TODAY JUN02
TEMPERATURE68
HUMIDITY57
PRESSURE29.97
WIND COND.290 9.2
  • 8862Tue
  • 8959Wed
  • 8156Thu
  • 7256Fri
  • 7154Sat
daynightWeather update from Hayward, Hayward Air Terminal at
How would you rate the weather in San Lorenzo?
Write a review to give others more information about this area.
How would you rate the air quality in San Lorenzo?
Write a review to give others more information about this area.
See all San Lorenzo poll results

San Lorenzo 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
January42°F58°F50°F3.5"
February46°F61°F53°F3.3"
March46°F64°F54°F2.6"
April48°F66°F56°F1.8"
May52°F69°F59°F0.6"
June56°F73°F62°F0.1"
July57°F75°F64°F0.0"
August58°F76°F64°F0.0"
September57°F76°F64°F0.2"
October53°F72°F61°F1.4"
November48°F66°F56°F1.3"
December42°F58°F49°F3.2"

Did you know?

  • The highest monthly average temperature in San Lorenzo for August is 64 degrees.
  • The lowest monthly average temperature in San Lorenzo for December is 49 degrees.
  • The most monthly precipitation in San Lorenzo occurs in January with 3.5 inches.
  • The air quality index in San Lorenzo is 14% better than the national average.
  • The pollution index in San Lorenzo is 27% worse than the national average.

Compare San Lorenzo, CA Weather To Other Cities

      vs

      San Lorenzo 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.
      IndexSan LorenzoCaliforniaNational
      Air quality index435550
      Pollution index6,427,29018,106,7265,066,862

      San Lorenzo air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality241
      Days with moderate air quality115
      Days w/ poor A.Q. for sensitive groups9
      Days with unhealthy air quality

      San Lorenzo air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.110%
      Carbon Tetrachloride0.010%
      Lead0.010%
      Mercury0.003%

      Average monthly San Lorenzo temperature with heat index

      San Lorenzo monthly precipitation with daily maximum

      San Lorenzo monthly snow depth with daily maximum

      San Lorenzo monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Saranap, CA6,2114314%
      Ashland, CA24,2884314%
      Blackhawk, CA9,4684314%
      Castle Hill, CA1,2024314%
      Diablo, CA8074314%
      San Lorenzo, CA24,7904314%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Freeport, IL24,7843138%
      Chanhassen, MN24,7964412%
      Temescal Valley, CA24,7978570%
      Caledonia, WI24,7673530%
      Woodburn, OR24,7653138%
      San Lorenzo, CA24,7904314%
      Source: The San Lorenzo, 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.