TODAY FEB24
TEMPERATURE34
HUMIDITY55
PRESSURE30.03
WIND COND.330 6.9
  • 194Tue
  • 151Wed
  • 188Thu
  • 2916Fri
  • 3422Sat
daynightWeather update from ROLLA at

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St. John 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
January-4°F16°F6°F11.4"
February-4°F17°F6°F3.4"
March12°F31°F21°F2.2"
April27°F51°F38°F1.3"
May38°F65°F51°F2.8"
June50°F74°F61°F4.0"
July53°F78°F65°F2.5"
August51°F78°F63°F2.6"
September44°F71°F56°F3.1"
October31°F54°F41°F0.8"
November17°F36°F25°F1.2"
December-1°F17°F8°F7.7"

Did you know?

  • The highest monthly average temperature in St. John for July is 65 degrees.
  • The lowest monthly average temperature in St. John for January is 6 degrees.
  • The most monthly precipitation in St. John occurs in January with 11.4 inches.
  • The air quality index in St. John is 32% better than the national average.
  • The pollution index in St. John is 92% better than the national average.

Compare St. John, ND Weather To Other Cities

St. John 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. JohnNorth DakotaNational
Air quality index343550
Pollution index408,5781,235,1375,066,862

St. John air quality information

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

St. John air quality information

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

Average monthly St. John temperature with heat index

St. John monthly precipitation with daily maximum

St. John monthly snow depth with daily maximum

St. John monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Green Acres, ND6223432%
Rolla, ND1,3883432%
Belcourt, ND2,0483432%
Shell Valley, ND1,2363432%
East Dunseith, ND5413432%
St. John, ND3303432%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Rentz, GA3303824%
Murdo, SD3304314%
Richville, NY3303138%
Brazos Bend, TX3303334%
Utica, MN3302158%
St. John, ND3303432%
Source: The St. John, ND 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.
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