TODAY AUG17
TEMPERATURE77
HUMIDITY74
PRESSURE30.11
WIND COND.340 9.2
  • 8364Sat
  • 8162Sun30%60%
  • 7456Mon70%40%
  • 7653Tue
  • 7957Wed
daynightWeather update from Spencer, Spencer Municipal Airport at

Hartley 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
January8°F27°F17°F0.3"
February10°F30°F19°F0.5"
March26°F46°F34°F1.2"
April36°F61°F47°F2.9"
May48°F73°F59°F4.0"
June58°F82°F70°F5.0"
July62°F86°F74°F3.2"
August59°F82°F70°F4.3"
September51°F77°F63°F2.9"
October39°F63°F49°F2.3"
November25°F48°F36°F0.9"
December12°F30°F21°F0.8"

Did you know?

  • The highest monthly average temperature in Hartley for July is 74 degrees.
  • The lowest monthly average temperature in Hartley for January is 17 degrees.
  • The most monthly precipitation in Hartley occurs in June with 5 inches.
  • The air quality index in Hartley is 17% better than the national average.
  • The pollution index in Hartley is 84% better than the national average.

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Compare Hartley, IA Weather To Other Cities

Hartley 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.
IndexHartleyIowaNational
Air quality index413950
Pollution index769,6971,643,8365,066,862

Hartley air quality information

MeasurementTotal
Days measured365
Days with good air quality254
Days with moderate air quality110
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

Hartley air quality information

PollutantTotal
Arsenic0.000%
Benzene0.010%
Carbon Tetrachloride0.001%
Lead0.002%
Mercury0.000%

Average monthly Hartley temperature with heat index

Hartley monthly precipitation with daily maximum

Hartley monthly snow depth with daily maximum

Hartley monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Melvin, IA2354020%
Sanborn, IA1,4054020%
Archer, IA1774118%
Primghar, IA9734118%
Sutherland, IA5954118%
Hartley, IA1,7174118%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Bowman, ND1,7173432%
Fort Denaud, FL1,7163334%
MacArthur, WV1,718295490%
Gasport, NY1,7184118%
Montpelier, IN1,7183628%
Hartley, IA1,7174118%
Source: The Hartley, 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.