Pacific Grove
California, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Pacific Grove, CA

Ocean temperature

In May, the average ocean temperature in Pacific Grove, California, is 54.1°F (12.3°C).
Note: Swimming in 54.1°F (12.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.


The average length of the day in May in Pacific Grove is 14.1h.

What is the ocean temperature in May in Pacific Grove?

In Pacific Grove, the average seawater temperature in May is 54.1°F (12.3°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 Pacific Grove have in May?

In Pacific Grove, the average length of the day in May is 14.1h.
Average sea temperature in May - Pacific Grove, CA
  • Average sea temperature in May: 54.2°F

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 in May - Pacific Grove, CA
  • Average daylight in May: 14.1h

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