Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Brocton experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 27°F in January while summers reach 72°F in July. The area gets 246 sunny days per year, above the national average. Annual precipitation totals 45.7 inches. Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 719 feet.
Temperature
27°F Jan (-3°C)72°F Jul (22°C)
Annual Average
50.2°F
7% below US avg
January Average
27°F (-3°C)
July Average
72°F (22°C)
Sunny Days
246 days/yr
Geography
Elevation
719 ft (219 m)
Area
1.7 sq mi (4.4 km²)
Population Density
773/sq mi
Coordinates
42.3897°N, 79.4428°W
Timezone
America/New_York
County
Chautauqua County County
Nearest Airport
Erie International/Tom Ridge Field (ERI) 43 miles away
Precipitation & Snow
Annual Rainfall45.7"
20% above US avg
Wettest Month (Sep)4.72"
Driest Month (Feb)2.20"
Air Quality
AQI Median
36.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
84.6 / 100
Social Vulnerability
70.3 / 100
Community Resilience
89.9 / 100
Hazard Breakdown
Tornado
Relatively Moderate
Hurricane
Relatively Low
Earthquake
Very Low
Wildfire
Very Low
Flood
Relatively Moderate
Hail
Very Low
Strong Wind
Relatively High
Heat Wave
Very Low
Winter Weather
Relatively Moderate
Lightning
Relatively High
Ice Storm
Relatively Moderate
Drought
No Rating
Cold Wave
Relatively Moderate
Landslide
Very Low
Coastal Flood
Very Low
Avalanche
Very 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: M4.5.
Sep 25, 1998
2 km SW of Adamsville, Pennsylvania
M4.5
127 km
5 km
Jan 26, 2001
8 km NNW of Edgewood, Ohio
M3.9
123 km
5 km
Feb 6, 2023
1 km NE of West Seneca, New York
M3.8
75 km
6 km
Aug 28, 2023
7 km SE of Madison, Ohio
M3.6
146 km
5 km
Jun 3, 2001
3 km N of Edgewood, Ohio
M3.4
122 km
5 km
May 25, 1995
3 km NW of Amherst, New York
M3.0
84 km
5 km
Jun 16, 2004
11 km NNW of Angola on the Lake, New York
M2.9
51 km
6 km
Jun 5, 2009
4 km SSE of Attica, New York
M2.9
109 km
5 km
Feb 23, 1995
3 km W of Ashtabula, Ohio
M2.9
128 km
5 km
Mar 28, 2005
16 km NW of Virgil, Canada
M2.8
104 km
7 km
Mar 8, 2008
5 km ENE of Clarence Center, New York
M2.7
101 km
6 km
Dec 21, 2009
10 km NNE of Olcott, New York
M2.7
132 km
8 km
Mar 29, 2020
11 km N of Lyndonville, New York
M2.6
145 km
5 km
Jun 1, 2024
1 km E of Madison, Ohio
M2.6
148 km
5 km
Jan 20, 2001
0 km NNW of Edgewood, Ohio
M2.6
124 km
5 km
Feb 14, 2009
4 km WSW of Geneva-on-the-Lake, Ohio
M2.6
142 km
5 km
Mar 15, 2022
5 km SSW of Warsaw, New York
M2.6
111 km
5 km
Jan 5, 2024
3 km SE of Madison, Ohio
M2.6
148 km
9 km
Sep 20, 2009
20 km ESE of Oakville, Canada
M2.6
111 km
4 km
Jul 11, 2017
11 km NNW of Barker, New York
M2.5
135 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
138 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 15 fatalities, 144 injuries.
Date
Rating
Distance
Path
Fatalities
May 31, 1985
EF4
95 km
29.0 mi
7
May 31, 1985
EF4
66 km
28.0 mi
0
May 31, 1985
EF4
91 km
29.0 mi
4
May 31, 1985
EF3
44 km
13.0 mi
0
May 31, 1985
EF3
96 km
23.0 mi
2
May 31, 1985
EF3
79 km
17.0 mi
0
May 31, 1985
EF3
80 km
8.0 mi
0
May 2, 1983
EF3
30 km
28.0 mi
2
Jun 2, 1971
EF3
81 km
29.3 mi
0
Aug 19, 1970
EF3
56 km
2.3 mi
0
Jun 20, 1969
EF3
44 km
84.1 mi
0
Jul 24, 1967
EF3
64 km
11.4 mi
0
May 15, 1961
EF3
77 km
3.0 mi
0
Jul 10, 2024
EF2
53 km
3.2 mi
0
Jul 28, 2022
EF2
95 km
10.0 mi
0
Apr 14, 2019
EF2
68 km
18.0 mi
0
Jul 20, 2017
EF2
62 km
6.1 mi
0
Nov 14, 2011
EF2
16 km
2.9 mi
0
Nov 14, 2011
EF2
7 km
4.1 mi
0
Jul 24, 2010
EF2
16 km
7.6 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km.
Highest wave on record: 2.7 m (9 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1823
LAKE ERIE
Unknown
2.7 m
—
129 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
2 wildfires (100+ acres) recorded within 100 km.
Largest: UNNAMED (628 acres, 1990).
Year
Name
Acres Burned
Distance
1990
UNNAMED
628
96 km
2021
UNNAMED
586
86 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
27°F (-3°C)
2.5 in
February
26°F (-3°C)
2.2 in
Coldest, Driest
March
33°F (1°C)
2.8 in
April
44°F (7°C)
3.3 in
May
55°F (13°C)
3.4 in
June
65°F (18°C)
3.9 in
July
72°F (22°C)
3.7 in
Warmest
August
69°F (20°C)
3.9 in
September
62°F (17°C)
4.7 in
Wettest
October
52°F (11°C)
4.0 in
November
41°F (5°C)
4.3 in
December
31°F (-0°C)
3.5 in
Brocton has a seasonal temperature swing of 46°F / from 26°F in February to 72°F in July. Total annual precipitation is 42.2 inches, with September being the wettest month (4.7") and February the driest (2.2").