October weather forecast and climate
Santa Monica, CA

The neon-lit fun park in Santa Monica, California, with a view of the iconic Ferris wheel and pier
The neon-lit fun park in Santa Monica, California, with a view of the iconic Ferris wheel and pier

Weather in October

October, like September, in Santa Monica, California, is another warm autumn month, with average temperature fluctuating between 76.1°F (24.5°C) and 61°F (16.1°C).

Temperature

In October, the average high-temperature is essentially the same as in September - a still moderately hot 76.1°F (24.5°C). The average low-temperature, is 61°F (16.1°C).

Humidity

The average relative humidity in October is 56%.

Rainfall

In Santa Monica, during October, the rain falls for 3.5 days and regularly aggregates up to 0.2" (5mm) of precipitation. Throughout the year, in Santa Monica, California, there are 48.8 rainfall days, and 7.52" (191mm) of precipitation is accumulated.

Ocean temperature

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

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

Sunshine

The average sunshine in October is 8.3h.

UV index

In Santa Monica, the average daily maximum UV index in October is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
[Resources]

FAQ

What is the temperature in October in Santa Monica?

The average high-temperature, in October, in Santa Monica, is 76.1°F (24.5°C), while the average low-temperature is 61°F (16.1°C).

What is the average humidity in October in Santa Monica?

In Santa Monica, the average relative humidity in October is 56%.

How much does it rain in Santa Monica in October?

In Santa Monica, during October, the rain falls for 3.5 days and regularly aggregates up to 0.2" (5mm) 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 in Santa Monica.

What is the ocean temperature in October in Santa Monica?

In Santa Monica, California, in October, the average water temperature is 66.2°F (19°C). Swimming in 66.2°F (19°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

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

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

How long on average sun shines in October in Santa Monica?

In Santa Monica, the average sunshine in October is 8.3h.

How high is the UV index in October in Santa Monica?

The average daily maximum UV index in October is 5. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in October
Santa Monica, CA

Average temperature in October - Santa Monica, CA
  • Average high temperature in October: 76.1°F

The warmest month (with the highest average high temperature) is August (80.8°F).
The month with the lowest average high temperature is December (63.9°F).

  • Average low temperature in October: 61°F

The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (50.5°F).

[Resources]

Average pressure in October
Santa Monica, CA

Average pressure in October - Santa Monica, CA
  • Average pressure in October: 29.95"

The month with the highest atmospheric pressure is January (30.1").
Months with the lowest atmospheric pressure are June and September (29.9").

[Resources]

Average wind speed in October
Santa Monica, CA

Average wind speed in October - Santa Monica, CA
  • Average wind speed in October: 5mph

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are August and September (4.8mph).

[Resources]

Average humidity in October
Santa Monica, CA

Average humidity in October - Santa Monica, CA
  • Average humidity in October: 56%

The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (52%).

[Resources]

Average rainfall in October
Santa Monica, CA

Average rainfall in October - Santa Monica, CA
  • Average rainfall in October: 0.2"

The wettest month (with the highest rainfall) is January (1.54").
The driest months (with the least rainfall) are June and August (0.08").

[Resources]

Average rainfall days in October
Santa Monica, CA

Average rainfall days in October - Santa Monica, CA
  • Average rainfall days in October: 3.5 days

The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is August (1.8 days).

[Resources]

Average sea temperature in October
Santa Monica, CA

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

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

[Resources]

Average daylight in October /
Average sunshine in October
Santa Monica, CA

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 the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in October: 8.3h

Months with the most sunshine are July and August (Average sunshine: 11.9h).
Months with the least sunshine are February and December (Average sunshine: 6.6).

[Resources]

Average sunshine days in October
Santa Monica, CA

Average sunshine days in October - Santa Monica, CA
  • Average sunshine days in October: 26.2 days

The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is February (21.8 days).

[Resources]

Average UV index in October
Santa Monica, CA

Average UV index in October - Santa Monica, CA
  • Average UV index in October: 5

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 4).

[Resources]

Average cloud cover in October
Santa Monica, CA

Average cloud cover in October - Santa Monica, CA
  • Average cloud cover in October: 13

Months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 8).

[Resources]

Average visibility in October
Santa Monica, CA

Average visibility in October - Santa Monica, CA
  • Average visibility in October: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]