TODAY NOV16
TEMPERATURE
HUMIDITY100
PRESSURE30.02
WIND COND.280 5.8
  • 5533Fri
  • 6136Sat
  • 6239Sun
  • 6441Mon
  • 5836Tue
daynightWeather update from Rock Hill, Rock Hill - York County Airport at

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Irwin 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
January34°F57°F44°F4.7"
February32°F56°F43°F4.9"
March40°F67°F53°F9.2"
April46°F73°F59°F5.1"
May54°F80°F67°F3.1"
June65°F87°F75°F7.7"
July69°F90°F78°F6.0"
August71°F93°F81°F3.6"
September63°F88°F75°F1.5"
October54°F77°F64°F3.9"
November39°F66°F52°F4.6"
December34°F58°F44°F7.2"

Did you know?

  • The highest monthly average temperature in Irwin for August is 81 degrees.
  • The lowest monthly average temperature in Irwin for February is 43 degrees.
  • The most monthly precipitation in Irwin occurs in March with 9.2 inches.
  • The air quality index in Irwin is 15% better than the national average.
  • The pollution index in Irwin is 59% better than the national average.

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Compare Irwin, SC Weather To Other Cities

Irwin 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.
IndexIrwinSouth CarolinaNational
Air quality index423750
Pollution index2,035,0103,325,3185,066,862

Irwin air quality information

MeasurementTotal
Days measured365
Days with good air quality278
Days with moderate air quality87
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Irwin air quality information

PollutantTotal
Arsenic0.020%
Benzene0.020%
Carbon Tetrachloride0.002%
Lead0.010%
Mercury0.004%

Average monthly Irwin temperature with heat index

Irwin monthly precipitation with daily maximum

Irwin monthly snow depth with daily maximum

Irwin monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
JAARS, NC5084216%
Fort Lawn, SC9514216%
Lancaster, SC8,9714216%
Catawba, SC9264216%
Great Falls, SC2,0304216%
Irwin, SC1,6394216%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Chesilhurst, NJ1,6393138%
South Bend, WA1,6392158%
Mowbray Mountain, TN1,6394412%
Edgeworth, PA1,6395612%
Stuart, VA1,6394118%
Irwin, SC1,6394216%
Source: The Irwin, SC 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.