Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Manorville experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 30°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 50.0 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 54 feet.
Temperature
30°F Jan (-1°C)73°F Jul (23°C)
Annual Average
51.3°F
5% below US avg
January Average
30°F (-1°C)
July Average
73°F (23°C)
Sunny Days
275 days/yr
Geography
Elevation
54 ft (16 m)
Area
25.5 sq mi (65.9 km²)
Population Density
501/sq mi
Coordinates
40.8623°N, 72.7875°W
Timezone
America/New_York
County
Suffolk County County
Nearest Airport
John F Kennedy International (JFK) 54 miles away
Precipitation & Snow
Annual Rainfall50.0"
32% above US avg
Wettest Month (Nov)4.13"
Driest Month (Jun)3.03"
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
15 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.3.
Jun 16, 2000
5 km NE of Granville, Massachusetts
M3.3
138 km
10 km
Jan 12, 2015
0 km NE of Wauregan, Connecticut
M3.3
123 km
5 km
Jan 9, 1992
4 km WNW of Robertsville, New Jersey
M3.1
142 km
8 km
Apr 9, 2019
63 km SSE of Sagaponack, New York
M3.0
85 km
7 km
Aug 3, 2025
0 km W of Little Ferry, New Jersey
M3.0
106 km
10 km
Oct 28, 1991
3 km WNW of Stamford, Connecticut
M3.0
70 km
10 km
Feb 3, 2009
1 km ESE of Victory Gardens, New Jersey
M3.0
146 km
0 km
Aug 5, 2025
1 km N of Hillsdale, New Jersey
M2.8
106 km
12 km
Mar 10, 1992
2 km SW of Napeague, New York
M2.8
61 km
10 km
Apr 12, 1991
2 km ENE of North Castle, New York
M2.7
79 km
9 km
Aug 14, 2014
6 km SW of Deep River Center, Connecticut
M2.7
59 km
4 km
Oct 27, 2001
1 km NNW of Manhattan, New York
M2.6
100 km
5 km
Aug 22, 2000
2 km WSW of Brewster Hill, New York
M2.6
94 km
7 km
Jan 13, 2015
2 km E of Wauregan, Connecticut
M2.6
124 km
9 km
Jan 15, 1992
5 km NNE of Tuxedo Park, New York
M2.5
123 km
7 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
5 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
223 km
2014
Arthur
Category 1
81 mph
225 km
2012
Sandy
Category 1
92 mph
287 km
1991
Bob
Category 2
109 mph
80 km
1985
Gloria
Category 2
98 mph
52 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
126 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 3 fatalities, 226 injuries.
Date
Rating
Distance
Path
Fatalities
Jul 10, 1989
EF4
58 km
3.0 mi
0
Jul 29, 1971
EF3
80 km
0.1 mi
0
May 24, 1962
EF3
81 km
11.6 mi
1
Aug 21, 1951
EF3
83 km
0.1 mi
0
Jul 12, 2006
EF2
94 km
10.1 mi
0
Aug 8, 1999
EF2
27 km
4.0 mi
0
Sep 7, 1998
EF2
79 km
0.2 mi
0
Jul 10, 1989
EF2
87 km
5.0 mi
0
Jul 10, 1989
EF2
5 km
0.2 mi
0
Jul 10, 1989
EF2
97 km
0.5 mi
0
Jul 5, 1984
EF2
91 km
3.0 mi
0
Sep 18, 1973
EF2
83 km
0.1 mi
0
Sep 18, 1973
EF2
65 km
1.9 mi
0
Aug 31, 1973
EF2
97 km
0.1 mi
0
Jun 12, 1973
EF2
89 km
1.5 mi
0
Jul 29, 1971
EF2
99 km
4.5 mi
0
Jul 19, 1971
EF2
60 km
1.5 mi
0
Sep 27, 1970
EF2
63 km
0.5 mi
0
Jul 15, 1970
EF2
95 km
2.0 mi
0
Oct 24, 1955
EF2
74 km
0.5 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
—
27 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
4 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
30°F (-1°C)
3.8 in
Coldest
February
32°F (-0°C)
3.5 in
March
39°F (4°C)
4.1 in
April
48°F (9°C)
3.9 in
May
58°F (15°C)
3.6 in
June
67°F (20°C)
3.0 in
Driest
July
73°F (23°C)
3.2 in
Warmest
August
72°F (22°C)
4.0 in
September
65°F (18°C)
3.3 in
October
54°F (12°C)
3.4 in
November
45°F (7°C)
4.1 in
Wettest
December
36°F (2°C)
4.1 in
Manorville has a seasonal temperature swing of 43°F / from 30°F in January to 73°F in July. Total annual precipitation is 44.1 inches, with November being the wettest month (4.1") and June the driest (3.0").