TODAY DEC22
TEMPERATURE28
HUMIDITY100
PRESSURE102850
WIND COND.
  • 5632Sun
  • 6440Mon
  • 7052Tue20%
  • 705540%
  • 7258Thu50%
daynightWeather update from Vicksburg Municipal at
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Weather Quick Facts

  • The highest monthly average temperature in Port Gibson for August is 81 degrees
  • The lowest monthly average temperature in Port Gibson for January is 47.2 degrees
  • The most monthly precipitation in Port Gibson occurs in April with 6.2 inches
  • The air quality index in Port Gibson is 5% worse than the national average
  • The pollution index in Port Gibson is 86% better than the national average

Compare Port Gibson, MS Weather

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      Port Gibson 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
      January37°F59°F47°F5.3"
      February40°F62°F50°F5.1"
      March48°F71°F59°F5.0"
      April55°F79°F66°F6.2"
      May61°F84°F72°F4.9"
      June69°F91°F80°F3.3"
      July71°F93°F81°F4.5"
      August71°F93°F81°F4.4"
      September65°F89°F76°F2.8"
      October52°F80°F65°F4.1"
      November43°F69°F55°F3.9"
      December40°F61°F49°F5.8"

      Port Gibson 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.
      IndexPort GibsonMississippiNational
      Air quality index444042
      Pollution index387,8751,514,1092,726,193

      Port Gibson air quality

      MeasurementTotal
      Days measured365
      Days with good air quality256
      Days with moderate air quality109
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Port Gibson temperature with heat index

      Port Gibson monthly precipitation with daily maximum

      Port Gibson monthly snow depth with daily maximum

      Port Gibson monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Newellton, LA1,0473432.0%
      St. Joseph, LA7893432.0%
      Alcorn State University, MS9914412.0%
      Port Gibson, MS1,6164412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Cleora, OK1,6163824.0%
      Langhorne, PA1,6164118.0%
      De Kalb, TX1,6163922.0%
      Samson, AL1,6153530.0%
      Royal Palm Estates, FL1,6153628.0%
      Port Gibson, MS1,6164412.0%
      Source: The Port Gibson, MS 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.