TODAY MAY29
TEMPERATURE69
HUMIDITY74
PRESSURE29.91
WIND COND.244 3
  • 7558Fri
  • 7958Sat
  • 7960Sun
  • 8062Mon
  • 7860Tue
daynightWeather update from DW5256 La Mesa at
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La Mesa 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
January45°F69°F56°F1.9"
February47°F69°F57°F2.2"
March50°F70°F59°F1.0"
April53°F72°F61°F0.7"
May57°F72°F63°F0.4"
June61°F76°F66°F0.0"
July65°F80°F71°F0.2"
August66°F82°F72°F0.0"
September64°F83°F72°F0.2"
October58°F80°F68°F0.5"
November51°F74°F62°F0.9"
December46°F68°F56°F2.5"

Did you know?

  • The highest monthly average temperature in La Mesa for August is 72 degrees.
  • The lowest monthly average temperature in La Mesa for December is 56 degrees.
  • The most monthly precipitation in La Mesa occurs in December with 2.5 inches.
  • The air quality index in La Mesa is 23% worse than the national average.
  • The pollution index in La Mesa is 804% worse than the national average.

Compare La Mesa, CA Weather To Other Cities

      vs

      La Mesa 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.
      IndexLa MesaCaliforniaNational
      Air quality index615550
      Pollution index45,820,50018,106,7265,066,862

      La Mesa air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality69
      Days with moderate air quality277
      Days w/ poor A.Q. for sensitive groups17
      Days with unhealthy air quality1

      La Mesa air quality information

      PollutantTotal
      Arsenic1.130%
      Benzene0.410%
      Carbon Tetrachloride0.030%
      Lead0.600%
      Mercury0.080%

      Average monthly La Mesa temperature with heat index

      La Mesa monthly precipitation with daily maximum

      La Mesa monthly snow depth with daily maximum

      La Mesa monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Casa de Oro-Mount Helix, CA20,1376122%
      Del Mar, CA4,3126122%
      Harbison Canyon, CA4,1286122%
      La Presa, CA37,1106122%
      San Diego, CA1,374,8126122%
      La Mesa, CA59,1256122%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Brookline, MA59,180476%
      Rowlett, TX59,203548%
      Kendale Lakes, FL59,2174118%
      Chapel Hill, NC59,0053530%
      Redmond, WA59,268492%
      La Mesa, CA59,1256122%
      Source: The La Mesa, 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.