Rohnert Park (CA) monthly weather averages

Average daytime temperature

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

Rohnert Park average temperature chart (Celsius) Rohnert Park average temperature chart (Fahrenheit)
Average monthly temperatures in Rohnert Park (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 13.4 16.3 16.9 19.3 22.2 25.1 27.2 27.1 26.6 23.4 17.1 13.4
°F 56.1 61.3 62.4 66.8 72 77.1 81 80.7 79.9 74.1 62.8 56.1

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.

Rohnert Park monthly rainfall chart (mm) Rohnert Park monthly rainfall chart (inches)
Average monthly rainfall in Rohnert Park (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 182 135 114 49 13 7 2 3 12 52 123 147
inches 7.2 5.3 4.5 1.9 0.5 0.3 0.1 0.1 0.5 2.1 4.8 5.8
Rainy days 11 10 11 7 3 2 1 1 2 5 10 11

Average annual rainfall in Rohnert Park: 753.767mm (296.8 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Rohnert Park

Rohnert Park average daily sunshine chart
Average daily sunshine Rohnert Park
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.2 7.7 9.1 11 11.7 11.9 11.8 10.7 10.2 8.8 6.4 5.6

Day / night temperatures

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

Rohnert Park average minimum / maximum temperatures (Celsius) Rohnert Park average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Rohnert Park (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3.2 4.9 5.5 6.4 8.3 10 10.6 10.8 10.4 8.3 5.4 3.4
Max °C 13.7 16.6 17.2 19.7 22.6 25.5 27.7 27.5 27 23.8 17.4 13.7
Min °F 37.7 40.7 41.8 43.4 46.9 49.9 51 51.4 50.7 46.9 41.7 38
Max °F 47.1 51.3 52.3 55.4 59.7 63.9 66.4 66.4 65.7 60.8 52.5 47.3

Sea temperature

The graph below shows the average sea temperature.

Rohnert Park average sea temperature chart (Celsius) Rohnert Park average sea temperature chart (Fahrenheit)
Average sea temperature around Rohnert Park in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 12.1 12 11.9 11.7 11.8 12.2 13.1 14 14.4 14 13.4 12.6
°F 53.8 53.6 53.5 53.1 53.2 54 55.5 57.2 57.9 57.3 56.1 54.6

Wind speed

The graph below shows the average wind speed.

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

Rohnert Park relative humidity averages
Average relative humidity in Rohnert Park
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
81% 77% 74% 70% 69% 67% 67% 69% 68% 71% 77% 81%

Other monthly averages

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Rohnert Park weather stats

Rohnert Park weather statistics
Hottest month: July 27.2°C 81°F
Driest month: July 2mm 0.1ins
Sunniest month: April 11hrs
Coldest month: January 13.4°C 56.1°F
Wettest month: January 182mm 7.2ins
Warmest sea: September 14.4°C 57.9°F
Map showing location of Rohnert Park (38.33964, -122.7011) Rohnert Park map pin © Google

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