Current weather conditions temporarily unavailable!

Key findings

  • The highest monthly average temperature in Alamo for July is 71 degrees
  • The lowest monthly average temperature in Alamo for December is 47 degrees
  • The most monthly precipitation in Alamo occurs in January with 3.3 inches
  • The air quality index in Alamo is 20% better than the national average
  • The pollution index in Alamo is 170% worse than the national average

Compare Alamo, CA Weather

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

      Alamo 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
      January39°F58°F48°F3.3"
      February43°F62°F52°F3.0"
      March45°F67°F54°F1.8"
      April47°F71°F57°F1.9"
      May52°F78°F63°F0.6"
      June56°F85°F68°F0.0"
      July58°F90°F71°F0.0"
      August57°F90°F70°F0.0"
      September56°F86°F68°F0.0"
      October50°F77°F62°F1.4"
      November45°F68°F55°F1.2"
      December40°F57°F47°F2.3"

      Alamo 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.
      IndexAlamoCaliforniaNational
      Air quality index405550
      Pollution index13,698,50018,106,7265,066,862

      Alamo air quality information

      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

      Alamo air quality information

      PollutantTotal
      Arsenic0.040%
      Benzene0.110%
      Carbon Tetrachloride0.330%
      Lead0.070%
      Mercury0.120%

      Average monthly Alamo temperature with heat index

      Alamo monthly precipitation with daily maximum

      Alamo monthly snow depth with daily maximum

      Alamo monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Reliez Valley, CA3,5954020%
      San Miguel, CA3,2144020%
      Shell Ridge, CA1,1234020%
      Alhambra Valley, CA5014020%
      Benicia, CA27,7804020%
      Alamo, CA16,0784020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Hermitage, PA16,0774216%
      Pearl River, NY16,076512%
      Vero Beach, FL16,0703628%
      Madison, NJ16,090512%
      Spanish Springs, NV16,091468%
      Alamo, CA16,0784020%
      Source: The Alamo, 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.