TODAY OCT24
TEMPERATURE62°F
HUMIDITY54%
PRESSURENA inHg
WIND COND.297° 3.5 mph
  • 6539Sun
  • 6841Columbus Day
  • 6241Tue40%
  • 6140Wed
  • 5841Thu
daynightWeather update from CORVALLIS, on 07 Oct 1:45 pm PDT

Monroe 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
January14°F68°F41°F3.9"
February19°F70°F42°F1.2"
March27°F81°F47°F3.9"
April28°F84°F51°F1.7"
May34°F99°F59°F1.7"
June37°F104°F63°F0.9"
July43°F108°F70°F0.2"
August39°F102°F68°F0.4"
September36°F99°F63°F0.6"
October19°F84°F54°F1.4"
November21°F72°F47°F2.3"
December9°F64°F40°F4.8"

Did you know?

  • The highest monthly average temperature in Monroe for July is 70 degrees.
  • The lowest monthly average temperature in Monroe for December is 40 degrees.
  • The most monthly precipitation in Monroe occurs in December with 4.8 inches.
  • The air quality index in Monroe is 65% better than the national average.
  • The pollution index in Monroe is 37% better than the national average.

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Compare Monroe, OR Weather To Other Cities

Monroe 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.
IndexMonroeOregonNational
Air quality index173250
Pollution index3,182,1805,436,2275,100,859

Monroe air quality information

MeasurementTotal
Days measured355
Days with good air quality302
Days with moderate air quality52
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

Monroe air quality information

PollutantTotal
Arsenic0.010%
Benzene0.040%
Carbon Tetrachloride0.030%
Lead0.190%
Mercury0.110%

Average monthly Monroe temperature with heat index

Monroe monthly precipitation with daily maximum

Monroe monthly snow depth with daily maximum

Monroe monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bellfountain, OR951766%
Shedd, OR2801766%
Peoria, OR841766%
Alpine, OR1361766%
Alsea, OR1421766%
Monroe, OR7461766%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Chippewa Lake, OH7463432%
Sanderson, TX7463040%
Hoyt, KS7463628%
Underwood, ND7463432%
Fairchilds, TX746524%
Monroe, OR7461766%
Source: The Monroe, 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.