TODAY NOV25
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.144 17.7
  • 5550Mon90%70%
  • 5844Tue50%30%
  • 6043Wed
  • 5846
  • 6046Fri
daynightWeather update from MIDDLE PEAK at
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Weather Quick Facts

  • The highest monthly average temperature in Ross for July is 64.6 degrees
  • The lowest monthly average temperature in Ross for December is 46.6 degrees
  • The most monthly precipitation in Ross occurs in January with 3.8 inches
  • The air quality index in Ross is 5% better than the national average
  • The pollution index in Ross is 202% worse than the national average

Compare Ross, CA Weather

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      Ross 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°F58°F47°F3.8"
      February39°F62°F50°F3.4"
      March41°F66°F52°F3.0"
      April42°F69°F55°F1.6"
      May46°F74°F59°F0.5"
      June50°F80°F64°F0.3"
      July53°F81°F65°F0.0"
      August53°F80°F64°F0.0"
      September49°F82°F64°F0.1"
      October45°F76°F59°F1.3"
      November40°F66°F52°F1.8"
      December36°F58°F47°F3.8"

      Ross 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.
      IndexRossCaliforniaNational
      Air quality index405542
      Pollution index8,232,36010,473,1902,726,193

      Ross air quality

      MeasurementTotal
      Days measured365
      Days with good air quality290
      Days with moderate air quality74
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.060%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.010%

      Average monthly Ross temperature with heat index

      Ross monthly precipitation with daily maximum

      Ross monthly snow depth with daily maximum

      Ross monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Point Reyes Station, CA2103432.0%
      San Francisco, CA874,7844020.0%
      Corte Madera, CA9,7934020.0%
      Mill Valley, CA14,4564020.0%
      Strawberry, CA5,3254020.0%
      Ross, CA2,4534020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Sells, AZ2,453476.0%
      Amboy, IL2,4530100.0%
      Cricket, NC2,4532648.0%
      Lakeview, CA2,4528978.0%
      Hayden, CO2,452476.0%
      Ross, CA2,4534020.0%
      Source: The Ross, 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.