TODAY OCT20
TEMPERATURE72
HUMIDITY97
PRESSURE30.04
WIND COND.70 3.4
  • 7954Sat50%
  • 7048Sun
  • 7360Mon
  • 7162Tue30%
  • 7564Wed
daynightWeather update from Baton Rouge, Baton Rouge Metropolitan, Ryan Field at
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Old Jefferson 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°F5.2"
February45°F66°F54°F5.0"
March51°F74°F62°F3.1"
April58°F80°F68°F3.2"
May66°F86°F75°F5.7"
June72°F92°F81°F3.0"
July74°F92°F82°F5.2"
August74°F93°F82°F7.9"
September70°F89°F78°F6.9"
October58°F81°F69°F5.6"
November49°F73°F59°F2.7"
December45°F66°F54°F9.3"

Did you know?

  • The highest monthly average temperature in Old Jefferson for August is 82 degrees.
  • The lowest monthly average temperature in Old Jefferson for January is 53 degrees.
  • The most monthly precipitation in Old Jefferson occurs in December with 9.3 inches.
  • The air quality index in Old Jefferson is 7% better than the national average.
  • The pollution index in Old Jefferson is 61% better than the national average.

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Old Jefferson 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.
IndexOld JeffersonLouisianaNational
Air quality index4610650
Pollution index1,932,4202,540,2835,066,862

Old Jefferson air quality information

MeasurementTotal
Days measured365
Days with good air quality227
Days with moderate air quality131
Days w/ poor A.Q. for sensitive groups7
Days with unhealthy air quality

Old Jefferson air quality information

PollutantTotal
Arsenic0.000%
Benzene0.030%
Carbon Tetrachloride0.060%
Lead0.000%
Mercury0.000%

Average monthly Old Jefferson temperature with heat index

Old Jefferson monthly precipitation with daily maximum

Old Jefferson monthly snow depth with daily maximum

Old Jefferson monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Baton Rouge, LA228,694468%
Central, LA28,017468%
Gonzales, LA10,492468%
Oak Hills Place, LA8,366468%
Prairieville, LA29,732468%
Old Jefferson, LA7,911468%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Camp Hill, PA7,912524%
Montrose, VA7,9093922%
Bastrop, TX7,9094118%
Broadview, IL7,9156020%
Ellwood City, PA7,9153138%
Old Jefferson, LA7,911468%
Source: The Old Jefferson, 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.