TODAY OCT20
TEMPERATURE42
HUMIDITY64
PRESSURE30.17
WIND COND.280 6.9
  • 5030Sat
  • 6536Sun
  • 6233Mon
  • 5535Tue
  • 5440Wed
daynightWeather update from Sioux City, Sioux Gateway Airport at
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North Sioux 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
January10°F33°F21°F0.7"
February13°F38°F24°F0.8"
March26°F53°F38°F1.5"
April37°F66°F51°F3.5"
May48°F77°F62°F4.2"
June59°F86°F72°F4.9"
July63°F89°F76°F3.5"
August60°F86°F73°F5.6"
September51°F81°F65°F3.1"
October38°F68°F52°F3.0"
November25°F53°F38°F1.1"
December13°F36°F24°F1.7"

Did you know?

  • The highest monthly average temperature in North Sioux City for July is 76 degrees.
  • The lowest monthly average temperature in North Sioux City for January is 21 degrees.
  • The most monthly precipitation in North Sioux City occurs in August with 5.6 inches.
  • The air quality index in North Sioux City is 17% better than the national average.
  • The pollution index in North Sioux City is 92% better than the national average.

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North Sioux 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.
IndexNorth Sioux CitySouth DakotaNational
Air quality index413650
Pollution index397,267463,9835,066,862

North Sioux City air quality information

MeasurementTotal
Days measured365
Days with good air quality254
Days with moderate air quality110
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

North Sioux City air quality information

PollutantTotal
Arsenic0.000%
Benzene0.010%
Carbon Tetrachloride0.001%
Lead0.000%
Mercury0.000%

Average monthly North Sioux City temperature with heat index

North Sioux City monthly precipitation with daily maximum

North Sioux City monthly snow depth with daily maximum

North Sioux City monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bronson, IA3104118%
Sioux City, IA82,6664118%
Jackson, NE1534118%
Dakota Dunes, SD2,7454118%
Hinton, IA8094118%
North Sioux City, SD2,6234118%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Venetian Village, IL2,6233530%
Jemison, AL2,62250= 100
Glencoe, FL2,6243530%
Spooner, WI2,6243726%
Bloomfield, IA2,6224020%
North Sioux City, SD2,6234118%
Source: The North Sioux City, SD 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.