TODAY AUG16
TEMPERATURE70
HUMIDITY88
PRESSURE29.98
WIND COND.290 12.8
  • 8260Fri
  • 8364Sat
  • 7962Sun30%60%
  • 7456Mon60%30%
  • 7653Tue
daynightWeather update from Storm Lake at

Arthur 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
January13°F29°F20°F0.2"
February14°F31°F22°F2.0"
March29°F47°F36°F0.7"
April39°F61°F49°F3.9"
May50°F73°F61°F5.8"
June61°F82°F71°F2.9"
July64°F85°F74°F2.8"
August62°F81°F70°F2.6"
September54°F76°F64°F2.7"
October42°F62°F51°F1.9"
November29°F49°F37°F0.9"
December17°F32°F24°F3.5"

Did you know?

  • The highest monthly average temperature in Arthur for July is 74 degrees.
  • The lowest monthly average temperature in Arthur for January is 20 degrees.
  • The most monthly precipitation in Arthur occurs in May with 5.8 inches.
  • The air quality index in Arthur is 17% better than the national average.
  • The pollution index in Arthur is 89% better than the national average.

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Compare Arthur, IA Weather To Other Cities

Arthur 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.
IndexArthurIowaNational
Air quality index413950
Pollution index517,6911,643,8365,066,862

Arthur 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

Arthur air quality information

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

Average monthly Arthur temperature with heat index

Arthur monthly precipitation with daily maximum

Arthur monthly snow depth with daily maximum

Arthur monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Galva, IA4664118%
Nemaha, IA1004118%
Schleswig, IA8064118%
Holstein, IA1,4164118%
Odebolt, IA1,0164118%
Arthur, IA2544118%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Pemberton, MN2543726%
King William, VA2543922%
Twin Forks, NM2541570%
Jugtown, MD2544118%
Allen, KS2542354%
Arthur, IA2544118%
Source: The Arthur, 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.