Seaside
Oregon, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Seaside, OR

From atop a high cliff is this view of large rocks in the water on the Seaside shores, Oregon, overlooking the breathtaking sunset view
From atop a high cliff is this view of large rocks in the water on the Seaside shores, Oregon, overlooking the breathtaking sunset view
January, like December, in Seaside, Oregon, is another fresh winter month, with temperature in the range of an average low of 38.7°F (3.7°C) and an average high of 52.2°F (11.2°C). In January, the average high-temperature is practically the same as in December - a still fresh 52.2°F (11.2°C). Weather in January »
The last month of the winter, February, is also a fresh month in Seaside, Oregon, with average temperature fluctuating between 53.8°F (12.1°C) and 37.8°F (3.2°C). In February, the average high-temperature is essentially the same as in January - a still fresh 53.8°F (12.1°C). Weather in February »

The first month of the spring, March, is also a fresh month in Seaside, Oregon, with average temperature ranging between max 55.2°F (12.9°C) and min 39.4°F (4.1°C). In Seaside, the average high-temperature is essentially the same as in February - a still cool 55.2°F (12.9°C). Weather in March »

April is a moderate spring month in Seaside, Oregon, with average temperature varying between 57.2°F (14°C) and 41.2°F (5.1°C). In April, the average high-temperature is essentially the same as in March - a moderate 57.2°F (14°C). Weather in April »

May, the last month of the spring, in Seaside, is an enjoyable month, with average temperature fluctuating between 45.5°F (7.5°C) and 60.8°F (16°C). In Seaside, the average high-temperature is essentially the same as in April - an enjoyable 60.8°F (16°C). Weather in May »

The first month of the summer, June, is still a comfortable month in Seaside, Oregon, with average temperature fluctuating between 63.5°F (17.5°C) and 49.5°F (9.7°C). In Seaside, the average high-temperature is practically the same as in May - a still enjoyable 63.5°F (17.5°C). Weather in June »

July, like June, in Seaside, Oregon, is another enjoyable summer month, with average temperature ranging between max 66.4°F (19.1°C) and min 52.5°F (11.4°C). In July, the average high-temperature is practically the same as in June - a still enjoyable 66.4°F (19.1°C). Weather in July »

August, the last month of the summer, in Seaside, is also an enjoyable month, with average temperature fluctuating between 52.5°F (11.4°C) and 67.6°F (19.8°C). August is the warmest month, with an average high-temperature of 67.6°F (19.8°C) and an average low-temperature of 52.5°F (11.4°C). Weather in August »

The first month of the autumn, September, is also an enjoyable month in Seaside, Oregon, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 67.3°F (19.6°C). In Seaside, Oregon, the average high-temperature is almost the same as in August - a still enjoyable 67.3°F (19.6°C). Weather in September »

October, like September, in Seaside, Oregon, is another enjoyable autumn month, with average temperature fluctuating between 44.8°F (7.1°C) and 62.1°F (16.7°C). In Seaside, the average high-temperature is essentially the same as in September - a still comfortable 62.1°F (16.7°C). Weather in October »

November, the last month of the autumn, in Seaside, is another cool month, with average temperature fluctuating between 54.9°F (12.7°C) and 41.2°F (5.1°C). In November, the average high-temperature marginally drops, from an enjoyable 62.1°F (16.7°C) in October, to a fresh 54.9°F (12.7°C). Weather in November »

The first month of the winter, December, is also a fresh month in Seaside, Oregon, with average temperature ranging between max 51.1°F (10.6°C) and min 37.2°F (2.9°C). The coldest month is December, with an average high-temperature of 51.1°F (10.6°C) and an average low-temperature of 37.2°F (2.9°C). Weather in December »

How much does it rain in Seaside?

Throughout the year, there are 177.3 rainfall days, and 74.4" (1889.3mm) of precipitation is accumulated.

What is the month with the coldest ocean in Seaside?

February is the month with the coldest seawater in Seaside, Oregon, with an average ocean temperature of 48.2°F (9°C).

When are the longest days in Seaside?

June has the longest days of the year in Seaside, with an average of 15.7h of daylight.

What month is the ocean warmest in Seaside?

July is the month with the warmest seawater in Seaside, with an average ocean temperature of 57.2°F (14°C).

What is the warmest month in Seaside?

The warmest month is August, with an average high-temperature of 67.6°F (19.8°C) and an average low-temperature of 52.5°F (11.4°C).

What is the driest month in Seaside?

The month with the least rainfall is August when the rain falls for 6.9 days and typically collects 1.2" (31.2mm) of precipitation.

What is the wettest month in Seaside?

The month with the most rainfall is November when the rain falls for 20.4 days and typically aggregates up to 11.6" (295.9mm) of precipitation.

What is the coldest month in Seaside?

December is the coldest month, with an average high-temperature of 51.1°F (10.6°C) and an average low-temperature of 37.2°F (2.9°C).

What is the month with the shortest days in Seaside?

The month with the shortest days in Seaside is December, with an average of 8.7h of daylight.
Average temperature - Seaside, OR
Average rainfall - Seaside, OR
Average rainfall days - Seaside, OR

Months with the highest number of rainy days are January and November (20.4 days).
The month with the lowest number of rainy days is August (6.9 days).

Average sea temperature - Seaside, OR

The best month for swimming (with the highest average sea temperature) is July (57.2°F).
The coldest month (with the lowest average sea temperature) is February (48.1°F).

Average daylight - Seaside, OR

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).