Monterey
California, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Monterey, CA

The scenic view of the rugged mountainous coast of Big Sur in Monterey, California, under the clear blue sky
The scenic view of the rugged mountainous coast of Big Sur in Monterey, California, under the clear blue sky
August, the last month of the summer, in Monterey, is also an enjoyable month, with average temperature ranging between max 67.6°F (19.8°C) and min 53.1°F (11.7°C).

Temperature

In August, the average high-temperature is essentially the same as in July - a still comfortable 67.6°F (19.8°C). The average low-temperature, in Monterey, is 53.1°F (11.7°C).

Rainfall

In Monterey, in August, during 2 rainfall days, 0.1" (1.8mm) of precipitation is typically accumulated. Throughout the year, in Monterey, there are 71 rainfall days, and 21.1" (536mm) of precipitation is accumulated.

Ocean temperature

August and September, with an average ocean temperature of 58.1°F (14.5°C), are months with the warmest seawater. Swimming in 58.1°F (14.5°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

In August, the average length of the day in Monterey is 13.5h.

What is the temperature in August in Monterey?

The average high-temperature, in August, in Monterey, California, is 67.6°F (19.8°C), while the average low-temperature is 53.1°F (11.7°C).

How many days does it rain in August in Monterey?

In Monterey, in August, it is raining for 2 days, with typically 0.1" (1.8mm) of accumulated precipitation.

What months are the ocean warmest in Monterey?

Months with the warmest seawater are August and September, with an average ocean temperature of 58.1°F (14.5°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 cold is the water in August in Monterey?

In August, the average ocean temperature in Monterey, California, is 58.1°F (14.5°C). Swimming in 58.1°F (14.5°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.

What is the average length of the day in August in Monterey?

The average length of the day in August in Monterey, California, is 13.5h.
Average temperature in August - Monterey, CA
  • Average high temperature in August: 67.6°F

The warmest month (with the highest average high temperature) is September (69.6°F).
The month with the lowest average high temperature is December (57.8°F).

  • Average low temperature in August: 53.1°F

The month with the highest average low temperature is August (53.1°F).
The coldest month (with the lowest average low temperature) is January (43.7°F).

Average rainfall in August - Monterey, CA
  • Average rainfall in August: 0.1"

The wettest month (with the highest rainfall) is January (4.4").
Driest months (with the lowest rainfall) are July and August (0.1").

Average rainfall days in August - Monterey, CA
  • Average rainfall days in August: 2 days

The month with the highest number of rainy days is January (11 days).
Months with the lowest number of rainy days are July, August and September (2 days).

Average sea temperature in August - Monterey, CA
  • Average sea temperature in August: 58.1°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 August - Monterey, CA
  • Average daylight in August: 13.5h

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