TODAY OCT15
TEMPERATURE31
HUMIDITY90
PRESSURE30.24
WIND COND.290 5.8
  • 5534Tue
  • 4833Wed
  • 5643Thu
  • 6039Fri
  • 5031Sat
daynightWeather update from Vinton, Vinton Veterans Memorial Airpark Airport at
How would you rate the weather in Keystone?View resultsWrite a review to give others more information about this area.
How would you rate the air quality in Keystone?View resultsWrite a review to give others more information about this area.

Keystone Average Temperature

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°F30°F21°F0.8"
February15°F33°F23°F2.0"
March29°F48°F38°F3.9"
April40°F62°F50°F4.8"
May50°F74°F61°F6.0"
June61°F83°F71°F8.3"
July64°F85°F74°F7.5"
August61°F82°F71°F5.6"
September53°F77°F64°F4.9"
October42°F64°F52°F7.5"
November31°F49°F39°F5.2"
December19°F34°F26°F4.0"

Did you know?

  • The highest monthly average temperature in Keystone for July is 74 degrees.
  • The lowest monthly average temperature in Keystone for January is 21 degrees.
  • The most monthly precipitation in Keystone occurs in June with 8.3 inches.
  • The air quality index in Keystone is 15% better than the national average.
  • The pollution index in Keystone is 91% better than the national average.

Find Real Estate Listings In Keystone

Location
Price
Bedrooms
Bathrooms
 

New Real Estate Listings In Keystone

Compare Keystone, IA Weather To Other Cities

Keystone 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.
IndexKeystoneIowaNational
Air quality index423950
Pollution index416,1141,643,8365,066,862

Keystone air quality information

MeasurementTotal
Days measured365
Days with good air quality256
Days with moderate air quality108
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

Keystone air quality information

PollutantTotal
Arsenic0.000%
Benzene0.004%
Carbon Tetrachloride0.001%
Lead0.000%
Mercury0.000%

Average monthly Keystone temperature with heat index

Keystone monthly precipitation with daily maximum

Keystone monthly snow depth with daily maximum

Keystone monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Hartwick, IA984216%
Marengo, IA2,9274216%
Van Horne, IA7824216%
West Amana, IA2124216%
Belle Plaine, IA2,5624216%
Keystone, IA6314216%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Jarratt, VA6313922%
Chrisney, IN6314020%
Queenstown, MD6313726%
June Lake, CA6314314%
Littlefork, MN6303726%
Keystone, IA6314216%
Source: The Keystone, 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.