TODAY AUG20
TEMPERATURE65
HUMIDITY78
PRESSURE30.21
WIND COND.
  • 7662Tue50%
  • 7454Wed90%40%
  • 7252Thu
  • 7857Fri
  • 7959Sat
daynightWeather update from St. Johnsbury - Fairbanks at

St. Johnsbury 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
January10°F27°F18°F2.4"
February11°F30°F20°F2.7"
March20°F39°F29°F2.6"
April34°F55°F43°F3.5"
May45°F68°F56°F4.4"
June54°F75°F64°F5.1"
July59°F79°F68°F5.6"
August57°F77°F66°F4.5"
September50°F70°F59°F3.4"
October40°F57°F48°F5.2"
November29°F45°F36°F3.0"
December19°F32°F25°F4.1"

Did you know?

  • The highest monthly average temperature in St. Johnsbury for July is 68 degrees.
  • The lowest monthly average temperature in St. Johnsbury for January is 18 degrees.
  • The most monthly precipitation in St. Johnsbury occurs in July with 5.6 inches.
  • The air quality index in St. Johnsbury is 17% better than the national average.
  • The pollution index in St. Johnsbury is 74% better than the national average.

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Compare St. Johnsbury, VT Weather To Other Cities

St. Johnsbury 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. JohnsburyVermontNational
Air quality index413650
Pollution index1,278,4302,292,5845,066,862

St. Johnsbury air quality information

MeasurementTotal
Days measured365
Days with good air quality329
Days with moderate air quality34
Days w/ poor A.Q. for sensitive groups2
Days with unhealthy air quality

St. Johnsbury air quality information

PollutantTotal
Arsenic0.001%
Benzene0.020%
Carbon Tetrachloride0.002%
Lead0.010%
Mercury0.001%

Average monthly St. Johnsbury temperature with heat index

St. Johnsbury monthly precipitation with daily maximum

St. Johnsbury monthly snow depth with daily maximum

St. Johnsbury monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Groton, VT4233432%
Greensboro, VT1083628%
Greensboro Bend, VT2083628%
Lyndonville, VT1,2554118%
Littleton, NH4,6504118%
St. Johnsbury, VT6,1534118%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Orange City, IA6,1534118%
Ramtown, NJ6,1514020%
Pleasure Point, CA6,1553628%
Pepper Pike, OH6,1505510%
Village of Oak Creek (Big Park), AZ6,1504216%
St. Johnsbury, VT6,1534118%
Source: The St. Johnsbury, VT 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.