TODAY DEC22
TEMPERATURE51
HUMIDITY46
PRESSURE102950
WIND COND.80 9.4
  • 6646Mon
  • 7055Tue20%
  • 715850%20%
  • 7360Thu
  • 7459Fri
daynightWeather update from Baton Rouge, Baton Rouge Metropolitan, Ryan Field at
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Weather Quick Facts

  • The highest monthly average temperature in Zachary for August is 82.2 degrees
  • The lowest monthly average temperature in Zachary for January is 52.8 degrees
  • The most monthly precipitation in Zachary occurs in December with 9.3 inches
  • The air quality index in Zachary is 7% worse than the national average
  • The pollution index in Zachary is 24% better than the national average

Compare Zachary, LA Weather

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      Zachary 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
      January44°F65°F53°F5.2"
      February45°F66°F54°F5.0"
      March51°F74°F62°F3.1"
      April58°F80°F68°F3.2"
      May66°F86°F75°F5.7"
      June72°F92°F81°F3.0"
      July74°F92°F82°F5.2"
      August74°F93°F82°F7.9"
      September70°F89°F78°F6.9"
      October58°F81°F69°F5.6"
      November49°F73°F59°F2.7"
      December45°F66°F54°F9.3"

      Zachary 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.
      IndexZacharyLouisianaNational
      Air quality index4510642
      Pollution index2,060,5802,526,4752,726,193

      Zachary air quality

      MeasurementTotal
      Days measured365
      Days with good air quality224
      Days with moderate air quality132
      Days w/ poor A.Q. for sensitive groups9
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.002%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      Average monthly Zachary temperature with heat index

      Zachary monthly precipitation with daily maximum

      Zachary monthly snow depth with daily maximum

      Zachary monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      St. Francisville, LA1,8914510.0%
      Monticello, LA4,9264510.0%
      Brownfields, LA5,9364510.0%
      Central, LA29,2354510.0%
      Watson, LA1,2254510.0%
      Zachary, LA17,6994510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Lake Butler, FL17,7003922.0%
      Takoma Park, MD17,703476.0%
      Wisconsin Rapids, WI17,6913432.0%
      Natchitoches, LA17,7113040.0%
      Alton, TX17,6834216.0%
      Zachary, LA17,6994510.0%
      Source: The Zachary, LA 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.