TODAY APR19
TEMPERATURE64
HUMIDITY61
PRESSURE
WIND COND.207 4.8
  • 7748Sat
  • 7852Sun
  • 7650Mon
  • 6849Tue
  • 6747Wed
daynightWeather update from CORRALITOS at
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Weather Quick Facts

  • The highest monthly average temperature in San Martin for July is 61.2 degrees
  • The lowest monthly average temperature in San Martin for January is 47.2 degrees
  • The most monthly precipitation in San Martin occurs in December with 9.8 inches
  • The air quality index in San Martin is 2% worse than the national average
  • The pollution index in San Martin is 99% worse than the national average

Compare San Martin, CA Weather

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      San Martin 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°F60°F47°F6.0"
      February44°F62°F52°F7.2"
      March44°F65°F53°F5.4"
      April43°F67°F54°F2.8"
      May48°F69°F57°F1.3"
      June50°F72°F59°F2.4"
      July54°F73°F61°F0.1"
      August53°F74°F61°F0.0"
      September51°F74°F60°F1.9"
      October47°F73°F58°F2.0"
      November45°F69°F55°F2.7"
      December41°F61°F50°F9.8"

      San Martin 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 MartinCaliforniaNational
      Air quality index435542
      Pollution index5,429,55010,473,1902,726,193

      San Martin air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality263
      Days with moderate air quality98
      Days w/ poor A.Q. for sensitive groups4
      Days with unhealthy air quality0

      San Martin air quality information

      PollutantTotal
      Arsenic0.020%
      Benzene0.080%
      Carbon Tetrachloride0.000%
      Lead0.050%
      Mercury0.150%

      Average monthly San Martin temperature with heat index

      San Martin monthly precipitation with daily maximum

      San Martin monthly snow depth with daily maximum

      San Martin monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Day Valley, CA3,4143530.0%
      Freedom, CA3,9593530.0%
      Corralitos, CA2,2603530.0%
      La Selva Beach, CA2,5443530.0%
      Watsonville, CA52,3983530.0%
      San Martin, CA6,4984314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Columbiana, OH6,4984216.0%
      Bridgeport, TX6,4983334.0%
      Nitro, WV6,4984020.0%
      De Queen, AR6,4993922.0%
      Sullivan, MO6,499548.0%
      San Martin, CA6,4984314.0%
      Source: The San Martin, 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.