Monthly weather forecast and climate
Seaside, CA

Weather in January

January, like December, is a moderate winter month in Seaside, California, with average temperature varying between 46.4°F (8°C) and 59°F (15°C). In January, the average high-temperature is almost the same as in December - a still mild 59°F (15°C). Weather in January »

Weather in February

The last month of the winter, February, is also a moderate month in Seaside, California, with average temperature varying between 46°F (7.8°C) and 58.1°F (14.5°C). In February, the average high-temperature is relatively the same as in January - a still mild 58.1°F (14.5°C). Weather in February »

Weather in March

March, the first month of the spring, in Seaside, is still a mild month, with average temperature varying between 46.4°F (8°C) and 59.5°F (15.3°C). In March, the average high-temperature is relatively the same as in February - a still mild 59.5°F (15.3°C). Weather in March »

Weather in April

April in Seaside, California, is a comfortable spring month, with average temperature ranging between min 47.3°F (8.5°C) and max 61.3°F (16.3°C). In Seaside, the average high-temperature is essentially the same as in March - a comfortable 61.3°F (16.3°C). Weather in April »

Weather in May

The last month of the spring, May, is another comfortable month in Seaside, California, with average temperature varying between 49.5°F (9.7°C) and 63.9°F (17.7°C). In May, the average high-temperature is essentially the same as in April - a still comfortable 63.9°F (17.7°C). Weather in May »

Weather in June

June, the first month of the summer, in Seaside, is an agreeable month, with average temperature varying between 68.4°F (20.2°C) and 52.3°F (11.3°C). In Seaside, the average high-temperature is practically the same as in May - an agreeable 68.4°F (20.2°C). Weather in June »

Weather in July

July, the same as June, in Seaside, California, is another pleasant summer month, with average temperature fluctuating between 54.5°F (12.5°C) and 71.2°F (21.8°C). In July, the average high-temperature is practically the same as in June - a still agreeable 71.2°F (21.8°C). Weather in July »

Weather in August

August, the last month of the summer, in Seaside, is another pleasant month, with average temperature ranging between max 72.1°F (22.3°C) and min 55.2°F (12.9°C). In August, the average high-temperature is almost the same as in July - a still agreeable 72.1°F (22.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Seaside, California, with temperature in the range of an average low of 55.2°F (12.9°C) and an average high of 72.5°F (22.5°C). September is the warmest month, with an average high-temperature of 72.5°F (22.5°C) and an average low-temperature of 55.2°F (12.9°C). Weather in September »

Weather in October

October, the same as September, in Seaside, California, is another pleasant autumn month, with average temperature ranging between min 53.6°F (12°C) and max 68.7°F (20.4°C). In October, the average high-temperature is practically the same as in September - a still agreeable 68.7°F (20.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Seaside, California, with average temperature varying between 62.8°F (17.1°C) and 49.8°F (9.9°C). In November, the average high-temperature marginally drops, from a pleasant 68.7°F (20.4°C) in October, to a comfortable 62.8°F (17.1°C). Weather in November »

Weather in December

December, the first month of the winter, in Seaside, is still a mild month, with average temperature varying between 57.2°F (14°C) and 46.4°F (8°C). The coldest month is December, with an average high-temperature of 57.2°F (14°C) and an average low-temperature of 46.4°F (8°C). Weather in December »
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FAQ

How much does it rain in Seaside?

Throughout the year, in Seaside, California, there are 73.6 rainfall days, and 11.77" (299mm) of precipitation is accumulated.

What are the most humid months in Seaside?

March and May, with an average relative humidity of 76%, are most humid months.

When are the longest days in Seaside?

June has the longest days of the year in Seaside, with an average of 14.6h of daylight.

When is the highest UV index in Seaside?

Months with the highest UV index in Seaside are June through September, with an average maximum UV index of 5.

What is the driest month in Seaside?

Months with the least rainfall in Seaside, California, are July and August Rain falls for 2.4 days and accumulates 0.08" (2mm) of rain.

What month has the most sunshine in Seaside?

With an average of 12h of sunshine, July has the most sunshine of the year.

What is the warmest month in Seaside?

September is the warmest month in Seaside, California, with an average high-temperature of 72.5°F (22.5°C) and an average low-temperature of 55.2°F (12.9°C).

What is the least humid month in Seaside?

With an average relative humidity of 68%, November is the least humid month.

What is the coldest month in Seaside?

With an average high-temperature of 57.2°F (14°C) and an average low-temperature of 46.4°F (8°C), December is the coldest month in Seaside.

What is the wettest month in Seaside?

The month with the most rainfall is December when the rain falls for 9.9 days and typically aggregates up to 2.4" (61mm) of precipitation.

What is the month with the shortest days in Seaside?

With an average of 9.7h of daylight, December has the shortest days of the year in Seaside.

What is the month with the least sunshine in Seaside?

The month with the least sunshine in Seaside is December, with an average of 6h of sunshine.

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

The month with the lowest UV index in Seaside is December, with an average maximum UV index of 3.

Average temperature
Seaside, CA

Average temperature - Seaside, CA

The warmest month (with the highest average high temperature) is September (72.5°F).
The month with the lowest average high temperature is December (57.2°F).

Months with the highest average low temperature are August and September (55.2°F).
The coldest month (with the lowest average low temperature) is February (46°F).

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Average pressure
Seaside, CA

Average pressure - Seaside, CA

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is September (29.92").

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Average wind speed
Seaside, CA

Average wind speed - Seaside, CA

The windiest months (with the highest average wind speed) are April and May (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity
Seaside, CA

Average humidity - Seaside, CA

Months with the highest relative humidity are March and May (76%).
The month with the lowest relative humidity is November (68%).

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Average rainfall
Seaside, CA

Average rainfall - Seaside, CA

The wettest month (with the highest rainfall) is December (2.4").
The driest months (with the least rainfall) are July and August (0.08").

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Average rainfall days
Seaside, CA

Average rainfall days - Seaside, CA

The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (1.1 days).

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Average daylight / Average sunshine
Seaside, CA

Average daylight / Average sunshine - Seaside, CA

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average sunshine days
Seaside, CA

Average sunshine days - Seaside, CA

The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is March (16.8 days).

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Average visibility
Seaside, CA

Average visibility - Seaside, CA

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

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