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Seaside, OR Weather


Seaside, OR climate is mild during summer when temperatures tend to be in the 60's and cold during winter when temperatures tend to be in the 40's.

The warmest month of the year is September with an average maximum temperature of 69.60 degrees Fahrenheit, while the coldest month of the year is December with an average minimum temperature of 38.40 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 15 degrees Fahrenheit, and fairly limited during winter with an average difference of 14 degrees Fahrenheit.

The annual average precipitation at Seaside is 75.74 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is November with an average rainfall of 11.38 Inches.

Weather Data

Normal Climate

Normal Temperatures

(SEASIDE Weather station, 0.92 miles from Seaside)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 51.6 54.0 55.8 58.4 61.9 64.8 67.7 69.0 69.6 63.6 55.7 51.6 60.3
Mean °F 45.1 46.7 48.0 50.4 54.2 57.5 60.3 61.2 59.8 54.6 48.7 45.0 52.6
Min °F 38.5 39.4 40.2 42.4 46.5 50.2 52.9 53.3 50.0 45.5 41.7 38.4 44.9

Normal Precipitation

(SEASIDE Weather station, 0.92 miles from Seaside)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 10.27 9.57 8.44 5.74 3.96 3.00 1.63 1.34 3.00 6.07 11.38 11.34 75.74