Santa Monica
California, USA
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Santa Monica, CA

A night view of the neon-lit fun park in Santa Monica, California, with a view of the iconic Ferris wheel and pier, all reflected in the seawater below
A night view of the neon-lit fun park in Santa Monica, California, with a view of the iconic Ferris wheel and pier, all reflected in the seawater below
October, like September, is an agreeable autumn month in Santa Monica, California, with average temperature fluctuating between 70°F (21.1°C) and 60.1°F (15.6°C).

Temperature

In October, the average high-temperature is relatively the same as in September - a still agreeable 70°F (21.1°C). In October, in Santa Monica, the average low-temperature is 60.1°F (15.6°C).

Rainfall

In October, the rain falls for 0.8 days. Throughout October, 0.5" (12.7mm) of precipitation is accumulated. In Santa Monica, during the entire year, the rain falls for 32.7 days and collects up to 12.8" (324.9mm) of precipitation.

Ocean temperature

August through October, with an average ocean temperature of 66.2°F (19°C), are months with the warmest seawater in Santa Monica.
Note: For most, swimming in 66.2°F (19°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

The average length of the day is 11.3h.

Sunshine

In Santa Monica, the average sunshine is 8h.

UV index

In October, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in October in Santa Monica?

In Santa Monica, in October, the average high-temperature is 70°F (21.1°C), and the average low-temperature is 60.1°F (15.6°C).

How much does it rain in Santa Monica in October?

In Santa Monica, during October, the rain falls for 0.8 days and regularly aggregates up to 0.5" (12.7mm) of precipitation.

What months are the ocean warmest in Santa Monica?

August through October, with an average ocean temperature of 66.2°F (19°C), are months with the warmest seawater.

How cold is the water in October in Santa Monica?

In October, the average ocean temperature is 66.2°F (19°C). For most, swimming in 66.2°F (19°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).

How many hours of daylight does Santa Monica have in October?

In October, the average length of the day in Santa Monica, California, is 11.3h.

How many hours of sunshine does Santa Monica have in October?

In Santa Monica, California, the average sunshine in October is 8h.

What is the UV index reading in October in Santa Monica?

In Santa Monica, California, the average daily maximum UV index in October is 6. A UV Index value of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV rays.
Average temperature in October - Santa Monica, CA
  • Average high temperature in October: 70°F

Warmest months (with the highest average high temperature) are August and September (71°F).
Months with the lowest average high temperature are February and March (63°F).

  • Average low temperature in October: 60°F

Months with the highest average low temperature are July, August and September (63°F).
Coldest months (with the lowest average low temperature) are January and December (51°F).

Average rainfall in October - Santa Monica, CA
  • Average rainfall in October: 0.5"

The wettest month (with the highest rainfall) is February (3.4").
Driest months (with the lowest rainfall) are June, July and August (0").

Average rainfall days in October - Santa Monica, CA
  • Average rainfall days in October: 0.8 days

The month with the highest number of rainy days is February (7.9 days).
The month with the lowest number of rainy days is July (0.1 days).

Average sea temperature in October - Santa Monica, CA
  • Average sea temperature in October: 66°F

Best months for swimming (with the highest average sea temperature) are August, September and October (66°F).
Coldest months (with the lowest average sea temperature) are January, February, March, April, May and December (59°F).

Average daylight in October / Average sunshine in October - Santa Monica, CA
  • Average daylight in October: 11.3h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).

  • Average sunshine in October: 8h

The month with most sunshine is July (Average sunshine: 12h).
Months with least sunshine are January, November and December (Average sunshine: 7).

Average UV index in October - Santa Monica, CA
  • Average UV index in October: 6

The month with the highest UV index is July (UV index 11).
Months with the lowest UV index are January and December (UV index 3).