Weather & Climate in Constantia, NY

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

Constantia experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 24°F in January while summers reach 72°F in July. Annual precipitation totals 39.9 inches. The area receives 127.8 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 32. 98% of days have good air quality. The city sits at an elevation of 428 feet.

Temperature

24°F Jan (-4°C) 72°F Jul (22°C)
Annual Average48.5°F
10% below US avg
January Average24°F (-4°C)
July Average72°F (22°C)

Geography

Elevation428 ft (130 m)
Area3.0 sq mi (7.8 km²)
Population Density464/sq mi
Coordinates43.2586°N, 76.0090°W
TimezoneAmerica/New_York
CountyOswego County County
Nearest AirportSyracuse Hancock International (SYR)
11 miles away

Precipitation & Snow

Annual Rainfall 39.9"
5% above US avg
Snowfall 127.8"
Wettest Month (Oct) 3.89"
Driest Month (Feb) 2.46"

Air Quality

AQI Median32.0
RatingGood
Good Days %98.3%
Unhealthy Days0

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score67.6 / 100
Social Vulnerability40.5 / 100
Community Resilience87.6 / 100

Hazard Breakdown

Tornado Relatively Low
Hurricane Relatively Low
Earthquake Relatively Low
Wildfire Very Low
Flood Relatively Moderate
Hail Very Low
Strong Wind Relatively Moderate
Heat Wave Relatively Low
Winter Weather Relatively High
Lightning Relatively Moderate
Ice Storm Relatively High
Drought No Rating
Cold Wave Very Low
Landslide Very Low
Coastal Flood Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

10 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.

Jun 17, 1991 7 km NE of Worcester, New York M4.0 129 km 5 km
Apr 23, 2023 New York M3.6 67 km 9 km
Jun 29, 2024 14 km W of Ellisburg, New York M3.3 57 km 5 km
Jul 31, 1997 0 km WSW of Lyons Falls, New York M3.2 66 km 5 km
Nov 7, 2002 13 km SSW of Belleville, Canada M3.0 144 km 18 km
Oct 13, 1997 18 km NW of Cranberry Lake, New York M3.0 148 km 4 km
Feb 27, 2008 2 km SW of Central Bridge, New York M2.7 148 km 6 km
Aug 11, 2007 4 km N of Kingston, Canada M2.6 119 km 4 km
Apr 14, 2023 1 km W of Adams Center, New York M2.6 67 km 6 km
Apr 11, 2007 6 km NNE of Sodus Point, New York M2.6 78 km 7 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.

Tornado History

115 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 9 fatalities, 21 injuries.

Date Rating Distance Path Fatalities
Aug 7, 2023 EF3 46 km 16.0 mi 0
May 2, 1983 EF3 57 km 3.0 mi 0
May 2, 1983 EF3 24 km 3.0 mi 0
May 2, 1983 EF3 51 km 20.0 mi 1
Jun 2, 1969 EF3 63 km 17.5 mi 0
Jul 16, 2024 EF2 42 km 5.3 mi 0
Jul 8, 2014 EF2 42 km 2.5 mi 4
Aug 21, 2011 EF2 67 km 7.9 mi 0
Apr 28, 2011 EF2 81 km 7.4 mi 0
May 16, 2009 EF2 59 km 5.7 mi 0
May 31, 1998 EF2 78 km 1.0 mi 0
Jul 23, 1990 EF2 38 km 17.0 mi 0
Oct 14, 1989 EF2 87 km 2.0 mi 2
Sep 18, 1977 EF2 54 km 2.0 mi 0
Jul 16, 2024 EF1 28 km 1.4 mi 1
Jul 16, 2024 EF1 35 km 6.5 mi 0
Jul 16, 2024 EF1 83 km 0.7 mi 0
Jul 15, 2024 EF1 69 km 8.7 mi 0
Jul 10, 2024 EF1 39 km 2.2 mi 0
Jun 22, 2024 EF1 79 km 2.0 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).

Wildfire History

1 wildfire (100+ acres) recorded within 100 km. Largest: DRY MARSH (1,018 acres, 2010).

Year Name Acres Burned Distance
2010 DRY MARSH 1,018 68 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 24°F (-4°C) 2.6 in Coldest
February 26°F (-4°C) 2.5 in Driest
March 34°F (1°C) 3.0 in
April 46°F (8°C) 3.5 in
May 58°F (15°C) 3.4 in
June 67°F (19°C) 3.6 in
July 72°F (22°C) 3.9 in Warmest
August 70°F (21°C) 3.7 in
September 63°F (17°C) 3.4 in
October 51°F (11°C) 3.9 in Wettest
November 41°F (5°C) 3.2 in
December 30°F (-1°C) 3.3 in

Constantia has a seasonal temperature swing of 48°F / from 24°F in January to 72°F in July. Total annual precipitation is 39.9 inches, with October being the wettest month (3.9") and February the driest (2.5").

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