St. Joseph, LA Weather - Forecast & Monthly Averages

TEMPERATURE	66
HUMIDITY	27
PRESSURE	102030
WIND COND.	290 18.4

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Weather Quick Facts

The highest monthly average temperature in St. Joseph for August is 80 degrees
The lowest monthly average temperature in St. Joseph for January is 48.2 degrees
The most monthly precipitation in St. Joseph occurs in March with 7.6 inches
The air quality index in St. Joseph is 19% better than the national average
The pollution index in St. Joseph is 86% better than the national average

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St. Joseph 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	39°F	60°F	48°F	6.3"
February	42°F	63°F	51°F	5.5"
March	50°F	71°F	59°F	7.6"
April	56°F	78°F	66°F	5.7"
May	63°F	84°F	72°F	5.2"
June	70°F	90°F	79°F	4.4"
July	72°F	90°F	80°F	6.6"
August	72°F	91°F	80°F	7.0"
September	67°F	86°F	75°F	4.0"
October	56°F	78°F	66°F	3.8"
November	46°F	69°F	56°F	4.0"
December	42°F	62°F	51°F	5.7"

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St. Joseph 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	St. Joseph	Louisiana	National
Air quality index	34	106	42
Pollution index	387,875	2,526,475	2,726,193

St. Joseph air quality

Measurement	Total
Days measured	363
Days with good air quality	335
Days with moderate air quality	28
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.010%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly St. Joseph temperature with heat index

St. Joseph monthly precipitation with daily maximum

St. Joseph monthly snow depth with daily maximum

St. Joseph monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Spokane, LA	442	30	40.0%
Newellton, LA	1,047	34	32.0%
Waterproof, LA	901	34	32.0%
Fayette, MS	1,530	44	12.0%
Alcorn State University, MS	991	44	12.0%
St. Joseph, LA	789	34	32.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Leighton, AL	789	37	26.0%
New Hartford, IA	789	39	22.0%
Bartelso, IL	789	43	14.0%
Livingston, IL	789	54	8.0%
Cheneyville, LA	789	30	40.0%
St. Joseph, LA	789	34	32.0%

Source: The St. Joseph, 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.