TODAY APR14
TEMPERATURE50
HUMIDITY
PRESSURE29.75
WIND COND.238
  • 6341Wed
  • 5942Thu
  • 6343Fri
  • 6746Sat
  • 7446Sun
daynightWeather update from KF6YUA Sebastopol at

Key findings

  • The highest monthly average temperature in Tomales for July is 64.9 degrees
  • The lowest monthly average temperature in Tomales for December is 46.1 degrees
  • The most monthly precipitation in Tomales occurs in December with 6.9 inches
  • The air quality index in Tomales is 32% better than the national average
  • The pollution index in Tomales is 56% worse than the national average

Compare Tomales, CA Weather

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      Tomales Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January36°F60°F46°F6.0"
      February39°F64°F50°F5.7"
      March41°F67°F52°F4.6"
      April43°F71°F55°F2.4"
      May46°F77°F60°F1.1"
      June50°F83°F64°F0.4"
      July52°F85°F65°F0.0"
      August52°F84°F64°F0.0"
      September49°F85°F64°F0.2"
      October46°F78°F59°F2.0"
      November41°F67°F52°F3.2"
      December36°F59°F46°F6.9"

      Tomales air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexTomalesCaliforniaNational
      Air quality index345550
      Pollution index7,898,29018,106,7265,066,862

      Tomales air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality346
      Days with moderate air quality18
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality1

      Tomales air quality information

      PollutantTotal
      Arsenic0.260%
      Benzene0.080%
      Carbon Tetrachloride0.005%
      Lead0.240%
      Mercury0.270%

      Average monthly Tomales temperature with heat index

      Tomales monthly precipitation with daily maximum

      Tomales monthly snow depth with daily maximum

      Tomales monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Roseland, CA5,8593432%
      Bodega Bay, CA6083432%
      Salmon Creek, CA453432%
      Cotati, CA7,4153432%
      Santa Rosa, CA173,1653432%
      Tomales, CA2453432%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Browndell, TX2454510%
      Ronald, WA2452354%
      Tedrow, OH2453922%
      Kipton, OH24550= 100
      Olde West Chester, OH245548%
      Tomales, CA2453432%
      Source: The Tomales, CA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.