Weather & Climate in Sayreville, NJ

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Sayreville experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 32°F in January while summers reach 76°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 49.5 inches (wetter than the 38-inch national average). The area receives 29.0 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 39. The city sits at an elevation of 26 feet.

Temperature

32°F Jan (-0°C) 76°F Jul (25°C)

Annual Average	53.8°F
	0% below US avg
January Average	32°F (-0°C)
July Average	76°F (25°C)
Sunny Days	275 days/yr

Geography

Elevation	26 ft (8 m)
Area	18.7 sq mi (48.4 km²)
Population Density	2,858/sq mi
Coordinates	40.4669°N, 74.3202°W
Timezone	America/New_York
County	Middlesex County County
Nearest Airport	Central Jersey Regional (JVI) 15 miles away

Precipitation & Snow

Annual Rainfall 49.5"

30% above US avg

Snowfall 29.0"

Wettest Month (Jul) 4.72"

Driest Month (Feb) 3.07"

Air Quality

AQI Median	39.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively High
Risk Score	97.8 / 100
Social Vulnerability	47.4 / 100
Community Resilience	45.5 / 100

Hazard Breakdown

Tornado	Relatively High
Hurricane	Relatively Moderate
Earthquake	Relatively Moderate
Wildfire	Relatively Low
Flood	Relatively High
Hail	Relatively Low
Strong Wind	Very High
Heat Wave	Relatively Moderate
Winter Weather	Very High
Lightning	Relatively Moderate
Ice Storm	Very High
Drought	Relatively Moderate
Cold Wave	Relatively High
Landslide	Relatively Low
Coastal Flood	Relatively High

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

29 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.

Apr 5, 2024	2024 Tewksbury, New Jersey Earthquake	M4.8	45 km	3 km
Jan 16, 1994	2 km W of Sinking Spring, Pennsylvania	M4.6	146 km	5 km
Jan 16, 1994	0 km E of Sinking Spring, Pennsylvania	M4.2	144 km	5 km
Apr 5, 2024	7 km WSW of Gladstone, New Jersey	M3.7	44 km	4 km
Oct 23, 1990	3 km W of Hancocks Bridge, New Jersey	M3.2	147 km	10 km
Aug 26, 2003	4 km NNW of Milford, New Jersey	M3.1	68 km	3 km
Jan 9, 1992	4 km WNW of Robertsville, New Jersey	M3.1	12 km	8 km
Aug 3, 2025	0 km W of Little Ferry, New Jersey	M3.0	49 km	10 km
Oct 28, 1991	3 km WNW of Stamford, Connecticut	M3.0	92 km	10 km
Feb 3, 2009	1 km ESE of Victory Gardens, New Jersey	M3.0	48 km	0 km
Jan 16, 1994	0 km SSE of Sinking Spring, Pennsylvania	M2.9	144 km	5 km
May 24, 2024	6 km E of Califon, New Jersey	M2.9	46 km	7 km
Apr 27, 2024	7 km WSW of Gladstone, New Jersey	M2.9	44 km	5 km
Aug 5, 2025	1 km N of Hillsdale, New Jersey	M2.8	65 km	12 km
May 10, 1993	1 km NW of Whitfield, Pennsylvania	M2.8	144 km	5 km
Jul 1, 2009	3 km ESE of Pennsville, New Jersey	M2.8	135 km	5 km
Apr 12, 1991	2 km ENE of North Castle, New York	M2.7	95 km	9 km
Jan 25, 2015	4 km ESE of Downingtown, Pennsylvania	M2.6	125 km	2 km
Jul 5, 1996	2 km NW of Chester Heights, Pennsylvania	M2.6	117 km	18 km
Apr 5, 2024	6 km ESE of Califon, New Jersey	M2.6	45 km	6 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
2014	Arthur	Category 1	81 mph	283 km
2012	Sandy	Category 1	92 mph	260 km
2011	Irene	Category 1	75 mph	270 km
1991	Bob	Category 2	109 mph	181 km
1985	Gloria	Category 2	98 mph	80 km

Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

247 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 13 fatalities, 173 injuries.

Date	Rating	Distance	Path	Fatalities
Jul 29, 2021	EF3	69 km	3.4 mi	0
Oct 18, 1990	EF3	38 km	0.5 mi	0
Jul 14, 1988	EF3	98 km	7.2 mi	0
Jul 21, 1983	EF3	89 km	0.2 mi	0
Sep 26, 1977	EF3	20 km	5.9 mi	0
Mar 21, 1976	EF3	92 km	0.5 mi	0
May 28, 1973	EF3	54 km	0.4 mi	0
May 28, 1973	EF3	40 km	0.4 mi	0
Jun 24, 1960	EF3	44 km	12.9 mi	0
Apr 1, 2023	EF2	35 km	2.1 mi	0
Apr 1, 2023	EF2	45 km	0.1 mi	0
Apr 1, 2023	EF2	35 km	1.6 mi	0
Feb 21, 2023	EF2	39 km	5.8 mi	0
Sep 1, 2021	EF2	88 km	8.3 mi	1
Jul 29, 2021	EF2	55 km	6.3 mi	0
Jul 29, 2021	EF2	80 km	4.2 mi	0
Aug 4, 2020	EF2	69 km	20.8 mi	0
Jul 29, 2009	EF2	91 km	7.4 mi	0
Jul 29, 2009	EF2	94 km	4.6 mi	0
Aug 8, 2007	EF2	25 km	5.9 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

3 tsunamis 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	—	109 km
1895	HIGH BRIDGE, NJ	Earthquake	—	—	53 km
1840	PHILADELPHIA, PENNSYLVANIA	Earthquake	—	—	105 km

Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (23,000 acres, 1985).

Year	Name	Acres Burned	Distance
1985	UNNAMED	23,000	83 km
1995	GREENWOOD STATE FOREST	21,271	70 km
2007	WARREN GROVE	15,315	86 km
2022	MULLICA RIVER FIRE	13,082	92 km
1999	BASS RIVER	12,129	90 km
2019	SPRING HILL FIRE	8,182	76 km
2023	ALLEN ROAD	6,213	92 km
1992	FORKED RIVER MOUTAIN APR	5,093	68 km
2024	JENNINGS CREEK	5,069	79 km
1992	POWER PLANT	4,928	71 km
1992	UNNAMED	4,470	55 km
2024	TEA TIME HILL	4,444	79 km
2006	UNNAMED	3,780	87 km
2017	PENN SWAMP FIRE	3,587	92 km
2023	JIMMYS WATER HOLE	3,585	52 km
1989	SIMM PLACE	3,262	77 km
2002	UNNAMED	2,824	53 km
2007	ATSION	2,705	90 km
1992	FOUR MILE COLONY	2,647	70 km
1996	UNNAMED	2,625	91 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	32°F (-0°C)	3.8 in	Coldest
February	33°F (0°C)	3.1 in	Driest
March	41°F (5°C)	4.1 in
April	51°F (10°C)	4.0 in
May	61°F (16°C)	4.3 in
June	69°F (21°C)	3.7 in
July	76°F (25°C)	4.7 in	Warmest, Wettest
August	73°F (23°C)	4.5 in
September	66°F (19°C)	4.1 in
October	55°F (13°C)	3.5 in
November	46°F (8°C)	4.0 in
December	36°F (2°C)	3.8 in

Sayreville has a seasonal temperature swing of 45°F / from 32°F in January to 76°F in July. Total annual precipitation is 47.8 inches, with July being the wettest month (4.7") and February the driest (3.1").

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