Seaside (CA) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Seaside.

Climate overview of Seaside

Seaside, California, United States of America, enjoys a steady climate throughout the year, with daytime temperatures typically around 18°C (64°F). September is the warmest month at 21°C (70°F), while December is the coolest at 15°C (59°F).

The city has a relatively dry climate, receiving around 373 mm (15 in) of rainfall per year. It does experience a distinct dry season from April to November. December is the wettest month and July the driest.

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 temperature in Seaside remains steady throughout the year, providing a consistently pleasant climate. On average, daytime temperatures range from a pleasant 21°C (70°F) in September to a moderate 15°C (59°F) in December.

Nighttime temperatures range from 12°C (54°F) in September to 6°C (43°F) in December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Seaside

With annual rainfall averaging 373 mm (15 in), Seaside maintains relatively low precipitation levels throughout the seasons. The seasons in Seaside bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 76 mm (3 in) of precipitation. This rainfall is distributed across 11 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 0.4 mm (0.02 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Seaside Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Seaside

During the months of June, July, August, September, October and November, Seaside enjoys pleasant weather with average temperatures ranging from 18°C (65°F) to 21°C (69°F). These months are perfect for sightseeing and exploring.

Rainfall during this time ranges from 0 mm (0 in) in July to 37 mm (1.5 in) in November. This means you can expect a mix of sunny days and occasional showers.

Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.

Frequently asked questions about the climate in Seaside

What is the best time to visit Seaside?

May, June, July, August, September and October typically offer the most optimal weather in Seaside. In contrast, January, February, March, April and December tend to have less optimal conditions. Seaside has a distinct dry season from April to November.

What temperatures can I expect in Seaside?

Daytime highs range from 15°C (59°F) in December to 21°C (70°F) in September. Nighttime lows range from 6°C (43°F) to 12°C (54°F). Temperatures stay relatively stable year-round.

How much rain does Seaside get?

Annual rainfall is around 373 mm (15 in). December is the wettest month with 76 mm (3 in), while July is the driest with 0.4 mm (0.02 in).

Seaside 3-Day Forecast

Seaside (CA) 3-Day Forecast

Seaside on the map

Seaside is highlighted — select any city to see its climate.

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Where to go in July — average daytime high across popular destinations.

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