Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lancaster experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 30°F in January while summers reach 75°F in July. The area gets 293 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 40.2 inches. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 846 feet.
Temperature
30°F Jan (-1°C)75°F Jul (24°C)
Annual Average
53.2°F
1% below US avg
January Average
30°F (-1°C)
July Average
75°F (24°C)
Sunny Days
293 days/yr
Geography
Elevation
846 ft (258 m)
Area
18.9 sq mi (49.0 km²)
Population Density
2,148/sq mi
Coordinates
39.7252°N, 82.6052°W
Timezone
America/New_York
County
Fairfield County County
Nearest Airport
Rickenbacker International (LCK) 18 miles away
Precipitation & Snow
Annual Rainfall40.2"
6% above US avg
Wettest Month (May)4.29"
Driest Month (Feb)2.28"
Air Quality
AQI Median
43.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
72.6 / 100
Social Vulnerability
16.0 / 100
Community Resilience
86.5 / 100
Hazard Breakdown
Tornado
Relatively Moderate
Hurricane
Very Low
Earthquake
Very Low
Wildfire
Very Low
Flood
Relatively Moderate
Hail
Relatively Moderate
Strong Wind
Relatively Moderate
Heat Wave
Relatively Moderate
Winter Weather
Relatively Moderate
Lightning
Relatively High
Ice Storm
Relatively High
Drought
Relatively Moderate
Cold Wave
Relatively Low
Landslide
Relatively Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
24 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
100 km
10 km
Nov 20, 2013
2 km SW of Buchtel, Ohio
M3.5
46 km
8 km
Jun 3, 2017
1 km WNW of Batesville, Ohio
M3.4
114 km
2 km
May 24, 2017
1 km S of McArthur, Ohio
M3.4
56 km
10 km
Apr 24, 2009
7 km ENE of Rio Grande, Ohio
M3.4
96 km
8 km
Feb 3, 2025
2 km NNW of Oak Hill, Ohio
M3.1
90 km
26 km
Aug 31, 2011
3 km SE of Lowell, Ohio
M3.1
100 km
5 km
Apr 22, 2025
3 km ESE of Buffalo, Ohio
M3.1
98 km
5 km
Apr 24, 2025
3 km S of Pleasant City, Ohio
M3.1
92 km
6 km
Apr 2, 2017
5 km W of Graysville, Ohio
M3.0
117 km
4 km
Apr 25, 2020
2 km SE of South Shore, Kentucky
M2.9
117 km
27 km
May 9, 2025
3 km S of Pleasant City, Ohio
M2.9
92 km
5 km
May 6, 2002
3 km SE of Racine, Ohio
M2.8
106 km
5 km
Aug 31, 2011
2 km NNW of Belmont, West Virginia
M2.8
120 km
5 km
Apr 29, 2025
1 km SE of Pleasant City, Ohio
M2.8
94 km
2 km
Feb 3, 2025
0 km NE of Reno, Ohio
M2.8
111 km
10 km
Jun 6, 2014
13 km NNE of Sissonville, West Virginia
M2.6
149 km
30 km
Sep 4, 2011
3 km N of Saint Marys, West Virginia
M2.6
125 km
5 km
Mar 8, 2016
0 km N of Thurman, Ohio
M2.6
92 km
20 km
Feb 11, 2015
8 km SE of Richmond Dale, Ohio
M2.6
65 km
20 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
317 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF3. Total: 12 fatalities, 356 injuries.
Date
Rating
Distance
Path
Fatalities
Sep 16, 2010
EF3
94 km
9.1 mi
1
Oct 13, 1999
EF3
35 km
3.6 mi
0
May 31, 1985
EF3
50 km
29.0 mi
1
Jun 13, 1981
EF3
90 km
3.8 mi
4
Feb 22, 1971
EF3
39 km
6.8 mi
0
Sep 3, 1970
EF3
32 km
2.3 mi
0
Nov 16, 1965
EF3
79 km
3.8 mi
0
Jun 5, 2024
EF2
59 km
1.3 mi
0
Apr 2, 2024
EF2
71 km
1.9 mi
0
Feb 28, 2024
EF2
38 km
14.0 mi
0
Jun 8, 2022
EF2
41 km
9.1 mi
0
Oct 15, 2021
EF2
74 km
0.9 mi
0
May 27, 2019
EF2
26 km
5.3 mi
0
Apr 20, 2011
EF2
35 km
3.9 mi
0
Sep 16, 2010
EF2
47 km
3.3 mi
0
Sep 16, 2010
EF2
18 km
7.0 mi
0
Oct 11, 2006
EF2
44 km
0.5 mi
0
Oct 11, 2006
EF2
44 km
0.5 mi
0
Jul 10, 2003
EF2
98 km
2.5 mi
0
May 8, 2002
EF2
98 km
3.0 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
48 km
2021
LONG RIDGE RX UNIT 1-12
1,037
45 km
2022
LONG RIDGE RX UNIT 11-19
936
45 km
2022
LONG RIDGE RX UNIT 24
709
51 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
30°F (-1°C)
2.4 in
Coldest
February
30°F (-1°C)
2.3 in
Driest
March
40°F (5°C)
3.3 in
April
50°F (10°C)
3.5 in
May
61°F (16°C)
4.3 in
Wettest
June
69°F (21°C)
3.7 in
July
75°F (24°C)
4.2 in
Warmest
August
72°F (22°C)
3.9 in
September
65°F (18°C)
3.0 in
October
54°F (12°C)
2.5 in
November
43°F (6°C)
3.2 in
December
33°F (1°C)
2.9 in
Lancaster has a seasonal temperature swing of 45°F / from 30°F in January to 75°F in July. Total annual precipitation is 39.0 inches, with May being the wettest month (4.3") and February the driest (2.3").