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Key findings

  • The highest monthly average temperature in Hannibal for July is 70.6 degrees
  • The lowest monthly average temperature in Hannibal for February is 24.9 degrees
  • The most monthly precipitation in Hannibal occurs in October with 5.4 inches
  • The air quality index in Hannibal is 26% better than the national average
  • The pollution index in Hannibal is 53% better than the national average

Compare Hannibal, NY Weather

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      Hannibal 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
      January17°F33°F25°F2.8"
      February17°F33°F25°F2.6"
      March25°F43°F33°F2.3"
      April36°F58°F46°F3.3"
      May46°F70°F58°F3.4"
      June55°F77°F66°F4.3"
      July60°F82°F71°F4.1"
      August59°F80°F69°F3.9"
      September52°F74°F62°F3.6"
      October43°F61°F51°F5.4"
      November33°F50°F41°F3.2"
      December24°F38°F31°F3.6"

      Hannibal 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.
      IndexHannibalNew YorkNational
      Air quality index374350
      Pollution index2,401,9509,373,0575,066,862

      Hannibal air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality337
      Days with moderate air quality28
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Hannibal air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.030%
      Carbon Tetrachloride0.010%
      Lead0.030%
      Mercury0.080%

      Average monthly Hannibal temperature with heat index

      Hannibal monthly precipitation with daily maximum

      Hannibal monthly snow depth with daily maximum

      Hannibal monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Seneca Knolls, NY2,2073726%
      Baldwinsville, NY7,4613726%
      Red Creek, NY6613726%
      SUNY Oswego, NY3,7053726%
      Fair Haven, NY7773726%
      Hannibal, NY5593726%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Swea City, IA5591570%
      Cranesville, PA5593628%
      Little River, KS5594020%
      Danube, MN5593236%
      Casco, WI5593628%
      Hannibal, NY5593726%
      Source: The Hannibal, NY 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.