October weather forecastSanta Monica, CA
October
Weather in October
October, like September, in Santa Monica, California, is a moderately hot autumn month, with an average temperature fluctuating between 61°F (16.1°C) and 76.1°F (24.5°C).Temperature
Santa Monica, California, starts October with an average high-temperature of a still warm 76.1°F (24.5°C), hinting at a minimal fluctuation from September. Santa Monica's average low-temperature for the month of October records at an enjoyable 61°F (16.1°C).Humidity
In October, the average relative humidity is 56%.Rainfall
In Santa Monica, in October, during 3.5 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. Throughout the year, there are 48.8 rainfall days, and 7.52" (191mm) of precipitation is accumulated.Ocean temperature
The months with the warmest seawater in Santa Monica are August through October, with an average ocean temperature of 66.2°F (19°C).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
The average length of the day in October is 11h and 19min.On the first day of the month, sunrise is at 6:49 am and sunset at 6:37 pm. On the last day of October, sunrise is at 7:13 am and sunset at 6:01 pm PDT.
Sunshine
The average sunshine in October is 8.3h.UV index
In October, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 5 during October translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure in October
Santa Monica, CA
- Average pressure in October: 29.95"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).
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).
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%).
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").
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).
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).
Average daylight in October /
Average sunshine in October
Santa Monica, CA
- Average daylight in October: 11h and 18min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in October: 8h and 18min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The months with the least sunshine are February and December (Average sunshine: 6h and 36min).
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).
Average UV index in October
Santa Monica, CA
- Average UV index in October: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in October
Santa Monica, CA
- Average cloud cover in October: 13
The 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).
Average visibility in October
Santa Monica, CA
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
