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Onslow 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
January10°F29°F19°F1.4"
February12°F32°F22°F1.9"
March25°F47°F36°F2.3"
April36°F62°F49°F4.9"
May47°F72°F59°F4.5"
June58°F81°F69°F5.3"
July61°F84°F72°F6.9"
August59°F81°F70°F4.2"
September51°F76°F63°F3.2"
October40°F63°F51°F3.4"
November28°F49°F38°F2.2"
December15°F33°F24°F2.5"

Did you know?

  • The highest monthly average temperature in Onslow for July is 72 degrees.
  • The lowest monthly average temperature in Onslow for January is 19 degrees.
  • The most monthly precipitation in Onslow occurs in July with 6.9 inches.
  • The air quality index in Onslow is 15% better than the national average.
  • The pollution index in Onslow is 89% better than the national average.

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Onslow 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.
IndexOnslowIowaNational
Air quality index423950
Pollution index551,5541,643,8365,066,862

Onslow 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

Onslow air quality information

PollutantTotal
Arsenic0.000%
Benzene0.010%
Carbon Tetrachloride0.001%
Lead0.002%
Mercury0.000%

Average monthly Onslow temperature with heat index

Onslow monthly precipitation with daily maximum

Onslow monthly snow depth with daily maximum

Onslow monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bernard, IA1273236%
Cascade, IA1,9783236%
Mechanicsville, IA1,0524216%
Olin, IA7214216%
Wyoming, IA4034216%
Onslow, IA2194216%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Smiths Ferry, ID2193628%
Sherrill, IA2193236%
Clear Lake, IL2193530%
Camp Sherman, OR2193236%
Meno, OK2194412%
Onslow, IA2194216%
Source: The Onslow, 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.