TODAY MAY15
TEMPERATURE58
HUMIDITY79
PRESSURE29.91
WIND COND.245
  • 7156Fri
  • 6655Sat20%
  • 6256Sun30%20%
  • 6857Mon
  • 7058Tue
daynightWeather update from DW5256 La Mesa at

Key findings

  • The highest monthly average temperature in La Mesa for August is 72.2 degrees
  • The lowest monthly average temperature in La Mesa for December is 55.8 degrees
  • The most monthly precipitation in La Mesa occurs in December with 2.5 inches
  • The air quality index in La Mesa is 29% worse than the national average
  • The pollution index in La Mesa is 804% worse than the national average

Compare La Mesa, CA Weather

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

      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"

      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 index645550
      Pollution index45,820,50018,106,7265,066,862

      La Mesa air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality87
      Days with moderate air quality253
      Days w/ poor A.Q. for sensitive groups23
      Days with unhealthy air quality2

      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.
      Bonita, CA12,8856428%
      Jamul, CA5,6406428%
      San Diego, CA1,374,8126428%
      Casa de Oro-Mount Helix, CA20,1376428%
      Granite Hills, CA3,0716428%
      La Mesa, CA59,1256428%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Brookline, MA59,1804314%
      Rowlett, TX59,203512%
      Kendale Lakes, FL59,2174118%
      Chapel Hill, NC59,0054412%
      Redmond, WA59,2684510%
      La Mesa, CA59,1256428%
      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.