Santa Monica weather in October: Santa Monica, California: normal highs, lows, rain and records for October
Santa Monica in October has a normal high of 74°F and a normal low of 58°F, a daily mean of 66°F, falling from 75°F on the 1st to 73°F by the 31st. Measurable precipitation falls on 4 days in a normal October, 0.55 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 23°C and low of 15°C, 14 mm of precipitation in October.
- NOAA stationSanta Monica Municipal Airport
- Station IDUSW00093197
- Location34.02°N 118.45°W
- Elevation174 ft (53 m)
- From the center3 miles
- Population90,729
- Jan 66° 49°
- Feb 66° 49°
- Mar 66° 51°
- Apr 68° 53°
- May 69° 57°
- Jun 71° 60°
- Jul 75° 63°
- Aug 77° 63°
- Sep 76° 62°
- Oct 74° 58°
- Nov 70° 52°
- Dec 66° 48°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Santa Monica in October?
The normal high is 74°F and the normal low 58°F, for a daily mean of 66.1°F. October is 3.1°F cooler than September and 5.1°F warmer than November. October is the 4th warmest month of the year in Santa Monica and the 7th wettest. Across the month the normal high falls 2°F, from 75°F on October 1 to 73°F on October 31. From one year to the next October's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 64°F and 69°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 13%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 75°F | 61°F | 7% | 2% |
| October 8 | 75°F | 60°F | 9% | 3% |
| October 15 | 74°F | 58°F | 11% | 4% |
| October 22 | 74°F | 57°F | 12% | 4% |
| October 31 | 73°F | 55°F | 13% | 5% |
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| October 1 | 75°F | 61°F | 7% | 2% | 11 h 50 min |
| October 2 | 75°F | 61°F | 7% | 2% | 11 h 50 min |
| October 3 | 75°F | 60°F | 8% | 2% | 11 h 50 min |
| October 4 | 75°F | 60°F | 8% | 3% | 11 h 50 min |
| October 5 | 75°F | 60°F | 8% | 3% | 11 h 40 min |
| October 6 | 75°F | 60°F | 9% | 3% | 11 h 40 min |
| October 7 | 75°F | 60°F | 9% | 3% | 11 h 40 min |
| October 8 | 75°F | 60°F | 9% | 3% | 11 h 40 min |
| October 9 | 75°F | 59°F | 9% | 3% | 11 h 40 min |
| October 10 | 74°F | 59°F | 10% | 3% | 11 h 30 min |
| October 11 | 74°F | 59°F | 10% | 3% | 11 h 30 min |
| October 12 | 74°F | 59°F | 10% | 3% | 11 h 30 min |
| October 13 | 74°F | 59°F | 11% | 4% | 11 h 30 min |
| October 14 | 74°F | 59°F | 11% | 4% | 11 h 30 min |
| October 15 | 74°F | 58°F | 11% | 4% | 11 h 20 min |
| October 16 | 74°F | 58°F | 11% | 4% | 11 h 20 min |
| October 17 | 74°F | 58°F | 11% | 4% | 11 h 20 min |
| October 18 | 74°F | 58°F | 12% | 4% | 11 h 20 min |
| October 19 | 74°F | 58°F | 12% | 4% | 11 h 20 min |
| October 20 | 74°F | 57°F | 12% | 4% | 11 h 10 min |
| October 21 | 74°F | 57°F | 12% | 4% | 11 h 10 min |
| October 22 | 74°F | 57°F | 12% | 4% | 11 h 10 min |
| October 23 | 74°F | 57°F | 12% | 4% | 11 h 10 min |
| October 24 | 74°F | 57°F | 12% | 4% | 11 h 10 min |
| October 25 | 73°F | 57°F | 12% | 4% | 11 h |
| October 26 | 73°F | 56°F | 12% | 4% | 11 h |
| October 27 | 73°F | 56°F | 12% | 4% | 11 h |
| October 28 | 73°F | 56°F | 12% | 5% | 11 h |
| October 29 | 73°F | 56°F | 12% | 5% | 11 h |
| October 30 | 73°F | 56°F | 13% | 5% | 10 h 50 min |
| October 31 | 73°F | 55°F | 13% | 5% | 10 h 50 min |
- Normal high
- 74°FOctober average
- Normal low
- 58°FOctober average
- Precipitation
- 0.55 inmonth total
- Days with precipitation
- 40.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 11 h 50 min to 10 h 50 minOctober 1 to October 31
- Days at 70°F or more
- 21
- Days at 80°F or more
- 7
- Sunshine
- 91%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093197; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Santa Monica in October?
On a given October day the chance of 0.01 inch or more is 11% on average, highest around October 30 (13%). In all, 0.55 in falls on 4 days of a normal October.
In a normal October in Santa Monica, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093197.
What are the records for October in Santa Monica?
The warmest October temperature on this station's record (since 1998) is 101°F, on October 24, 2017; the coldest is 47°F, on October 31, 2019. The wettest October brought 4.11 in (2004).
The October mean against the 1991-2020 normal of 66.1°F: 2021 64.1°F (−2.0), 2022 67.2°F (+1.1), 2023 66.1°F (at normal), 2024 65.7°F (−0.4), 2025 65.5°F (−0.5). 1 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 64.1°F | −2.0°F | 0.66 in |
| 2022 | 67.2°F | +1.1°F | 0.01 in |
| 2023 | 66.1°F | at normal | 0.00 in |
| 2024 | 65.7°F | −0.4°F | 0.00 in |
| 2025 | 65.5°F | −0.5°F | 1.42 in |
Source: records: ACIS, station USW00093197; recent months: ACIS, station USW00093197. Records and recent months use complete months only.
How does October in Santa Monica compare across California?
Across the 219 places PlainClimate covers in California, October normal highs run from 58°F in Tahoma to 93°F in Brawley; Santa Monica's is 74°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Santa Monica in September76°F by day, 62°F at night
- Santa Monica in November70°F by day, 52°F at night
- Santa Monica through the yearEvery month, frost dates, records and recent years
- California in OctoberThe statewide normal and the warmest and coolest places
- Brawley: California's warmest Octobernormal high 93°F