TODAY MAR04
TEMPERATURE39
HUMIDITY87
PRESSURE30.18
WIND COND.120 22.3
  • 4828Fri
  • 5639Sat
  • 5836Sun
  • 5942Mon
  • 6342Tue30%
daynightWeather update from Sheldon at

Key findings

  • The highest monthly average temperature in Sibley for July is 72 degrees
  • The lowest monthly average temperature in Sibley for January is 16 degrees
  • The most monthly precipitation in Sibley occurs in October with 7.9 inches
  • The air quality index in Sibley is 28% better than the national average
  • The pollution index in Sibley is 88% better than the national average

Compare Sibley, IA Weather

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      Sibley 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
      January9°F24°F16°F0.8"
      February11°F28°F18°F1.4"
      March26°F44°F33°F2.1"
      April37°F58°F46°F3.5"
      May48°F70°F58°F5.7"
      June58°F79°F68°F5.6"
      July62°F83°F72°F5.9"
      August59°F79°F69°F6.5"
      September52°F74°F61°F4.8"
      October39°F60°F48°F7.9"
      November26°F45°F34°F2.6"
      December12°F27°F19°F0.7"

      Sibley 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.
      IndexSibleyIowaNational
      Air quality index363950
      Pollution index627,2001,643,8365,066,862

      Sibley air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality321
      Days with moderate air quality43
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Sibley air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.030%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Sibley temperature with heat index

      Sibley monthly precipitation with daily maximum

      Sibley monthly snow depth with daily maximum

      Sibley monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Ocheyedan, IA5083628%
      Melvin, IA2353628%
      Ashton, IA4273628%
      Round Lake, MN4443628%
      George, IA1,0073628%
      Sibley, IA2,6673628%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Canadian Lakes, MI2,6673824%
      Munsons Corners, NY2,6673432%
      Tusculum, TN2,6684510%
      Van, TX2,6663628%
      Cathcart, WA2,6654510%
      Sibley, IA2,6673628%
      Source: The Sibley, IA 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.