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

October 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
October, the same as September, in Oceanside, California, is another pleasant autumn month, with average temperature varying between 48.9°F (9.4°C) and 68°F (20°C).

Temperature

In October, the average high-temperature is essentially the same as in September - a still pleasant 68°F (20°C). In October, in Oceanside, the average low-temperature is 48.9°F (9.4°C).

Rainfall

Throughout October, 0.4" (10.9mm) of precipitation is accumulated. During the entire year, Oceanside aggregates up to 11.1" (282.7mm) of precipitation.

Ocean temperature

In Oceanside, California, in October, the average water temperature is 64.9°F (18.3°C).
Note: Swimming in 64.9°F (18.3°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

The average length of the day in October is 11.3h.

What is the temperature in October in Oceanside?

In Oceanside, California, in October, the average high-temperature is 68°F (20°C), and the average low-temperature is 48.9°F (9.4°C).

How much does it rain in Oceanside in October?

Throughout October, 0.4" (10.9mm) of precipitation is accumulated.

What is the ocean temperature in October in Oceanside?

In Oceanside, California, the average seawater temperature in October is 64.9°F (18.3°C). For swimming, a surface water temperature of 64.9°F (18.3°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

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

In October, the average length of the day in Oceanside is 11.3h.
Average temperature in October - Oceanside, CA
  • Average high temperature in October: 68°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 October: 48.9°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 October - Oceanside, CA
  • Average rainfall in October: 0.4"

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 October - Oceanside, CA
  • Average sea temperature in October: 64.8°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 October - Oceanside, CA
  • Average daylight in October: 11.3h

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