Chula Vista (CA) monthly weather averages

Average daytime temperature

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

Chula Vista average temperature chart (Celsius) Chula Vista average temperature chart (Fahrenheit)
Average monthly temperatures in Chula Vista (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 19.1 19.4 19.2 20.5 21.2 22.8 25.3 26.1 25.9 24.4 21.9 19.6
°F 66.4 66.9 66.6 68.9 70.2 73 77.5 79.1 78.6 75.9 71.4 67.2

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.

Chula Vista monthly rainfall chart (mm) Chula Vista monthly rainfall chart (inches)
Average monthly rainfall in Chula Vista (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 43 36 42 19 4 2 1 1 4 8 34 35
inches 1.7 1.4 1.7 0.7 0.2 0.1 0 0.1 0.2 0.3 1.4 1.4
Rainy days 6 5 5 3 2 1 0 0 1 1 4 5

Average annual rainfall in Chula Vista: 145.7mm (57.4 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Chula Vista

Chula Vista average daily sunshine chart
Average daily sunshine Chula Vista
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 8.5 8.8 9.2 10.1 9 9.1 10.7 10.4 9.2 8.7 8.4 8.2

Day / night temperatures

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

Chula Vista average minimum / maximum temperatures (Celsius) Chula Vista average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Chula Vista (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 7 8 9 10.7 12.8 14.4 16.7 17.7 16.5 13.6 10 7.4
Max °C 19.4 19.7 19.5 20.8 21.5 23 25.5 26.4 26.1 24.7 22.2 19.9
Min °F 44.6 46.3 48.1 51.2 55 57.9 62.1 63.8 61.7 56.4 50 45.2
Max °F 55.8 56.8 57.6 60.3 62.8 65.7 70 71.6 70.3 66.4 61 56.5

Sea temperature

The graph below shows the average sea temperature.

Chula Vista average sea temperature chart (Celsius) Chula Vista average sea temperature chart (Fahrenheit)
Average sea temperature around Chula Vista in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 15.2 15.1 15.4 15.8 16.8 18 19.7 20.5 20.5 19.4 17.7 15.9
°F 59.3 59.2 59.6 60.5 62.2 64.4 67.4 68.9 68.9 67 63.9 60.7

Wind speed

The graph below shows the average wind speed.

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

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.

Chula Vista relative humidity averages
Average relative humidity in Chula Vista
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
66% 67% 69% 68% 71% 74% 75% 75% 74% 71% 67% 66%