Pismo Beach
California, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Pismo Beach, CA

Ocean temperature

Months with the warmest seawater in Pismo Beach, California, are August and October, with an average ocean temperature of 58.6°F (14.8°C).
Note: Swimming in 58.6°F (14.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

The average length of the day in August is 13.4h.

What months are the ocean warmest in Pismo Beach?

August and October, with an average ocean temperature of 58.6°F (14.8°C), are months with the warmest seawater in Pismo Beach, California.

How cold is the water in August in Pismo Beach?

In August, the average ocean temperature is 58.6°F (14.8°C). 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. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Pismo Beach have in August?

The average length of the day in August in Pismo Beach is 13.4h.
Average sea temperature in August - Pismo Beach, CA
  • Average sea temperature in August: 58.6°F

Best months for swimming (with the highest average sea temperature) are August and October (58.6°F).
The coldest month (with the lowest average sea temperature) is April (54.3°F).

Average daylight in August - Pismo Beach, CA
  • Average daylight in August: 13.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).