TODAY NOV09
TEMPERATURE77
HUMIDITY89
PRESSURE101290
WIND COND.70 16.6
  • 8274Sat40%30%
  • 7872Sun50%40%
  • 776730%
  • 7866Tue
  • 8065Wed20%
daynightWeather update from Patterson Memorial at
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Weather Quick Facts

  • The highest monthly average temperature in Morgan City for July is 81.3 degrees
  • The lowest monthly average temperature in Morgan City for January is 53.8 degrees
  • The most monthly precipitation in Morgan City occurs in March with 12.7 inches
  • The air quality index in Morgan City is 3% better than the national average
  • The pollution index in Morgan City is 84% better than the national average

Compare Morgan City, LA Weather

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      Morgan City 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°F64°F54°F4.5"
      February48°F67°F56°F3.0"
      March55°F73°F63°F12.7"
      April61°F79°F69°F7.3"
      May67°F84°F75°F4.3"
      June73°F89°F80°F5.2"
      July75°F90°F81°F4.4"
      August75°F90°F81°F4.9"
      September71°F87°F78°F6.4"
      October60°F80°F69°F3.9"
      November51°F72°F60°F3.1"
      December49°F67°F56°F3.7"

      Morgan City 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.
      IndexMorgan CityLouisianaNational
      Air quality index4110642
      Pollution index429,1492,526,4752,726,193

      Morgan City 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
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.002%
      Lead0.000%
      Mercury0.000%

      Average monthly Morgan City temperature with heat index

      Morgan City monthly precipitation with daily maximum

      Morgan City monthly snow depth with daily maximum

      Morgan City monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bayou L'Ourse, LA2,2314118.0%
      Patterson, LA5,8444118.0%
      Bayou Vista, LA4,3464118.0%
      Siracusaville, LA3874118.0%
      Berwick, LA4,4784118.0%
      Morgan City, LA10,9634118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Campton Hills, IL10,9625510.0%
      Montmagny, QC10,961n/a 
      Dobbs Ferry, NY10,959512.0%
      Waimea, HI10,9691668.0%
      DeRidder, LA10,9554510.0%
      Morgan City, LA10,9634118.0%
      Source: The Morgan City, 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.