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

August weather forecast and climate
Oceanside, CA

An evening panoramic view of people on the clean beach of Oceanside City in California, with buildings and palm trees with sun rays and a cloudy sky
An evening panoramic view of people on the clean beach of Oceanside City in California, with buildings and palm trees with sun rays and a cloudy sky
The last month of the summer, August, is another pleasant month in Oceanside, California, with average temperature ranging between max 73°F (22.8°C) and min 61°F (16.1°C).

Temperature

In Oceanside, the average high-temperature is essentially the same as in July - an agreeable 73°F (22.8°C). In Oceanside, the average low-temperature is 61°F (16.1°C).

Rainfall

During August, Oceanside regularly aggregates up to 0.1" (3.3mm) of precipitation. During the entire year, Oceanside aggregates up to 11.1" (282.7mm) of precipitation.

Ocean temperature

Months with the warmest seawater are July and August, with an average ocean temperature of 68°F (20°C).
Note: For most, swimming in 68°F (20°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

In Oceanside, the average length of the day in August is 13.3h.

What is the temperature in August in Oceanside?

In August, the average high-temperature is 73°F (22.8°C), and the average low-temperature is 61°F (16.1°C).

How much does it rain in Oceanside in August?

During August, Oceanside regularly aggregates up to 0.1" (3.3mm) of precipitation.

When is the ocean warmest in Oceanside?

July and August, with an average ocean temperature of 68°F (20°C), are months with the warmest seawater in Oceanside.

What is the ocean temperature in August in Oceanside?

In Oceanside, the average seawater temperature in August is 68°F (20°C). For most, swimming in 68°F (20°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

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

In Oceanside, the average length of the day in August is 13.3h.
Average temperature in August - Oceanside, CA
  • Average high temperature in August: 73°F

The warmest month (with the highest average high temperature) is July (73.9°F).
Months with the lowest average high temperature are January, February and December (64°F).

  • Average low temperature in August: 61°F

The month with the highest average low temperature is July (64°F).
Coldest months (with the lowest average low temperature) are January and December (45°F).

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

The wettest month (with the highest rainfall) is January (2.4").
The driest month (with the lowest rainfall) is July (0").

Average sea temperature in August - Oceanside, CA
  • Average sea temperature in August: 68°F

The best month for swimming (with the highest average sea temperature) is August (68°F).
Coldest months (with the lowest average sea temperature) are January and February (58.7°F).

Average daylight in August - Oceanside, CA
  • Average daylight in August: 13.3h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).