TODAY JUL20
TEMPERATURE70
HUMIDITY94
PRESSURE29.95
WIND COND.220 11.4
  • 7967Sat70%70%
  • 8067Sun60%60%
  • 8469Mon40%30%
  • 8770Tue30%30%
  • 8668Wed30%
daynightWeather update from Columbus, Bolton Field Airport at

Southwest 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-11°F69°F32°F4.2"
February-2°F66°F31°F2.1"
March9°F81°F42°F4.6"
April23°F87°F54°F3.5"
May31°F91°F62°F2.9"
June49°F96°F72°F4.7"
July52°F97°F75°F3.9"
August50°F97°F75°F3.7"
September42°F93°F68°F3.2"
October28°F91°F55°F3.9"
November14°F73°F45°F2.1"
December3°F68°F34°F3.5"

Did you know?

  • The highest monthly average temperature in Southwest for August is 75 degrees.
  • The lowest monthly average temperature in Southwest for February is 31 degrees.
  • The most monthly precipitation in Southwest occurs in June with 4.7 inches.
  • The air quality index in Southwest is 13% better than the national average.
  • The pollution index in Southwest is 325% worse than the national average.

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Compare Columbus, OH Weather To Other Cities

Southwest 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.
IndexSouthwestColumbusOhio
Air quality index434340
Pollution index21,574,80021,574,8006,740,001

Southwest air quality information

MeasurementTotal
Days measured365
Days with good air quality243
Days with moderate air quality120
Days w/ poor A.Q. for sensitive groups2
Days with unhealthy air quality

Southwest air quality information

PollutantTotal
Arsenic0.030%
Benzene0.230%
Carbon Tetrachloride0.100%
Lead0.190%
Mercury0.010%

Average monthly Southwest temperature with heat index

Southwest monthly precipitation with daily maximum

Southwest monthly snow depth with daily maximum

Southwest monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Darbyville, OH1913138%
Mount Sterling, OH1,8293138%
Blacklick Estates, OH9,0224314%
Darbydale, OH6744314%
Gahanna, OH34,3734314%
Columbus, OH837,0384314%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Indianapolis, IN846,6745918%
San Francisco, CA850,2824314%
Jacksonville, FL856,6163824%
Fort Worth, TX815,930548%
Charlotte, NC808,8344216%
Columbus, OH837,0384314%
Source: The Southwest, Columbus, 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.