Climate and monthly weather forecast
Seaside, OR

Large rocks in the water on the Seaside shores, Oregon, overlooking the breathtaking sunset view
Large rocks in the water on the Seaside shores, Oregon, overlooking the breathtaking sunset view

Weather in January

January, the same as December, in Seaside, Oregon, is a frosty winter month, with an average temperature ranging between min 41.2°F (5.1°C) and max 47.8°F (8.8°C). In January, the average high-temperature is essentially the same as in December - a still frosty 47.8°F (8.8°C). Weather in January »

Weather in February

February, the last month of the winter in Seaside, is also a frosty month, with an average temperature fluctuating between 40.8°F (4.9°C) and 47.7°F (8.7°C). In February, the average high-temperature is relatively the same as in January - a still chilly 47.7°F (8.7°C). Weather in February »

Weather in March

The first month of the spring, March, is also a frosty month in Seaside, Oregon, with an average temperature fluctuating between 42.4°F (5.8°C) and 49.6°F (9.8°C). In March, the average high-temperature is practically the same as in February - a still chilly 49.6°F (9.8°C). Weather in March »

Weather in April

April is a fresh spring month in Seaside, Oregon, with an average temperature varying between 44.1°F (6.7°C) and 52.3°F (11.3°C). In Seaside, Oregon, the average high-temperature in April is practically the same as in March - a cool 52.3°F (11.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a mild month in Seaside, Oregon, with an average temperature ranging between max 57.6°F (14.2°C) and min 47.5°F (8.6°C). In May, the average high-temperature is relatively the same as in April - a mild 57.6°F (14.2°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderate month in Seaside, Oregon, with temperature in the range of an average low of 50.9°F (10.5°C) and an average high of 60.6°F (15.9°C). In Seaside, Oregon, the average high-temperature in June is essentially the same as in May - a still moderate 60.6°F (15.9°C). Weather in June »

Weather in July

July is an enjoyable summer month in Seaside, Oregon, with an average temperature fluctuating between 64.2°F (17.9°C) and 54.1°F (12.3°C). In July, the average high-temperature is essentially the same as in June - an enjoyable 64.2°F (17.9°C). Weather in July »

Weather in August

August, the last month of the summer in Seaside, is another comfortable month, with an average temperature fluctuating between 65.5°F (18.6°C) and 55°F (12.8°C). August is the warmest month, with an average high-temperature of 65.5°F (18.6°C) and an average low-temperature of 55°F (12.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Seaside, is also an enjoyable month, with an average temperature fluctuating between 53.8°F (12.1°C) and 63.5°F (17.5°C). In Seaside, the average high-temperature in September is relatively the same as in August - a still comfortable 63.5°F (17.5°C). Weather in September »

Weather in October

October, the same as September, in Seaside, Oregon, is a moderate autumn month, with an average temperature ranging between max 58.1°F (14.5°C) and min 49.8°F (9.9°C). In Seaside, Oregon, the average high-temperature in October marginally drops from a comfortable 63.5°F (17.5°C) in September to a moderate 58.1°F (14.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Seaside, is also a fresh month, with an average temperature fluctuating between 45.3°F (7.4°C) and 51.4°F (10.8°C). In November, the average high-temperature slightly decreases from a mild 58.1°F (14.5°C) in October to a fresh 51.4°F (10.8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Seaside, Oregon, with an average temperature varying between 46.6°F (8.1°C) and 40.5°F (4.7°C). With an average high-temperature of 46.6°F (8.1°C) and an average low-temperature of 40.5°F (4.7°C), December is the coldest month. Weather in December »
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FAQ

What is the least humid month in Seaside?

January, March through May, October and December, with an average relative humidity of 81%, are the least humid months in Seaside, Oregon.

How much does it rain in Seaside?

In Seaside, during the entire year, the rain falls for 185.6 days and collects up to 39.8" (1011mm) of precipitation.

When does it snow in Seaside?

Months with snowfall in Seaside are January through March and December.

How much does it snow in Seaside?

In Seaside, Oregon, during the entire year, snow falls for 2.8 days and aggregates up to 1.3" (33mm) of snow.

What are the months with the least sunshine in Seaside?

January and February, with an average of 3.9h of sunshine, are months with the least sunshine in Seaside.

What is the snowiest month in Seaside?

February is the month with the most snowfall. Snow falls for 1.3 days and accumulates 0.59" (15mm) of snow.

What is the month with the coldest ocean in Seaside?

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

What is the month with the lowest UV index in Seaside?

The months with the lowest UV index are February, November and December, with an average maximum UV index of 2.

When is Daylight Saving Time (DST) in Seaside?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow in Seaside?

In Seaside, Oregon, snow does not fall in April through November.

What are the months with the highest UV index in Seaside?

May through September, with an average maximum UV index of 4, are months with the highest UV index.

When are the longest days in Seaside?

With an average of 15h and 41min of daylight, June has the longest days of the year.

What is the driest month in Seaside?

July and August are months with the least rain in Seaside when the rain falls for 7.3 days and typically aggregates up to 0.47" (12mm) of rain.

When is the ocean warmest in Seaside?

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

What is the warmest month in Seaside?

With an average high-temperature of 65.5°F (18.6°C) and an average low-temperature of 55°F (12.8°C), August is the warmest month in Seaside.

What is the most humid month in Seaside?

August is the most humid month in Seaside, Oregon, with an average relative humidity of 84%.

What month has the most sunshine in Seaside?

The month with the most sunshine in Seaside is August, with an average of 10h of sunshine.

What is the coldest month in Seaside?

With an average high-temperature of 46.6°F (8.1°C) and an average low-temperature of 40.5°F (4.7°C), December is the coldest month.

What is the wettest month in Seaside?

December is the month with the most rainfall in Seaside, Oregon. Rain falls for 20.7 days and accumulates 6.54" (166mm) of precipitation.

What is the month with the shortest days in Seaside?

December has the shortest days of the year, with an average of 8h and 43min of daylight.

Average temperature
Seaside, OR

Average temperature - Seaside, OR

The warmest month (with the highest average high temperature) is August (65.5°F).
The month with the lowest average high temperature is December (46.6°F).

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).

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Average pressure
Seaside, OR

Average pressure - Seaside, OR

The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.02"Hg).

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Average wind speed
Seaside, OR

Average wind speed - Seaside, OR

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity
Seaside, OR

Average humidity - Seaside, OR

The month with the highest relative humidity is August (84%).
The months with the lowest relative humidity are January, March, April, May, October and December (81%).

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Average rainfall
Seaside, OR

Average rainfall - Seaside, OR

The wettest month (with the highest rainfall) is December (6.54").
The driest months (with the least rainfall) are July and August (0.47").

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Average rainfall days
Seaside, OR

Average rainfall days - Seaside, OR

The month with the highest number of rainy days is March (20.8 days).
The months with the least rainy days are July and August (7.3 days).

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Average snowfall
Seaside, OR

Average snowfall - Seaside, OR

The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days
Seaside, OR

Average snowfall days - Seaside, OR

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average sea temperature
Seaside, OR

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).

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Average daylight / Average sunshine
Seaside, OR

Average daylight / Average sunshine - Seaside, OR

The month with the longest days is June (Average daylight: 15h and 41min).
The month with the shortest days is December (Average daylight: 8h and 43min).

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).

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Average sunshine days
Seaside, OR

Average sunshine days - Seaside, OR

The month with the most sunshine days is August (21.2 days).
The month with the least sunshine days is February (7.5 days).

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Average UV index
Seaside, OR

Average UV index - Seaside, OR

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are February, November and December (UV index 2).

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Average visibility
Seaside, OR

Average visibility - Seaside, OR

The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).

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