St. John, ND Weather - Forecast & Monthly Averages

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TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.

Weather Quick Facts

The highest monthly average temperature in St. John for July is 65.2 degrees
The lowest monthly average temperature in St. John for January is 5.7 degrees
The most monthly precipitation in St. John occurs in January with 11.4 inches
The air quality index in St. John is 14% better than the national average
The pollution index in St. John is 85% better than the national average

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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.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	-4°F	16°F	6°F	11.4"
February	-4°F	17°F	6°F	3.4"
March	12°F	31°F	21°F	2.2"
April	27°F	51°F	38°F	1.3"
May	38°F	65°F	51°F	2.8"
June	50°F	74°F	61°F	4.0"
July	53°F	78°F	65°F	2.5"
August	51°F	78°F	63°F	2.6"
September	44°F	71°F	56°F	3.1"
October	31°F	54°F	41°F	0.8"
November	17°F	36°F	25°F	1.2"
December	-1°F	17°F	8°F	7.7"

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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.
Index	St. John	North Dakota	National
Air quality index	36	35	42
Pollution index	408,578	1,038,665	2,726,193

St. John air quality

Measurement	Total
Days measured	365
Days with good air quality	320
Days with moderate air quality	45
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.010%
Carbon Tetrachloride	0.001%
Lead	0.001%
Mercury	0.000%

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	Population	Air Quality Index	National Avg.
Green Acres, ND	642	36	28.0%
Rolla, ND	1,464	36	28.0%
East Dunseith, ND	451	36	28.0%
Shell Valley, ND	1,577	36	28.0%
Belcourt, ND	2,201	36	28.0%
St. John, ND	356	36	28.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Belk, AL	356	35	30.0%
Okolona, AR	356	32	36.0%
Terril, IA	356	32	36.0%
West Okoboji, IA	356	36	28.0%
Leonard, MI	356	38	24.0%
St. John, ND	356	36	28.0%

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.