TODAY OCT20
TEMPERATURE54
HUMIDITY67
PRESSURE29.99
WIND COND.320 5.8
  • 5029Sat
  • 5842Sun
  • 6237Mon
  • 5535Tue
  • 5439Wed
daynightWeather update from Knoxville at
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Swan 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
January14°F35°F23°F0.9"
February17°F39°F26°F1.2"
March30°F54°F41°F2.2"
April41°F67°F53°F4.9"
May51°F76°F63°F4.9"
June62°F86°F74°F6.5"
July66°F89°F77°F4.2"
August64°F87°F75°F5.1"
September56°F81°F68°F3.7"
October43°F68°F55°F3.2"
November31°F54°F42°F1.8"
December18°F38°F27°F2.1"

Did you know?

  • The highest monthly average temperature in Swan for July is 77 degrees.
  • The lowest monthly average temperature in Swan for January is 23 degrees.
  • The most monthly precipitation in Swan occurs in June with 6.5 inches.
  • The air quality index in Swan is 17% better than the national average.
  • The pollution index in Swan is 83% worse than the national average.

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Swan 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.
IndexSwanIowaNational
Air quality index413950
Pollution index9,310,1601,643,8365,066,862

Swan air quality information

MeasurementTotal
Days measured365
Days with good air quality267
Days with moderate air quality98
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Swan air quality information

PollutantTotal
Arsenic0.010%
Benzene0.110%
Carbon Tetrachloride0.080%
Lead0.030%
Mercury0.010%

Average monthly Swan temperature with heat index

Swan monthly precipitation with daily maximum

Swan monthly snow depth with daily maximum

Swan monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Monroe, IA1,8754118%
Reasnor, IA1754118%
Altoona, IA16,6924118%
Indianola, IA15,3434118%
Knoxville, IA7,2364118%
Swan, IA694118%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
San Pierre, IN693138%
Reserve, KS694510%
Starkville, CO691570%
Welda, KS692354%
Dwight, ND693530%
Swan, IA694118%
Source: The Swan, 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.