Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hartford (Croton) experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 25°F in January while summers reach 72°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 44.2 inches. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 1,168 feet.
Temperature
25°F Jan (-4°C)72°F Jul (22°C)
Annual Average
50.0°F
7% below US avg
January Average
25°F (-4°C)
July Average
72°F (22°C)
Sunny Days
275 days/yr
Geography
Elevation
1,168 ft (356 m)
Area
0.2 sq mi (0.5 km²)
Population Density
781/sq mi
Coordinates
40.2399°N, 82.6908°W
Timezone
America/New_York
County
Licking County County
Nearest Airport
John Glenn Columbus International (CMH) 20 miles away
Precipitation & Snow
Annual Rainfall44.2"
16% above US avg
Wettest Month (Jul)4.45"
Driest Month (Feb)2.13"
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
22 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
141 km
10 km
Nov 20, 2013
2 km SW of Buchtel, Ohio
M3.5
98 km
8 km
Jun 3, 2017
1 km WNW of Batesville, Ohio
M3.4
124 km
2 km
May 24, 2017
1 km S of McArthur, Ohio
M3.4
114 km
10 km
Aug 31, 2011
3 km SE of Lowell, Ohio
M3.1
132 km
5 km
Feb 3, 2025
2 km NNW of Oak Hill, Ohio
M3.1
147 km
26 km
Apr 22, 2025
3 km ESE of Buffalo, Ohio
M3.1
110 km
5 km
Apr 24, 2025
3 km S of Pleasant City, Ohio
M3.1
106 km
6 km
Apr 2, 2017
5 km W of Graysville, Ohio
M3.0
139 km
4 km
Jun 5, 2011
5 km W of Lodi, Ohio
M3.0
102 km
5 km
Apr 4, 1994
2 km WNW of Minster, Ohio
M2.9
146 km
5 km
May 9, 2025
3 km S of Pleasant City, Ohio
M2.9
106 km
5 km
May 12, 2006
2 km E of Lima, Ohio
M2.8
130 km
5 km
Apr 29, 2025
1 km SE of Pleasant City, Ohio
M2.8
106 km
2 km
Feb 3, 2025
0 km NE of Reno, Ohio
M2.8
147 km
10 km
Nov 25, 1998
1 km SSW of New London, Ohio
M2.7
96 km
5 km
May 17, 2010
2 km S of Boston Heights, Ohio
M2.7
149 km
5 km
May 14, 2010
1 km ENE of Gibsonburg, Ohio
M2.7
138 km
5 km
Mar 8, 2016
0 km N of Thurman, Ohio
M2.6
150 km
20 km
Feb 11, 2015
8 km SE of Richmond Dale, Ohio
M2.6
121 km
20 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
388 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF3. Total: 15 fatalities, 430 injuries.
Date
Rating
Distance
Path
Fatalities
Nov 10, 2002
EF3
74 km
9.0 mi
0
Oct 13, 1999
EF3
75 km
3.6 mi
0
May 31, 1985
EF3
8 km
29.0 mi
1
Jun 13, 1981
EF3
34 km
3.8 mi
4
May 10, 1973
EF3
97 km
89.6 mi
0
Feb 22, 1971
EF3
36 km
6.8 mi
0
Sep 3, 1970
EF3
70 km
2.3 mi
0
Apr 11, 1965
EF3
100 km
15.0 mi
4
Jun 5, 2024
EF2
49 km
1.3 mi
0
Mar 14, 2024
EF2
72 km
19.5 mi
0
Mar 14, 2024
EF2
83 km
10.3 mi
0
Feb 28, 2024
EF2
27 km
14.0 mi
0
Jun 8, 2022
EF2
96 km
9.1 mi
0
May 27, 2019
EF2
81 km
5.3 mi
0
Apr 14, 2019
EF2
67 km
17.0 mi
0
Nov 5, 2017
EF2
55 km
1.1 mi
0
Sep 4, 2017
EF2
63 km
16.7 mi
0
Apr 20, 2011
EF2
30 km
3.9 mi
0
Sep 16, 2010
EF2
86 km
11.5 mi
0
Sep 16, 2010
EF2
100 km
3.3 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
3 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
97 km
2021
LONG RIDGE RX UNIT 1-12
1,037
94 km
2022
LONG RIDGE RX UNIT 11-19
936
94 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
25°F (-4°C)
2.3 in
Coldest
February
28°F (-2°C)
2.1 in
Driest
March
38°F (4°C)
3.1 in
April
49°F (9°C)
3.5 in
May
59°F (15°C)
4.1 in
June
68°F (20°C)
4.1 in
July
72°F (22°C)
4.5 in
Warmest, Wettest
August
70°F (21°C)
3.7 in
September
64°F (18°C)
3.2 in
October
52°F (11°C)
2.5 in
November
42°F (5°C)
3.4 in
December
31°F (-0°C)
3.0 in
Hartford (Croton) has a seasonal temperature swing of 47°F / from 25°F in January to 72°F in July. Total annual precipitation is 39.6 inches, with July being the wettest month (4.5") and February the driest (2.1").