TODAY MAY12
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 8356Thu
  • 7755Fri
  • 7453Sat
  • 7354Sun
  • 7656Mon
daynightWeather update from SANTA FE DAM at

Key findings

  • The highest monthly average temperature in Sierra Madre for August is 72.5 degrees
  • The lowest monthly average temperature in Sierra Madre for December is 57 degrees
  • The most monthly precipitation in Sierra Madre occurs in January with 3.5 inches
  • The air quality index in Sierra Madre is 45% worse than the national average
  • The pollution index in Sierra Madre is 2653% worse than the national average

Compare Sierra Madre, CA Weather

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      Sierra Madre 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
      January48°F70°F58°F3.5"
      February50°F70°F59°F2.9"
      March52°F72°F61°F1.5"
      April55°F74°F63°F0.7"
      May58°F75°F65°F0.5"
      June61°F78°F68°F0.0"
      July65°F83°F72°F0.0"
      August65°F84°F73°F0.0"
      September64°F85°F72°F0.3"
      October60°F81°F69°F0.7"
      November54°F75°F63°F0.8"
      December48°F69°F57°F2.8"

      Sierra Madre 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.
      IndexSierra MadreCaliforniaNational
      Air quality index725550
      Pollution index139,490,00018,106,7265,066,862

      Sierra Madre air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality66
      Days with moderate air quality208
      Days w/ poor A.Q. for sensitive groups62
      Days with unhealthy air quality28

      Sierra Madre air quality information

      PollutantTotal
      Arsenic0.200%
      Benzene0.950%
      Carbon Tetrachloride0.080%
      Lead1.320%
      Mercury0.440%

      Average monthly Sierra Madre temperature with heat index

      Sierra Madre monthly precipitation with daily maximum

      Sierra Madre monthly snow depth with daily maximum

      Sierra Madre monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Baldwin Park, CA76,5117244%
      La Puente, CA40,3847244%
      Vincent, CA16,4167244%
      La Crescenta-Montrose, CA19,8247244%
      La Habra Heights, CA5,4067244%
      Sierra Madre, CA11,0677244%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Minnehaha, WA11,0683824%
      Millington, TN11,0694510%
      Guthrie, OK11,063484%
      Halfway, MD11,0724020%
      Mount Kisco, NY11,0624314%
      Sierra Madre, CA11,0677244%
      Source: The Sierra Madre, 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.