Santa Monica Temperatures: Averages by Month
The numbers here tell you how hot and cold the weather usually is in Santa Monica, California during each month of the year.
The average high and low temperatures are listed below for Santa Monica, in both degrees Fahrenheit and Celsius.
Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.
To find out how often it rises over 60, 70 or 80 °F monthly and annually in Santa Monica, scroll down farther. There are also counts of days with cool weather.
The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1991 to 2020 weather recorded at the Santa Monica Pier.
| High °F | Low °F | High °C | Low °C | |
|---|---|---|---|---|
| 68 | 49 | January | 20 | 10 |
| 66 | 49 | February | 19 | 10 |
| 68 | 52 | March | 20 | 11 |
| 69 | 54 | April | 21 | 12 |
| 68 | 57 | May | 20 | 14 |
| 71 | 60 | June | 22 | 16 |
| 75 | 64 | July | 24 | 18 |
| 77 | 64 | August | 25 | 18 |
| 78 | 64 | September | 25 | 18 |
| 76 | 60 | October | 25 | 15 |
| 72 | 53 | November | 22 | 12 |
| 66 | 49 | December | 19 | 9 |
| 71 | 56 | Year | 22 | 14 |
| High °F | Low °F | High °C | Low °C | |
|---|---|---|---|---|
| 62 | 50 | January | 17 | 10 |
| 62 | 50 | February | 17 | 10 |
| 62 | 52 | March | 17 | 11 |
| 63 | 53 | April | 17 | 12 |
| 63 | 56 | May | 17 | 13 |
| 66 | 59 | June | 19 | 15 |
| 69 | 62 | July | 21 | 16 |
| 70 | 62 | August | 21 | 17 |
| 70 | 61 | September | 21 | 16 |
| 68 | 59 | October | 20 | 15 |
| 67 | 54 | November | 19 | 12 |
| 63 | 50 | December | 17 | 10 |
| 66 | 56 | Year | 19 | 13 |
Days of Hot Weather in Santa Monica
A hot spell in Santa Monica means highs reaching the 80s F, which can occur any month of the year. The ocean city averages just one day a year when the temperature climbs to 90 °F (32 °C) or above. The hottest days of the year usually arrive in October.
| 60 °F 16 °C |
70 °F 21 °C |
80 °F 27 °C | |
|---|---|---|---|
| January | 21 | 5 | 1 |
| February | 19 | 4 | 1 |
| March | 22 | 3 | 0 |
| April | 22 | 3 | 1 |
| May | 28 | 2 | 0 |
| June | 30 | 3 | 0 |
| July | 31 | 11 | 0 |
| August | 31 | 14 | 1 |
| September | 30 | 12 | 1 |
| October | 31 | 9 | 2 |
| November | 28 | 7 | 1 |
| December | 24 | 4 | 0 |
| Year | 316 | 75 | 8 |
How Often Santa Monica Has Cold Temperatures
It never gets really cold in Santa Monica. Temperatures below freezing are not expected here. Indeed, most years never even drop down to 40 °F (4.4 °C).
| 50 °F 4 °C |
60 °F 10 °C | |
|---|---|---|
| January | 14 | 30 |
| February | 10 | 28 |
| March | 8 | 31 |
| April | 3 | 29 |
| May | 0 | 27 |
| June | 0 | 19 |
| July | 0 | 7 |
| August | 0 | 5 |
| September | 0 | 7 |
| October | 0 | 20 |
| November | 3 | 28 |
| December | 14 | 31 |
| Year | 52 | 261 |
References
Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.
NOAA National Centers for Environmental Information (NCEI). Climate Normals.