Old Jefferson, LA Weather - Forecast & Monthly Averages

Get 300+ Local Insights for Any Address in Old Jefferson, LA

Get Access to 300+ Local Data Points

TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.

Weather Quick Facts

The highest monthly average temperature in Old Jefferson for August is 82.2 degrees
The lowest monthly average temperature in Old Jefferson for January is 52.8 degrees
The most monthly precipitation in Old Jefferson occurs in December with 9.3 inches
The air quality index in Old Jefferson is 7% worse than the national average
The pollution index in Old Jefferson is 29% better than the national average

Compare Old Jefferson, LA Weather

Write a review to give others more information about this area.

See all Old Jefferson poll results

Old Jefferson Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	44°F	65°F	53°F	5.2"
February	45°F	66°F	54°F	5.0"
March	51°F	74°F	62°F	3.1"
April	58°F	80°F	68°F	3.2"
May	66°F	86°F	75°F	5.7"
June	72°F	92°F	81°F	3.0"
July	74°F	92°F	82°F	5.2"
August	74°F	93°F	82°F	7.9"
September	70°F	89°F	78°F	6.9"
October	58°F	81°F	69°F	5.6"
November	49°F	73°F	59°F	2.7"
December	45°F	66°F	54°F	9.3"

The best places in Louisiana

Here are the best places to live in Louisiana

Most Dangerous States In The US

Check out the 10 safest cities in Louisiana

These are the largest cities in Louisiana

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.
Index	Old Jefferson	Louisiana	National
Air quality index	45	106	42
Pollution index	1,932,420	2,526,475	2,726,193

Old Jefferson air quality

Measurement	Total
Days measured	365
Days with good air quality	224
Days with moderate air quality	132
Days w/ poor A.Q. for sensitive groups	9
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.030%
Carbon Tetrachloride	0.060%
Lead	0.000%
Mercury	0.000%

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	Population	Air Quality Index	National Avg.
Port Vincent, LA	406	45	10.0%
Gonzales, LA	11,160	45	10.0%
Shenandoah, LA	21,716	45	10.0%
Baker, LA	13,684	45	10.0%
Gardere, LA	10,879	45	10.0%
Old Jefferson, LA	7,565	45	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Carneys Point, NJ	7,565	51	2.0%
Hastings, MI	7,564	38	24.0%
Mills River, NC	7,563	44	12.0%
Steele Creek, AK	7,567	38	24.0%
Green Hill, TN	7,567	45	10.0%
Old Jefferson, LA	7,565	45	10.0%

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.