TODAY JUL18
TEMPERATURE82
HUMIDITY39
PRESSURE30.05
WIND COND.40 6.9
  • 8668Thu20%
  • 8668Fri60%70%
  • 8367Sat60%50%
  • 8266Sun50%40%
  • 8467Mon30%
daynightWeather update from Dayton / Wright-Patterson Air Force Base at

Grafton Hill 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-13°F67°F32°F3.9"
February-8°F66°F30°F2.2"
March1°F80°F42°F4.0"
April19°F86°F53°F4.0"
May30°F90°F62°F3.5"
June48°F95°F72°F3.8"
July48°F97°F74°F4.5"
August48°F100°F74°F3.6"
September41°F94°F67°F3.3"
October26°F90°F54°F3.2"
November12°F75°F44°F2.6"
December1°F68°F33°F4.2"

Did you know?

  • The highest monthly average temperature in Grafton Hill for August is 74 degrees.
  • The lowest monthly average temperature in Grafton Hill for February is 30 degrees.
  • The most monthly precipitation in Grafton Hill occurs in July with 4.5 inches.
  • The air quality index in Grafton Hill is 3% better than the national average.
  • The pollution index in Grafton Hill is 127% worse than the national average.

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Compare Dayton, OH Weather To Other Cities

Grafton Hill 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.
IndexGrafton HillDaytonOhio
Air quality index484840
Pollution index11,539,30011,539,3006,740,001

Grafton Hill air quality information

MeasurementTotal
Days measured365
Days with good air quality196
Days with moderate air quality167
Days w/ poor A.Q. for sensitive groups2
Days with unhealthy air quality

Grafton Hill air quality information

PollutantTotal
Arsenic0.210%
Benzene0.110%
Carbon Tetrachloride0.060%
Lead0.110%
Mercury0.050%

Average monthly Grafton Hill temperature with heat index

Grafton Hill monthly precipitation with daily maximum

Grafton Hill monthly snow depth with daily maximum

Grafton Hill monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
New Burlington, OH4,5063726%
Spring Valley, OH4993726%
Green Meadows, OH2,5144216%
New Carlisle, OH5,6904216%
Enon, OH2,6484216%
Dayton, OH141,143484%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Pasadena, CA140,2687448%
Orange, CA139,9198570%
Fullerton, CA139,4917448%
Killeen, TX138,7453628%
Mesquite, TX143,771548%
Dayton, OH141,143484%
Source: The Grafton Hill, Dayton, OH 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.