Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Southampton experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 31°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 49.8 inches (wetter than the 38-inch national average). The area receives 26.8 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 23 feet.
Temperature
31°F Jan (-1°C)72°F Jul (22°C)
Annual Average
50.8°F
6% below US avg
January Average
31°F (-1°C)
July Average
72°F (22°C)
Sunny Days
275 days/yr
Geography
Elevation
23 ft (7 m)
Area
7.2 sq mi (18.7 km²)
Population Density
699/sq mi
Coordinates
40.8766°N, 72.4031°W
Timezone
America/New_York
County
Suffolk County County
Nearest Airport
John F Kennedy International (JFK) 74 miles away
Precipitation & Snow
Annual Rainfall49.8"
31% above US avg
Snowfall26.8"
Wettest Month (Mar)4.37"
Driest Month (Jul)3.15"
Air Quality
AQI Median
36.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively High
Risk Score
97.3 / 100
Social Vulnerability
21.6 / 100
Community Resilience
94.1 / 100
Hazard Breakdown
Tornado
Relatively Moderate
Hurricane
Relatively High
Earthquake
Relatively Moderate
Wildfire
Relatively Low
Flood
Relatively High
Hail
Relatively Low
Strong Wind
Relatively High
Heat Wave
Relatively Moderate
Winter Weather
Very High
Lightning
Very High
Ice Storm
Very High
Drought
Very Low
Cold Wave
Relatively High
Landslide
Relatively Low
Coastal Flood
Very High
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
14 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.3.
Jan 12, 2015
0 km NE of Wauregan, Connecticut
M3.3
106 km
5 km
Jun 16, 2000
5 km NE of Granville, Massachusetts
M3.3
140 km
10 km
Mar 22, 1996
2 km NE of Bristol, Rhode Island
M3.1
133 km
12 km
Apr 9, 2019
63 km SSE of Sagaponack, New York
M3.0
64 km
7 km
Aug 3, 2025
0 km W of Little Ferry, New Jersey
M3.0
139 km
10 km
Oct 28, 1991
3 km WNW of Stamford, Connecticut
M3.0
101 km
10 km
Mar 10, 1992
2 km SW of Napeague, New York
M2.8
30 km
10 km
Aug 5, 2025
1 km N of Hillsdale, New Jersey
M2.8
138 km
12 km
Apr 12, 1991
2 km ENE of North Castle, New York
M2.7
109 km
9 km
Aug 14, 2014
6 km SW of Deep River Center, Connecticut
M2.7
53 km
4 km
Oct 27, 2001
1 km NNW of Manhattan, New York
M2.6
132 km
5 km
Aug 22, 2000
2 km WSW of Brewster Hill, New York
M2.6
119 km
7 km
Apr 22, 1996
3 km NE of North Westport, Massachusetts
M2.6
143 km
5 km
Jan 13, 2015
2 km E of Wauregan, Connecticut
M2.6
106 km
9 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
7 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 2.
Year
Name
Category
Max Wind
Closest
2021
Henri
Category 1
75 mph
203 km
2014
Arthur
Category 1
81 mph
207 km
2012
Sandy
Category 1
92 mph
295 km
2010
Earl
Category 1
—
297 km
1996
Edouard
Category 1
92 mph
281 km
1991
Bob
Category 2
109 mph
66 km
1985
Gloria
Category 2
98 mph
82 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
90 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 1 fatality, 105 injuries.
Date
Rating
Distance
Path
Fatalities
Jul 10, 1989
EF4
70 km
3.0 mi
0
Jul 29, 1971
EF3
92 km
0.1 mi
0
May 24, 1962
EF3
96 km
11.6 mi
1
Aug 21, 1951
EF3
79 km
0.1 mi
0
Aug 8, 1999
EF2
17 km
4.0 mi
0
Jul 10, 1989
EF2
32 km
0.2 mi
0
Jul 5, 1984
EF2
99 km
3.0 mi
0
Sep 18, 1973
EF2
91 km
0.1 mi
0
Sep 18, 1973
EF2
96 km
1.9 mi
0
Aug 31, 1973
EF2
99 km
0.1 mi
0
Jul 19, 1971
EF2
90 km
1.5 mi
0
Sep 27, 1970
EF2
94 km
0.5 mi
0
Oct 24, 1955
EF2
88 km
0.5 mi
0
Jul 12, 1950
EF2
78 km
10.0 mi
0
Aug 18, 2023
EF1
94 km
2.7 mi
0
Nov 13, 2021
EF1
40 km
5.3 mi
0
Nov 13, 2021
EF1
74 km
1.4 mi
0
Aug 27, 2020
EF1
80 km
11.1 mi
0
Oct 29, 2018
EF1
54 km
2.0 mi
0
Oct 2, 2018
EF1
97 km
3.8 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km.
Highest wave on record: 0.3 m (1 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1964
LONG ISLAND, NY
Meteorological
0.3 m
—
59 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
1 wildfire (100+ acres) recorded within 100 km.
Largest: CRESCENT BOW FIRE (1,068 acres, 2012).
Year
Name
Acres Burned
Distance
2012
CRESCENT BOW FIRE
1,068
36 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
31°F (-1°C)
4.1 in
Coldest
February
32°F (-0°C)
3.7 in
March
39°F (4°C)
4.4 in
Wettest
April
48°F (9°C)
4.1 in
May
57°F (14°C)
3.7 in
June
66°F (19°C)
3.2 in
July
72°F (22°C)
3.2 in
Warmest, Driest
August
72°F (22°C)
4.1 in
September
65°F (18°C)
3.7 in
October
55°F (13°C)
3.6 in
November
46°F (8°C)
4.4 in
December
36°F (2°C)
4.3 in
Southampton has a seasonal temperature swing of 41°F / from 31°F in January to 72°F in July. Total annual precipitation is 46.3 inches, with March being the wettest month (4.4") and July the driest (3.2").