TODAY AUG17
TEMPERATURE71
HUMIDITY90
PRESSURE29.97
WIND COND.340 5.8
  • 8561Fri
  • 8563Sat
  • 8363Sun50%
  • 7657Mon60%60%
  • 7655Tue
daynightWeather update from Mason City, Mason City Municipal Airport at

Rockwell 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
January9°F25°F17°F0.7"
February11°F29°F20°F1.1"
March25°F44°F34°F2.2"
April36°F60°F47°F5.1"
May48°F71°F59°F5.0"
June58°F81°F69°F5.4"
July61°F84°F72°F4.2"
August59°F82°F70°F4.0"
September51°F76°F62°F4.3"
October38°F62°F49°F2.7"
November26°F47°F36°F1.5"
December13°F29°F21°F1.4"

Did you know?

  • The highest monthly average temperature in Rockwell for July is 72 degrees.
  • The lowest monthly average temperature in Rockwell for January is 17 degrees.
  • The most monthly precipitation in Rockwell occurs in June with 5.4 inches.
  • The air quality index in Rockwell is 63% better than the national average.
  • The pollution index in Rockwell is 79% better than the national average.

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Compare Rockwell, IA Weather To Other Cities

Rockwell 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.
IndexRockwellIowaNational
Air quality index183950
Pollution index1,013,9601,643,8365,066,862

Rockwell 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

Rockwell air quality information

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

Average monthly Rockwell temperature with heat index

Rockwell monthly precipitation with daily maximum

Rockwell monthly snow depth with daily maximum

Rockwell monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Burchinal, IA531864%
Latimer, IA4991864%
Portland, IA271864%
Swaledale, IA1811864%
Alexander, IA1501864%
Rockwell, IA1,1001864%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Cleary, MS1,1004216%
Hagerman, ID1,1001374%
Princeton, IA1,100536%
McCloud, CA1,1013824%
Oolitic, IN1,1014020%
Rockwell, IA1,1001864%
Source: The Rockwell, 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.