TODAY NOV15
TEMPERATURE
HUMIDITY80
PRESSURE30.11
WIND COND.220 9.2
  • 4228Fri20%
  • 3218Sat70%
  • 3017Sun
  • 3623Mon
  • 3925Tue
daynightWeather update from Washington at

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Harper 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
January17°F34°F24°F1.9"
February17°F34°F25°F2.4"
March31°F52°F40°F3.0"
April41°F65°F52°F4.3"
May53°F75°F63°F6.0"
June62°F84°F72°F4.4"
July65°F86°F75°F7.8"
August63°F83°F72°F4.4"
September54°F78°F65°F5.3"
October44°F66°F53°F5.8"
November32°F52°F41°F3.9"
December21°F37°F28°F4.0"

Did you know?

  • The highest monthly average temperature in Harper for July is 75 degrees.
  • The lowest monthly average temperature in Harper for January is 24 degrees.
  • The most monthly precipitation in Harper occurs in July with 7.8 inches.
  • The air quality index in Harper is 15% better than the national average.
  • The pollution index in Harper is 88% better than the national average.

Real Estate Listings In Harper

Compare Harper, IA Weather To Other Cities

Harper 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.
IndexHarperIowaNational
Air quality index423950
Pollution index577,8381,643,8365,066,862

Harper air quality information

MeasurementTotal
Days measured365
Days with good air quality244
Days with moderate air quality120
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

Harper air quality information

PollutantTotal
Arsenic0.000%
Benzene0.010%
Carbon Tetrachloride0.001%
Lead0.090%
Mercury0.000%

Average monthly Harper temperature with heat index

Harper monthly precipitation with daily maximum

Harper monthly snow depth with daily maximum

Harper monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Hayesville, IA424216%
Kinross, IA534216%
Ollie, IA1894216%
South English, IA2994216%
West Chester, IA914216%
Harper, IA964216%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Republic, KS96265430%
Westwood, IA964020%
Ventana, AZ967448%
Andover, SD962648%
Millard, MO963432%
Harper, IA964216%
Source: The Harper, IA 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.