Santa Cruz (CA) monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Santa Cruz

Santa Cruz average temperature chart (Celsius) Santa Cruz average temperature chart (Fahrenheit)
Average monthly temperatures in Santa Cruz (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 15.1 16.4 17 18.6 20.4 22.2 23.2 23.6 23.8 22.1 17.8 14.8
°F 59.1 61.5 62.6 65.5 68.7 72 73.8 74.5 74.9 71.7 64.1 58.6

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Santa Cruz monthly rainfall chart (mm) Santa Cruz monthly rainfall chart (inches)
Average monthly rainfall in Santa Cruz (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 156 128 119 57 12 4 3 3 10 36 109 125
inches 6.1 5 4.7 2.2 0.5 0.2 0.1 0.1 0.4 1.4 4.3 4.9
Rainy days 9 9 10 6 2 1 1 1 2 4 8 9

Average annual rainfall in Santa Cruz: 675.534mm (266 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Santa Cruz

Santa Cruz average daily sunshine chart
Average daily sunshine Santa Cruz
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.3 7.9 9.4 11.1 11.6 11.6 11.4 10.6 10.1 8.9 6.5 5.5

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Santa Cruz average minimum / maximum temperatures (Celsius) Santa Cruz average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Santa Cruz (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 4.1 5.4 5.8 6.3 7.9 9.7 10.7 11.1 10.5 8.6 5.9 4
Max °C 15.4 16.7 17.3 18.9 20.7 22.6 23.5 23.9 24.2 22.4 18.1 15.1
Min °F 39.3 41.6 42.4 43.3 46.2 49.4 51.3 52 50.8 47.5 42.6 39.1
Max °F 49.5 51.8 52.7 54.7 57.7 61 62.8 63.5 63.1 59.9 53.6 49.1

Sea temperature

The graph below shows the average sea temperature.

Santa Cruz average sea temperature chart (Celsius) Santa Cruz average sea temperature chart (Fahrenheit)
Average sea temperature around Santa Cruz in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 12.6 12.5 12.4 12.2 12.3 12.8 13.8 14.7 15.1 14.8 14 13.1
°F 54.7 54.5 54.4 54 54.2 55.1 56.9 58.5 59.2 58.7 57.3 55.6

Wind speed

The graph below shows the average wind speed.

Santa Cruz average winspeed by month (km/h) Santa Cruz average winspeed by month (mph)
Average wind speed in Santa Cruz (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 12 14 16 18 19 19 18 17 15 13 12 12
mph 7 9 10 11 12 12 11 11 9 8 8 8

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Santa Cruz relative humidity averages
Average relative humidity in Santa Cruz
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
78% 77% 74% 71% 69% 69% 70% 71% 70% 71% 76% 79%