TODAY DEC09
TEMPERATURE63
HUMIDITY75
PRESSURE29.89
WIND COND.
  • 5430Tue90%80%
  • 4830Wed
  • 5438Thu40%
  • 4943Fri70%50%
  • 5439Sat30%20%
daynightWeather update from Decatur, Pryor Field at
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Decatur 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
January37°F54°F45°F8.1"
February35°F55°F44°F5.4"
March44°F67°F55°F5.9"
April49°F72°F59°F7.1"
May56°F82°F69°F2.9"
June66°F89°F77°F4.9"
July70°F89°F78°F7.2"
August72°F94°F82°F5.2"
September63°F88°F75°F7.8"
October51°F76°F63°F3.6"
November41°F65°F52°F8.0"
December35°F55°F44°F5.0"

Did you know?

  • The highest monthly average temperature in Decatur for August is 82 degrees.
  • The lowest monthly average temperature in Decatur for December is 44 degrees.
  • The most monthly precipitation in Decatur occurs in January with 8.1 inches.
  • The air quality index in Decatur is 26% better than the national average.
  • The pollution index in Decatur is 37% worse than the national average.

Compare Decatur, AL Weather To Other Cities

Decatur 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.
IndexDecaturAlabamaNational
Air quality index373750
Pollution index6,960,5304,051,2235,066,862

Decatur air quality information

MeasurementTotal
Days measured285
Days with good air quality259
Days with moderate air quality26
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Decatur air quality information

PollutantTotal
Arsenic0.010%
Benzene0.100%
Carbon Tetrachloride0.060%
Lead0.030%
Mercury0.010%

Average monthly Decatur temperature with heat index

Decatur monthly precipitation with daily maximum

Decatur monthly snow depth with daily maximum

Decatur monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Madison, AL46,3963726%
Triana, AL6443726%
Athens, AL24,4613726%
Mooresville, AL693726%
Trinity, AL2,1103726%
Decatur, AL55,4193726%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Hempstead, NY55,454536%
Anderson, IN55,3424216%
Weymouth Town, MA55,601476%
South Hill, WA55,1943138%
Pflugerville, TX55,7124118%
Decatur, AL55,4193726%
Source: The Decatur, AL 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.
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