TODAY NOV22
TEMPERATURE51
HUMIDITY63
PRESSURE102030
WIND COND.280 9.4
  • 6544Fri
  • 6855Sat
  • 7663Sun
  • 7965Mon
  • 7864Tue
daynightWeather update from Galliano, South Lafourche Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Galliano for August is 81.4 degrees
  • The lowest monthly average temperature in Galliano for January is 54.1 degrees
  • The most monthly precipitation in Galliano occurs in May with 17.5 inches
  • The air quality index in Galliano is 3% better than the national average
  • The pollution index in Galliano is 33% worse than the national average

Compare Galliano, LA Weather

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      Galliano 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
      January46°F65°F54°F11.3"
      February48°F67°F57°F5.8"
      March54°F74°F64°F7.3"
      April60°F79°F70°F11.7"
      May66°F85°F75°F17.5"
      June72°F90°F81°F8.4"
      July74°F91°F81°F8.4"
      August74°F90°F81°F12.8"
      September71°F88°F79°F10.6"
      October61°F81°F71°F10.7"
      November52°F73°F61°F11.5"
      December49°F67°F57°F9.8"

      Galliano 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.
      IndexGallianoLouisianaNational
      Air quality index4110642
      Pollution index3,618,9802,526,4752,726,193

      Galliano air quality

      MeasurementTotal
      Days measured361
      Days with good air quality272
      Days with moderate air quality87
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.020%
      Benzene0.040%
      Carbon Tetrachloride0.010%
      Lead0.020%
      Mercury0.000%

      Average monthly Galliano temperature with heat index

      Galliano monthly precipitation with daily maximum

      Galliano monthly snow depth with daily maximum

      Galliano monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Larose, LA6,4634118.0%
      Golden Meadow, LA1,9184118.0%
      Lockport, LA3,2524118.0%
      Lockport Heights, LA1,7064118.0%
      Cut Off, LA5,3624118.0%
      Galliano, LA7,5144118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Strathmore, NJ7,514512.0%
      Port Jefferson Station, NY7,5164314.0%
      Central Huron, ON7,511n/a 
      Auburn, GA7,5193726.0%
      Meridianville, AL7,5204412.0%
      Galliano, LA7,5144118.0%
      Source: The Galliano, 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.