Current weather conditions temporarily unavailable!

Key findings

  • The highest monthly average temperature in Herald for July is 74 degrees
  • The lowest monthly average temperature in Herald for January is 47 degrees
  • The most monthly precipitation in Herald occurs in December with 3.8 inches
  • The air quality index in Herald is 10% better than the national average
  • The pollution index in Herald is 205% worse than the national average

Compare Herald, CA Weather

      vs
      How would you rate the weather in Herald?
      Write a review to give others more information about this area.
      How would you rate the air quality in Herald?
      Write a review to give others more information about this area.
      See all Herald poll results

      Herald 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
      January38°F58°F47°F3.3"
      February41°F63°F51°F3.1"
      March44°F68°F55°F2.9"
      April47°F74°F59°F1.8"
      May52°F82°F65°F0.5"
      June57°F90°F71°F0.3"
      July59°F95°F74°F0.0"
      August58°F93°F73°F0.0"
      September56°F90°F70°F0.1"
      October50°F79°F63°F1.2"
      November43°F66°F53°F1.6"
      December38°F57°F47°F3.8"

      Herald 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.
      IndexHeraldCaliforniaNational
      Air quality index455550
      Pollution index15,476,50018,106,7265,066,862

      Herald air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality229
      Days with moderate air quality123
      Days w/ poor A.Q. for sensitive groups12
      Days with unhealthy air quality1

      Herald air quality information

      PollutantTotal
      Arsenic0.090%
      Benzene0.130%
      Carbon Tetrachloride0.010%
      Lead0.130%
      Mercury0.070%

      Average monthly Herald temperature with heat index

      Herald monthly precipitation with daily maximum

      Herald monthly snow depth with daily maximum

      Herald monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Camanche Village, CA8144510%
      Lockeford, CA3,2814510%
      Terminous, CA3784510%
      Wallace, CA8264510%
      Lodi, CA63,8424510%
      Herald, CA1,0594510%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Highland, AR1,0593628%
      Fremont, NC1,0604020%
      Philadelphia, NY1,0603530%
      Waynetown, IN1,0584216%
      Garrett Park, MD1,058476%
      Herald, CA1,0594510%
      Source: The Herald, 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.