Weather & Climate in St. Joseph, LA

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

St. Joseph enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 47°F in January while summers reach 82°F in July. The area gets 306 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 58.2 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 69 feet.

Temperature

47°F Jan (8°C) 82°F Jul (28°C)

Annual Average	65.5°F
	21% above US avg
January Average	47°F (8°C)
July Average	82°F (28°C)
Sunny Days	306 days/yr

Geography

Elevation	69 ft (21 m)
Area	0.3 sq mi (0.9 km²)
Population Density	797/sq mi
Coordinates	31.9203°N, 91.2400°W
Timezone	America/Chicago
County	Jefferson County County
Nearest Airport	Monroe Regional (MLU) 60 miles away

Precipitation & Snow

Annual Rainfall 58.2"

53% above US avg

Snowfall 0.0"

Wettest Month (Mar) 6.30"

Driest Month (Sep) 3.23"

Air Quality

AQI Median	42.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	11.3 / 100
Social Vulnerability	93.3 / 100
Community Resilience	26.9 / 100

Hazard Breakdown

Tornado	Relatively Low
Hurricane	Relatively Low
Earthquake	Very Low
Wildfire	Very Low
Flood	Very Low
Hail	Relatively Low
Strong Wind	Relatively Low
Heat Wave	Relatively Low
Winter Weather	Very Low
Lightning	Very Low
Ice Storm	Relatively Low
Drought	Relatively Low
Cold Wave	Very Low
Landslide	Relatively Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

8 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.

Jan 8, 2019	8 km WNW of Hollandale, Mississippi	M3.7	145 km	16 km
May 3, 2015	7 km SSW of Canton, Mississippi	M3.2	130 km	5 km
Jun 29, 2015	6 km SSW of Canton, Mississippi	M3.2	131 km	5 km
Aug 2, 2010	16 km ESE of Clinton, Louisiana	M3.0	128 km	0 km
May 3, 2015	8 km WSW of Canton, Mississippi	M3.0	129 km	5 km
Mar 15, 2025	5 km NNE of Magee, Mississippi	M3.0	145 km	10 km
Aug 9, 2019	Mississippi	M2.8	132 km	5 km
Aug 17, 2015	9 km N of Madison, Mississippi	M2.6	127 km	5 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

17 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.

Year	Name	Category	Max Wind	Closest
2024	Francine	Category 2	104 mph	260 km
2021	Ida	Category 4	121 mph	153 km
2020	Laura	Category 4	150 mph	176 km
2020	Zeta	Category 2	98 mph	229 km
2020	Delta	Category 2	98 mph	257 km
2019	Barry	Category 1	75 mph	274 km
2017	Nate	Category 1	75 mph	272 km
2012	Isaac	Category 1	75 mph	289 km
2008	Gustav	Category 2	98 mph	191 km
2007	Humberto	Category 1	92 mph	288 km
2005	Katrina	Category 3	127 mph	174 km
2002	Lili	Category 1	92 mph	236 km
1998	Georges	Category 2	109 mph	267 km
1992	Andrew	Category 3	115 mph	164 km
1985	Elena	Category 3	115 mph	193 km
1985	Danny	Category 1	92 mph	255 km
1985	Juan	Category 1	86 mph	258 km

Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

645 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 281 fatalities, 3,300 injuries.

Date	Rating	Distance	Path	Fatalities
Feb 21, 1971	EF5	56 km	109.2 mi	47
Mar 3, 1966	EF5	71 km	202.5 mi	58
Dec 5, 1953	EF5	56 km	9.0 mi	38
Apr 24, 2010	EF4	54 km	149.0 mi	10
Nov 21, 1992	EF4	96 km	128.0 mi	12
Mar 29, 1976	EF4	58 km	126.5 mi	0
Feb 21, 1971	EF4	89 km	202.1 mi	58
Feb 21, 1971	EF4	66 km	65.2 mi	13
Jan 23, 1969	EF4	32 km	117.8 mi	32
Dec 28, 2024	EF3	70 km	26.0 mi	0
Nov 29, 2022	EF3	78 km	7.9 mi	0
Dec 16, 2019	EF3	87 km	29.3 mi	0
Apr 15, 2011	EF3	91 km	16.5 mi	0
Sep 24, 2005	EF3	37 km	14.0 mi	0
Nov 23, 2004	EF3	95 km	15.0 mi	1
Nov 23, 2004	EF3	23 km	18.0 mi	0
Jan 21, 1999	EF3	34 km	22.0 mi	0
Nov 21, 1992	EF3	36 km	38.0 mi	0
Nov 21, 1992	EF3	68 km	3.0 mi	0
Dec 21, 1990	EF3	28 km	18.0 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (4,768 acres, 2013).

Year	Name	Acres Burned	Distance
2013	UNNAMED	4,768	73 km
2022	HOMOCHITTO BB51	4,411	62 km
2014	UNNAMED	4,022	79 km
2010	HOMOCHITTO BURN BLOCK 18	3,826	68 km
2010	HOMOCHITTO BURN BLOCK 25	3,676	63 km
2021	HOMOCHITTO - BB 7	3,028	56 km
2016	UNNAMED	2,802	56 km
2014	UNNAMED	2,666	68 km
2022	HOMOCHITTO BB24	2,458	73 km
2014	UNNAMED	2,444	68 km
2010	HOMOCHITTO BURN BLOCK 48	2,394	72 km
2024	HOMOCHITTO BB28 SUB3 RX	2,279	79 km
2016	UNNAMED	2,229	70 km
2022	HOMOCHITTO BB25	2,183	72 km
2010	HOMOCHITTO BURN BLOCK 21	2,182	69 km
2022	UNNAMED	2,143	61 km
2014	UNNAMED	2,111	64 km
2014	UNNAMED	2,071	73 km
2022	HOMOCHITTO BB 21 AND BBHB	2,021	69 km
2021	HOMOCHITTO BB26	2,008	77 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	47°F (8°C)	6.1 in	Coldest
February	50°F (10°C)	4.8 in
March	58°F (14°C)	6.3 in	Wettest
April	65°F (18°C)	5.4 in
May	73°F (23°C)	5.4 in
June	79°F (26°C)	4.2 in
July	82°F (28°C)	3.9 in	Warmest
August	81°F (27°C)	3.5 in
September	76°F (25°C)	3.2 in	Driest
October	66°F (19°C)	3.9 in
November	57°F (14°C)	5.0 in
December	50°F (10°C)	5.8 in

St. Joseph has a seasonal temperature swing of 35°F / from 47°F in January to 82°F in July. Total annual precipitation is 57.4 inches, with March being the wettest month (6.3") and September the driest (3.2").

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