F) in August to a chilly 9°C (48°F) in the coolest month, December.
Nights vary from 12°C (54°F) in August to around 2°C (36°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Seaside
Seaside has a notably wet climate with abundant precipitation, recording 2250 mm (89 in) of rain/snowfall per year. The climate in Seaside shows significant variation throughout the year. Expect heavy rainfall in November, the wettest month, with an average of 363 mm (14 in) of precipitation over 23 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 29 mm (1.1 in) of rainfall over 8 rainy days. For more details, please visit our Seaside Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Seaside
For those who appreciate different seasons, Seaside serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.0 hours of sunshine daily, and embrace the darker days in December, offering only 2.1 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Seaside
The wettest months are January, February, March, April, October, November and December, when precipitation is at its highest. Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.
Frequently asked questions about the climate in Seaside
What is the best time to visit Seaside?
July, August and September typically offer the most optimal weather in Seaside. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Seaside has distinct dry (July to August) and wet (October to April) seasons.
What temperatures can I expect in Seaside?
Daytime highs range from 9°C (48°F) in December to 21°C (70°F) in August. Nighttime lows range from 2°C (36°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Seaside get?
Annual rainfall is around 2250 mm (89 in). November is the wettest month with 363 mm (14 in), while July is the driest with 29 mm (1.1 in).
How sunny is Seaside?
Seaside receives around 2,342 hours of sunshine per year. July is the sunniest month with 330 hours, while December is the cloudiest with just 62 hours. Overall, Seaside enjoys abundant sunshine.
Seaside 3-Day Forecast
Seaside (OR) 3-Day Forecast
Seaside on the map
Seaside is highlighted — select any city to see its climate.
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