Vallejo (CA) monthly weather averages

Contents

Average daytime temperature

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

Vallejo average temperature chart (Celsius) Vallejo average temperature chart (Fahrenheit)
Average monthly temperatures in Vallejo (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 13 15.8 17 19 21.4 23.9 25.3 25.2 25 22.6 17.2 13.1
°F 55.5 60.4 62.6 66.2 70.4 75.1 77.6 77.4 77 72.8 63 55.6

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.

Vallejo monthly rainfall chart (mm) Vallejo monthly rainfall chart (inches)
Average monthly rainfall in Vallejo (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 148 107 92 46 11 4 1 3 9 39 97 117
inches 5.8 4.2 3.6 1.8 0.4 0.2 0.1 0.1 0.3 1.5 3.8 4.6
Rainy days 10 9 10 6 3 1 1 1 2 4 9 10

Average annual rainfall in Vallejo: 590.933mm (232.7 inches)

Average daily sunshine

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

Vallejo average daily sunshine chart
Average daily sunshine Vallejo
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.1 7.9 9.4 11.2 12.1 12.4 12.3 11.3 10.6 9.2 6.6 5.5

Day / night temperatures

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

Vallejo average minimum / maximum temperatures (Celsius) Vallejo average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Vallejo (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 4.4 6.2 6.8 7.5 9.4 11.4 12.2 12.5 12.1 10.3 7.4 4.7
Max °C 13.3 16 17.3 19.3 21.7 24.3 25.7 25.6 25.3 23 17.5 13.3
Min °F 39.8 43.2 44.2 45.5 48.8 52.4 53.9 54.4 53.8 50.5 45.2 40.5
Max °F 47.8 52 53.6 56.1 59.9 64 66 66.2 65.7 61.9 54.3 48.2

Sea temperature

The graph below shows the average sea temperature.

Vallejo average sea temperature chart (Celsius) Vallejo average sea temperature chart (Fahrenheit)
Average sea temperature around Vallejo 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.

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

Vallejo relative humidity averages
Average relative humidity in Vallejo
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
80% 77% 73% 69% 66% 65% 65% 67% 66% 69% 76% 81%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Vallejo weather stats

Vallejo weather statistics
Hottest month: August 25.2°C 77.4°F
Driest month: July 1mm 0ins
Sunniest month: May 12.1hrs
Coldest month: January 13°C 55.4°F
Wettest month: January 148mm 5.8ins
Warmest sea: September 14.4°C 57.9°F
Map showing location of Vallejo (38.10409, -122.25664) Vallejo map pin © Google

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