Martinez (CA) monthly weather averages

  • Average daytime temperature

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

    Martinez average temperature chart
    Average monthly temperatures in Martinez (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 12.7 15.8 17.5 20.1 23.1 26.2 28 27.8 26.8 23.7 17.4 12.9
    °F 54.9 60.4 63.5 68.2 73.6 79.1 82.4 82 80.3 74.6 63.3 55.3

    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.

    Average monthly rainfall in Martinez (mm and inches)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    mm 117 83 71 37 9 3 1 2 7 31 76 90
    inches 4.6 3.3 2.8 1.5 0.4 0.1 0 0.1 0.3 1.2 3 3.5
    Rainy days 10 9 10 6 2 1 1 1 2 4 8 9
  • Average daily sunshine

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

    Average daily sunshine Martinez
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Hrs sunshine 6 7.9 9.4 11.3 12.4 12.8 12.7 11.7 10.9 9.4 6.7 5.5
  • Day / night temperatures

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

    Maximum and minimum daily temperatures in Martinez (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Min °C 3.9 5.8 6.7 7.6 9.8 11.9 12.9 13.1 12.4 10.2 7 4.3
    Max °C 13 16.1 17.8 20.4 23.5 26.5 28.4 28.2 27.2 24 17.7 13.2
    Min °F 38.9 42.4 44 45.7 49.6 53.4 55.1 55.5 54.3 50.4 44.5 39.7
    Max °F 47.1 51.6 54 57.2 61.9 66.6 69.1 69.1 67.6 62.8 54.1 47.7
  • Sea temperature

    The graph below shows the average sea temperature.

    Average sea temperature around Martinez 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.

    Average wind speed in Martinez (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.

    Average relative humidity in Martinez
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    81% 77% 72% 68% 65% 63% 63% 65% 64% 68% 76% 81%

Other monthly averages

UV index

Martinez weather stats

Martinez weather statistics
Hottest month: July 28°C 82.4°F
Driest month: July 1mm 0ins
Sunniest month: July 12.7hrs
Coldest month: January 12.7°C 54.9°F
Wettest month: January 117mm 4.6ins
Warmest sea: September 14.4°C 57.9°F
Map showing location of Martinez (38.01937, -122.13413)

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