TODAY JUL19
TEMPERATURE59
HUMIDITY78
PRESSURE30.17
WIND COND.330 5.8
  • 7954Thu
  • 7854Fri
  • 8256Sat
  • 9561Sun
  • 9763Mon
daynightWeather update from Pearson Airfield at

Saintjohns 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
January19°F66°F41°F5.1"
February22°F65°F43°F2.0"
March28°F75°F47°F3.5"
April31°F83°F51°F2.6"
May37°F95°F59°F2.9"
June46°F102°F63°F1.4"
July51°F106°F70°F0.4"
August48°F102°F68°F0.6"
September41°F95°F64°F1.1"
October30°F78°F54°F2.6"
November27°F67°F47°F6.1"
December12°F63°F39°F5.2"

Did you know?

  • The highest monthly average temperature in Saintjohns for July is 70 degrees.
  • The lowest monthly average temperature in Saintjohns for December is 39 degrees.
  • The most monthly precipitation in Saintjohns occurs in November with 6.1 inches.
  • The air quality index in Saintjohns is 23% better than the national average.
  • The pollution index in Saintjohns is 35% better than the national average.

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Compare Portland, OR Weather To Other Cities

Saintjohns 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.
IndexSaintjohnsPortlandOregon
Air quality index383832
Pollution index3,247,5801,899,4105,374,527

Saintjohns air quality information

MeasurementTotal
Days measured365
Days with good air quality241
Days with moderate air quality108
Days w/ poor A.Q. for sensitive groups12
Days with unhealthy air quality4

Saintjohns air quality information

PollutantTotal
Arsenic0.003%
Benzene0.020%
Carbon Tetrachloride0.010%
Lead0.010%
Mercury0.002%

Average monthly Saintjohns temperature with heat index

Saintjohns monthly precipitation with daily maximum

Saintjohns monthly snow depth with daily maximum

Saintjohns monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bull Mountain, OR9,6843824%
Damascus, OR10,8423824%
Hillsboro, OR100,4623824%
Milwaukie, OR20,6433824%
Oatfield, OR13,5923824%
Portland, OR620,5893824%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Baltimore, MD621,000468%
Oklahoma City, OK620,015476%
Las Vegas, NV613,295548%
Louisville, KY611,5735510%
Milwaukee, WI598,6724510%
Portland, OR620,5893824%
Source: The Saintjohns, Portland, OR 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.