TODAY MAY21
TEMPERATURE61
HUMIDITY87
PRESSURE30.03
WIND COND.200 6.9
  • 8161Tue50%
  • 8363Wed80%30%
  • 8364Thu50%40%
  • 8560Fri
  • 8259Sat
daynightWeather update from Spencer, Spencer Municipal Airport at

Greenville 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
January-26°F61°F18°F0.1"
February-21°F63°F20°F0.3"
March-10°F82°F33°F1.4"
April14°F95°F48°F2.9"
May20°F95°F60°F2.9"
June40°F95°F70°F3.1"
July43°F100°F73°F2.9"
August36°F96°F70°F3.8"
September27°F94°F63°F2.7"
October17°F92°F48°F1.5"
November-1°F81°F36°F0.7"
December-18°F56°F19°F0.4"

Did you know?

  • The highest monthly average temperature in Greenville for July is 73 degrees.
  • The lowest monthly average temperature in Greenville for January is 18 degrees.
  • The most monthly precipitation in Greenville occurs in August with 3.8 inches.
  • The air quality index in Greenville is 17% better than the national average.
  • The pollution index in Greenville is 84% better than the national average.

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Compare Greenville, IA Weather To Other Cities

Greenville 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.
IndexGreenvilleIowaNational
Air quality index413950
Pollution index769,6971,643,8365,066,862

Greenville 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

Greenville air quality information

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

Average monthly Greenville temperature with heat index

Greenville monthly precipitation with daily maximum

Greenville monthly snow depth with daily maximum

Greenville monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Ruthven, IA7301864%
Dickens, IA2044118%
Marathon, IA2704118%
Royal, IA4154118%
Webb, IA1864118%
Greenville, IA934118%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Bluff City, AR933138%
St. Clement, MO933432%
Admire, KS932354%
Sulphur Springs, OH933628%
Woodman, WI933236%
Greenville, IA934118%
Source: The Greenville, 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.