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Rowan 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°F2.1"
February14°F32°F22°F3.7"
March28°F46°F35°F3.9"
April38°F61°F48°F4.8"
May49°F72°F60°F6.4"
June60°F81°F70°F7.8"
July63°F84°F73°F7.3"
August60°F81°F70°F6.7"
September52°F77°F63°F4.7"
October40°F63°F50°F7.2"
November28°F48°F37°F4.5"
December16°F31°F23°F2.5"

Did you know?

  • The highest monthly average temperature in Rowan for July is 73 degrees.
  • The lowest monthly average temperature in Rowan for January is 18 degrees.
  • The most monthly precipitation in Rowan occurs in June with 7.8 inches.
  • The air quality index in Rowan is 63% better than the national average.
  • The pollution index in Rowan is 79% better than the national average.

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Compare Rowan, IA Weather To Other Cities

Rowan 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.
IndexRowanIowaNational
Air quality index183950
Pollution index1,013,9601,643,8365,066,862

Rowan air quality information

MeasurementTotal
Days measured334
Days with good air quality332
Days with moderate air quality2
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Rowan air quality information

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

Average monthly Rowan temperature with heat index

Rowan monthly precipitation with daily maximum

Rowan monthly snow depth with daily maximum

Rowan monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Clarion, IA2,7831864%
Goodell, IA1281864%
Popejoy, IA481864%
Coulter, IA2141864%
Kanawha, IA7221864%
Rowan, IA1431864%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Denison, KS1433628%
Geneva, IA1431864%
Astoria, SD1433530%
Coats, KS143688%
Wilsey, KS1432354%
Rowan, IA1431864%
Source: The Rowan, 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.