TODAY APR27
TEMPERATURE59°F
HUMIDITY50%
PRESSURE29.88 inHg
WIND COND.0° 0 mph
  • 6742Fri
  • 5935Sat
  • 6244Sun
  • 7254Mon
  • 7862Tue30%
daynightWeather update from Salem, Salem-Leckrone Airport, on 26 Apr 20:35 pm CDT

St. Peter Average Weather

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
January5°F68°F36°Fn/a
February3°F70°F33°Fn/a
March19°F82°F46°Fn/a
April27°F88°F56°Fn/a
May36°F90°F65°Fn/a
June55°F95°F75°Fn/a
July54°F95°F76°Fn/a
August54°F100°F76°Fn/a
September37°F95°F68°Fn/a
October28°F91°F57°Fn/a
November18°F79°F46°Fn/a
December5°F64°F36°Fn/a

Did you know?

  • The highest monthly average temperature in St. Peter for August is 76 degrees.
  • The lowest monthly average temperature in St. Peter for February is 33 degrees.
  • The most monthly precipitation in St. Peter occurs in January with 0 inches.
  • The air quality index in St. Peter is 25% better than the national average.
  • The pollution index in St. Peter is 69% better than the national average.

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Compare St. Peter, IL Weather To Other Cities

St. Peter 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.
IndexSt. PeterIllinoisNational
Air quality index374150
Pollution index1,561,3103,347,2955,066,862

St. Peter air quality information

MeasurementTotal
Days measured214
Days with good air quality201
Days with moderate air quality13
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

St. Peter air quality information

PollutantTotal
Arsenic0.001%
Benzene0.040%
Carbon Tetrachloride0.010%
Lead0.002%
Mercury0.002%

Average monthly St. Peter temperature with heat index

St. Peter monthly precipitation with daily maximum

St. Peter monthly snow depth with daily maximum

St. Peter monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Altamont, IL2,3143726%
Iola, IL1483726%
St. Elmo, IL1,2983726%
Brownstown, IL7103726%
Kinmundy, IL1,0073726%
St. Peter, IL3883726%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Palisade, NE3881962%
Axtell, KS3883236%
Uplands Park, MO3886020%
Carbon, IN38850= 100
New Strawn, KS3882354%
St. Peter, IL3883726%
Source: The St. Peter, IL 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.