Cayucos (CA) monthly weather averages

Average daytime temperature

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

Cayucos average temperature chart (Celsius) Cayucos average temperature chart (Fahrenheit)
Average monthly temperatures in Cayucos (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 16.2 17.3 17.6 19.3 20.9 23.5 25.5 26 25.6 23.6 19.5 16.5
°F 61.2 63.2 63.6 66.7 69.7 74.3 77.8 78.7 78 74.5 67.2 61.6

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.

Cayucos monthly rainfall chart (mm) Cayucos monthly rainfall chart (inches)
Average monthly rainfall in Cayucos (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 114 103 88 40 8 1 1 2 9 24 66 88
inches 4.5 4.1 3.5 1.6 0.3 0 0 0.1 0.3 0.9 2.6 3.5
Rainy days 8 8 8 5 2 1 0 1 2 3 6 7

Average annual rainfall in Cayucos: 457mm (179.9 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Cayucos

Cayucos average daily sunshine chart
Average daily sunshine Cayucos
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.3 7.9 9.4 11.1 11.4 11.5 11.4 10.5 10.1 8.9 6.5 5.5

Day / night temperatures

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

Cayucos average minimum / maximum temperatures (Celsius) Cayucos average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Cayucos (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 4.5 5.6 6 6.8 8.6 10.8 12 12.3 11.7 9.7 6.8 4.5
Max °C 16.5 17.6 17.9 19.6 21.3 23.8 25.8 26.3 25.9 24 19.9 16.8
Min °F 40.1 42.1 42.7 44.2 47.4 51.4 53.6 54.1 53.1 49.4 44.2 40
Max °F 50.9 52.9 53.4 55.8 58.8 63.1 66 66.7 65.8 62.2 55.9 51.1

Sea temperature

The graph below shows the average sea temperature.

Cayucos average sea temperature chart (Celsius) Cayucos average sea temperature chart (Fahrenheit)
Average sea temperature around Cayucos in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 13.6 13.4 13.3 13.2 13.6 14.5 16 16.8 17 16.6 15.5 14.2
°F 56.4 56.1 56 55.8 56.5 58.2 60.8 62.2 62.6 61.8 59.9 57.5

Wind speed

The graph below shows the average wind speed.

Cayucos average winspeed by month (km/h) Cayucos average winspeed by month (mph)
Average wind speed in Cayucos (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 10 12 14 15 16 15 13 13 12 11 11 10
mph 6 7 9 9 10 9 8 8 7 7 7 6

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.

Cayucos relative humidity averages
Average relative humidity in Cayucos
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
71% 75% 75% 73% 73% 72% 73% 74% 75% 72% 73% 76%