Santa Monica weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Excellent
Best time to visit: June – October
What is the weather like in Santa Monica in October?
In October, Santa Monica is warm: daytime highs average 25 °C, and nights cool down to about 14 °C. The sea averages 19.0 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. It hardly ever rains. All in all, October is an excellent month for a holiday in Santa Monica.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 86 | 80 | 51 |
| Day | 28° | 25° | 22° |
| Night | 17° | 14° | 10° |
| Sea | 20° | 19° | 17° |
| Sun | 10 h | 8 h | 7 h |
| Rain days | 1 | 2 | 3 |
More details for October
- Daylight
- 11 h 23 min06:58 – 18:21
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 31 %on averageAll months
- Hot days
- 4 days30 °C or moreAll months
- Time zone
- UTC−7America/Los_Angeles
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %29 %
- Sunshineweight 20 %88 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- A jumper for the evenings
Santa Monica in October: quick answers
Is Santa Monica hot in October?
Warm rather than hot: in October, daytime highs in Santa Monica average 25 °C and nights cool to about 14 °C. On about 4 days the thermometer climbs to 30 °C or more.
Can you swim in Santa Monica in October?
Only if you don't mind cold water: in October the sea averages just 19.0 °C. Comfortable swimming is possible from August to September.
Does it rain much in Santa Monica in October?
It hardly ever rains.
Santa Monica month by month
The whole year in Santa MonicaAll destinations: USAWhere to go in OctoberSea temperature in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences