Weather in January
In January, the average ocean temperature in Seacliff State Beach, California, is 54.1°F (12.3°C). Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in January »
Weather in February
In February, the average ocean temperature in Seacliff State Beach, California, is 54.1°F (12.3°C). Note: Swimming in 54.1°F (12.3°C) is considered dangerous. Weather in February »
Weather in March
In March, the average ocean temperature in Seacliff State Beach, California, is 54.5°F (12.5°C). Note: Swimming in 54.5°F (12.5°C) is considered dangerous. Weather in March »
Weather in April
April is the month with the coldest seawater in Seacliff State Beach, California, with an average ocean temperature of 53.8°F (12.1°C). Note: Swimming in 53.8°F (12.1°C) is considered life-threatening. Weather in April »
Weather in May
In Seacliff State Beach, California, the average seawater temperature in May is 54.1°F (12.3°C). Note: Swimming in 54.1°F (12.3°C) is considered dangerous. Weather in May »
Weather in June
In Seacliff State Beach, California, the average seawater temperature in June is 54.3°F (12.4°C). Note: Swimming in 54.3°F (12.4°C) is considered life-threatening. Weather in June »
Weather in July
In July, the average ocean temperature in Seacliff State Beach, California, is 56.8°F (13.8°C). Note: Swimming in 56.8°F (13.8°C) is considered dangerous. Weather in July »
Weather in August
August and September, with an average ocean temperature of 58.1°F (14.5°C), are months with the warmest seawater in Seacliff State Beach, California. Note: Swimming in 58.1°F (14.5°C) is considered life-threatening. Weather in August »
Weather in September
August and September, with an average ocean temperature of 58.1°F (14.5°C), are months with the warmest seawater in Seacliff State Beach, California. Note: Swimming in 58.1°F (14.5°C) is considered life-threatening. Weather in September »
Weather in October
In Seacliff State Beach, California, in October, the average water temperature is 57.7°F (14.3°C). Note: Swimming in 57.7°F (14.3°C) is considered dangerous. Weather in October »
Weather in November
In Seacliff State Beach, California, in November, the average water temperature is 56.5°F (13.6°C). Note: Swimming in 56.5°F (13.6°C) is considered life-threatening. Weather in November »
Weather in December
In Seacliff State Beach, California, the average seawater temperature in December is 55.6°F (13.1°C). Note: Swimming in 55.6°F (13.1°C) is considered life-threatening. Weather in December »
[Resources]FAQ
When is Daylight Saving Time (DST) in Seacliff State Beach?
On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Seacliff State Beach, California, 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.
What is the month with the coldest ocean in Seacliff State Beach?
With an average ocean temperature of 53.8°F (12.1°C), April is the month with the coldest seawater in Seacliff State Beach, California.
When are the longest days in Seacliff State Beach?
June has the longest days of the year in Seacliff State Beach, with an average of 14h and 40min of daylight.
When is the ocean warmest in Seacliff State Beach?
August and September, with an average ocean temperature of 58.1°F (14.5°C), are months with the warmest seawater.
What is the month with the shortest days in Seacliff State Beach?
The month with the shortest days is December, with an average of 9h and 40min of daylight.
Average sea temperature
Seacliff State Beach, CA
The best months for swimming (with the highest average sea temperature) are August and September (58.1°F).
The coldest month (with the lowest average sea temperature) is April (53.8°F).
Average daylight
Seacliff State Beach, CA
- Average daylight in January:
9h and 58min - Average daylight in February:
10h and 52min - Average daylight in March:
11h and 59min - Average daylight in April:
13h and 10min - Average daylight in May:
14h and 10min - Average daylight in June:
14h and 40min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 32min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 14min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 40min
The month with the longest days is June (Average daylight: 14h and 40min).
The month with the shortest days is December (Average daylight: 9h and 40min).
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