Vacaville (CA) monthly weather averages

Contents

Average daytime temperature

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

Vacaville average temperature chart (Celsius) Vacaville average temperature chart (Fahrenheit)
Average monthly temperatures in Vacaville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 11.9 15.9 18.2 21.9 26.5 30.9 33.9 33.2 30.5 25.5 17.4 12
°F 53.4 60.6 64.8 71.4 79.8 87.7 92.9 91.8 86.9 77.9 63.3 53.5

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.

Vacaville monthly rainfall chart (mm) Vacaville monthly rainfall chart (inches)
Average monthly rainfall in Vacaville (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 138 99 81 37 10 3 1 1 9 31 82 107
inches 5.4 3.9 3.2 1.4 0.4 0.1 0 0 0.3 1.2 3.2 4.2
Rainy days 10 9 10 6 3 1 1 1 2 4 8 9

Average annual rainfall in Vacaville: 515.2mm (202.8 inches)

Average daily sunshine

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

Vacaville average daily sunshine chart
Average daily sunshine Vacaville
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.7 7.8 9.5 11.5 13 13.5 13.6 12.6 11.5 9.7 6.8 5.4

Day / night temperatures

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

Vacaville average minimum / maximum temperatures (Celsius) Vacaville average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Vacaville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 2.3 4.3 5.3 6.6 9.3 12.2 13.5 13.1 11.7 8.9 5.3 2.6
Max °C 12.1 16.2 18.6 22.3 27 31.4 34.4 33.7 31 25.9 17.7 12.2
Min °F 36.1 39.7 41.5 43.8 48.7 54 56.2 55.6 53 48 41.5 36.7
Max °F 45 50.4 53.4 57.9 64.6 71.2 75 74.1 70.3 63.3 52.7 45.3

Sea temperature

The graph below shows the average sea temperature.

Vacaville average sea temperature chart (Celsius) Vacaville average sea temperature chart (Fahrenheit)
Average sea temperature around Vacaville in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 12.1 11.9 11.9 11.7 12 12.7 13.9 14.7 15 14.5 13.6 12.6
°F 53.7 53.5 53.4 53.1 53.6 54.9 57 58.5 58.9 58.1 56.4 54.6

Wind speed

The graph below shows the average wind speed.

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

Vacaville relative humidity averages
Average relative humidity in Vacaville
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
82% 77% 72% 66% 62% 59% 58% 61% 61% 66% 76% 82%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Vacaville weather stats

Vacaville weather statistics
Hottest month: July 33.9°C 93°F
Driest month: July 1mm 0ins
Sunniest month: July 13.6hrs
Coldest month: January 11.9°C 53.4°F
Wettest month: January 138mm 5.4ins
Warmest sea: September 15°C 59°F
Map showing location of Vacaville (38.35658, -121.98774) Vacaville map pin © Google

Locations nearby

Top United States locations