Santa Cruz Temperatures: Averages by Month
The numbers here tell you how hot and cold the weather usually is in Santa Cruz, California during each month of the year.
The average high and low temperatures are listed below for Santa Cruz, 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 70, 80 or 90 °F monthly and annually in Santa Cruz, 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.
| High °F | Low °F | High °C | Low °C | |
|---|---|---|---|---|
| 63 | 42 | January | 17 | 6 |
| 65 | 42 | February | 18 | 6 |
| 68 | 44 | March | 20 | 7 |
| 71 | 47 | April | 22 | 8 |
| 72 | 49 | May | 22 | 10 |
| 75 | 52 | June | 24 | 11 |
| 75 | 55 | July | 24 | 13 |
| 76 | 55 | August | 25 | 13 |
| 79 | 54 | September | 26 | 12 |
| 75 | 50 | October | 24 | 10 |
| 67 | 45 | November | 19 | 7 |
| 61 | 41 | December | 16 | 5 |
| 71 | 48 | Year | 21 | 9 |
| High °F | Low °F | High °C | Low °C | |
|---|---|---|---|---|
| 63 | 41 | January | 17 | 5 |
| 64 | 43 | February | 18 | 6 |
| 67 | 44 | March | 19 | 7 |
| 69 | 46 | April | 21 | 8 |
| 71 | 49 | May | 22 | 9 |
| 74 | 52 | June | 23 | 11 |
| 74 | 54 | July | 24 | 12 |
| 76 | 55 | August | 24 | 13 |
| 77 | 53 | September | 25 | 12 |
| 74 | 50 | October | 23 | 10 |
| 67 | 44 | November | 19 | 7 |
| 62 | 41 | December | 16 | 5 |
| 70 | 48 | Year | 21 | 9 |
Days of Hot Weather in Santa Cruz
While Santa Cruz can get a taste of hot weather during summer and early fall, really hot days are rare. The seaside city averages just six days a year when the temperature climbs into the 90s F (over 32 °C), typically during June to October. Every couple of years on average, one of those days reaches 100 °F (38 °C).
| 70 °F 21 °C |
80 °F 27 °C |
90 °F 32 °C |
|
|---|---|---|---|
| January | 4 | 0 | 0 |
| February | 5 | 0 | 0 |
| March | 7 | 1 | 0 |
| April | 12 | 2 | 0 |
| May | 16 | 3 | 0 |
| June | 20 | 4 | 1 |
| July | 22 | 4 | 0 |
| August | 25 | 6 | 1 |
| September | 22 | 8 | 2 |
| October | 19 | 6 | 1 |
| November | 7 | 1 | 0 |
| December | 2 | 0 | 0 |
| Year | 160 | 36 | 6 |
How Often Santa Cruz Has Cold Temperatures
Santa Cruz can count on at least moderate daytime temperatures throughout the year. All but one day annually, on average, reaches a high of at least 50 °F.
While nights during winter are often cool in Santa Cruz, they are seldom crisp. Lows below freezing typically happen six nights a year. Nights that cold can occur from November to February.
| 32 °F 0 °C |
40 °F 4 °C |
50 °F 10 °C | |
|---|---|---|---|
| January | 2 | 14 | 28 |
| February | 1 | 10 | 25 |
| March | 0 | 7 | 27 |
| April | 0 | 4 | 24 |
| May | 0 | 0 | 19 |
| June | 0 | 0 | 10 |
| July | 0 | 0 | 3 |
| August | 0 | 0 | 2 |
| September | 0 | 0 | 6 |
| October | 0 | 1 | 18 |
| November | 1 | 7 | 25 |
| December | 3 | 15 | 28 |
| Year | 6 | 58 | 214 |
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. 1981-2010 U.S. Climate Normals. (Data Access. FTP.)