TODAY OCT17
TEMPERATURE65
HUMIDITY93
PRESSURE30.2
WIND COND.30 11.4
  • 7661Thu
  • 8264Fri30%
  • 7356Sat40%40%
  • 7250Sun
  • 7256Mon20%20%
daynightWeather update from Lafayette, Lafayette Regional Airport at
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Grand Coteau 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
January44°F65°F53°F10.2"
February49°F70°F58°F7.3"
March56°F74°F64°F10.7"
April60°F80°F69°F12.3"
May65°F82°F73°F13.0"
June72°F87°F78°F9.4"
July73°F91°F81°F5.5"
August72°F91°F80°F16.1"
September67°F89°F77°F5.4"
October58°F83°F69°F15.2"
November53°F74°F62°F9.7"
December47°F65°F55°F10.6"

Did you know?

  • The highest monthly average temperature in Grand Coteau for July is 81 degrees.
  • The lowest monthly average temperature in Grand Coteau for January is 53 degrees.
  • The most monthly precipitation in Grand Coteau occurs in August with 16.1 inches.
  • The air quality index in Grand Coteau is 11% better than the national average.
  • The pollution index in Grand Coteau is 33% better than the national average.

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Grand Coteau 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.
IndexGrand CoteauLouisianaNational
Air quality index4410650
Pollution index3,383,3502,540,2835,066,862

Grand Coteau air quality information

MeasurementTotal
Days measured365
Days with good air quality230
Days with moderate air quality134
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

Grand Coteau air quality information

PollutantTotal
Arsenic0.003%
Benzene0.050%
Carbon Tetrachloride0.010%
Lead0.010%
Mercury0.001%

Average monthly Grand Coteau temperature with heat index

Grand Coteau monthly precipitation with daily maximum

Grand Coteau monthly snow depth with daily maximum

Grand Coteau monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Branch, LA2194412%
Cecilia, LA1,6744412%
Lafayette, LA125,8084412%
Ossun, LA1,9604412%
Scott, LA8,6874412%
Grand Coteau, LA1,0024412%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Eclectic, AL1,0023726%
Byrdstown, TN1,0023334%
Lake View, IA1,0024118%
Allenwood, NJ1,0024020%
Greenville, CA1,002468%
Grand Coteau, LA1,0024412%
Source: The Grand Coteau, LA 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.