TODAY APR25
TEMPERATURE88
HUMIDITY61
PRESSURE101080
WIND COND.
  • 9474Fri
  • 9574Sat
  • 9374Sun
  • 9474Mon20%
  • 9274Tue30%20%
daynightWeather update from McAllen, Miller International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in San Fernando for August is 87 degrees
  • The lowest monthly average temperature in San Fernando for January is 61 degrees
  • The most monthly precipitation in San Fernando occurs in September with 4.6 inches
  • The air quality index in San Fernando is equal to the national average
  • The pollution index in San Fernando is 162% worse than the national average

Compare San Fernando, TX Weather

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      San Fernando 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
      January51°F74°F61°F1.0"
      February56°F78°F65°F0.8"
      March62°F84°F71°F1.0"
      April68°F89°F77°F1.5"
      May73°F93°F81°F2.1"
      June77°F97°F85°F1.8"
      July78°F98°F86°F3.3"
      August78°F99°F87°F1.8"
      September75°F95°F83°F4.6"
      October68°F90°F78°F1.6"
      November60°F82°F70°F1.1"
      December54°F75°F63°F1.4"

      San Fernando 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 FernandoTexasNational
      Air quality index425242
      Pollution index7,136,5302,009,3002,726,193

      San Fernando air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality243
      Days with moderate air quality120
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      San Fernando air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.080%
      Carbon Tetrachloride0.010%
      Lead0.020%
      Mercury0.001%

      Average monthly San Fernando temperature with heat index

      San Fernando monthly precipitation with daily maximum

      San Fernando monthly snow depth with daily maximum

      San Fernando monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Anacua, TX04216.0%
      Casas, TX64216.0%
      La Paloma Ranchettes, TX1904216.0%
      Pablo Pena, TX334216.0%
      Valle Vista, TX7384216.0%
      San Fernando, TX04216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Chase, AK03138.0%
      Chiniak, AK03138.0%
      Chisana, AK03138.0%
      Dot Lake, AK03824.0%
      Eureka Roadhouse, AK03138.0%
      San Fernando, TX04216.0%
      Source: The San Fernando, TX 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.