Temperature, precipitation, air quality, natural hazards, and monthly weather data.
St. Louisville experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 27°F in January while summers reach 73°F in July. The area gets 275 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 43.4 inches. The area receives 15.2 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 904 feet.
Temperature
27°F Jan (-3°C)73°F Jul (23°C)
Annual Average
50.7°F
6% below US avg
January Average
27°F (-3°C)
July Average
73°F (23°C)
Sunny Days
275 days/yr
Geography
Elevation
904 ft (276 m)
Area
0.3 sq mi (0.6 km²)
Population Density
1,356/sq mi
Coordinates
40.1711°N, 82.4181°W
Timezone
America/New_York
County
Licking County County
Nearest Airport
John Glenn Columbus International (CMH) 28 miles away
Precipitation & Snow
Annual Rainfall43.4"
14% above US avg
Snowfall15.2"
Wettest Month (Jul)4.45"
Driest Month (Feb)2.32"
Air Quality
AQI Median
43.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
78.9 / 100
Social Vulnerability
19.2 / 100
Community Resilience
83.9 / 100
Hazard Breakdown
Tornado
Relatively Low
Hurricane
Very Low
Earthquake
Relatively Low
Wildfire
Very Low
Flood
Relatively Moderate
Hail
Relatively High
Strong Wind
Relatively High
Heat Wave
Relatively Moderate
Winter Weather
Relatively High
Lightning
Relatively High
Ice Storm
Relatively High
Drought
Relatively Moderate
Cold Wave
Relatively Low
Landslide
Relatively Moderate
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
26 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.6.
Feb 19, 1995
8 km SSE of Rocky Fork Point, Ohio
M3.6
148 km
10 km
Nov 20, 2013
2 km SW of Buchtel, Ohio
M3.5
83 km
8 km
Jun 3, 2017
1 km WNW of Batesville, Ohio
M3.4
100 km
2 km
Apr 24, 2009
7 km ENE of Rio Grande, Ohio
M3.4
142 km
8 km
May 24, 2017
1 km S of McArthur, Ohio
M3.4
105 km
10 km
Feb 3, 2025
2 km NNW of Oak Hill, Ohio
M3.1
140 km
26 km
Aug 31, 2011
3 km SE of Lowell, Ohio
M3.1
109 km
5 km
Apr 22, 2025
3 km ESE of Buffalo, Ohio
M3.1
85 km
5 km
Apr 24, 2025
3 km S of Pleasant City, Ohio
M3.1
81 km
6 km
Mar 30, 2024
2 km SSW of Maple Ridge, Ohio
M3.0
141 km
6 km
Apr 2, 2017
5 km W of Graysville, Ohio
M3.0
115 km
4 km
Jun 5, 2011
5 km W of Lodi, Ohio
M3.0
100 km
5 km
Aug 7, 2000
2 km S of Limaville, Ohio
M2.9
138 km
5 km
May 9, 2025
3 km S of Pleasant City, Ohio
M2.9
82 km
5 km
May 6, 2002
3 km SE of Racine, Ohio
M2.8
143 km
5 km
Aug 31, 2011
2 km NNW of Belmont, West Virginia
M2.8
130 km
5 km
Apr 29, 2025
1 km SE of Pleasant City, Ohio
M2.8
82 km
2 km
Feb 3, 2025
0 km NE of Reno, Ohio
M2.8
125 km
10 km
May 17, 2010
2 km S of Boston Heights, Ohio
M2.7
141 km
5 km
Nov 25, 1998
1 km SSW of New London, Ohio
M2.7
100 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
362 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF3. Total: 11 fatalities, 363 injuries.
Date
Rating
Distance
Path
Fatalities
Nov 10, 2002
EF3
98 km
9.0 mi
0
Oct 13, 1999
EF3
80 km
3.6 mi
0
May 31, 1985
EF3
26 km
29.0 mi
1
Jun 13, 1981
EF3
55 km
3.8 mi
4
Feb 22, 1971
EF3
49 km
6.8 mi
0
Sep 3, 1970
EF3
75 km
2.3 mi
0
Jun 5, 2024
EF2
25 km
1.3 mi
0
Mar 14, 2024
EF2
97 km
19.5 mi
0
Mar 14, 2024
EF2
96 km
10.3 mi
0
Feb 28, 2024
EF2
38 km
14.0 mi
0
Jun 8, 2022
EF2
93 km
9.1 mi
0
May 27, 2019
EF2
78 km
5.3 mi
0
Apr 14, 2019
EF2
78 km
17.0 mi
0
Nov 5, 2017
EF2
70 km
1.1 mi
0
Sep 4, 2017
EF2
79 km
16.7 mi
0
Apr 20, 2011
EF2
17 km
3.9 mi
0
Sep 16, 2010
EF2
46 km
7.0 mi
0
Sep 16, 2010
EF2
86 km
3.3 mi
0
Sep 16, 2010
EF2
77 km
11.5 mi
0
Oct 11, 2006
EF2
72 km
0.5 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
4 wildfires (100+ acres) recorded within 100 km.
Largest: LONG RIDGE RX UNIT 37-38 (1,050 acres, 2022).
Year
Name
Acres Burned
Distance
2022
LONG RIDGE RX UNIT 37-38
1,050
81 km
2021
LONG RIDGE RX UNIT 1-12
1,037
79 km
2022
LONG RIDGE RX UNIT 11-19
936
79 km
2022
LONG RIDGE RX UNIT 24
709
85 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
27°F (-3°C)
2.4 in
Coldest
February
28°F (-2°C)
2.3 in
Driest
March
39°F (4°C)
3.4 in
April
49°F (9°C)
3.6 in
May
59°F (15°C)
4.2 in
June
68°F (20°C)
4.1 in
July
73°F (23°C)
4.5 in
Warmest, Wettest
August
70°F (21°C)
3.7 in
September
64°F (18°C)
3.3 in
October
52°F (11°C)
2.6 in
November
42°F (5°C)
3.4 in
December
32°F (-0°C)
3.0 in
St. Louisville has a seasonal temperature swing of 45°F / from 27°F in January to 73°F in July. Total annual precipitation is 40.2 inches, with July being the wettest month (4.5") and February the driest (2.3").