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Weather & Climate in Cape Vincent, NY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cape Vincent has a cool climate with an average annual temperature of 45°F (7°C). Winters average 20°F in January while summers reach 69°F in July. The area gets 270 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 37.1 inches. Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 302 feet.
Temperature
20°F Jan (-7°C)
69°F Jul (21°C)
| Annual Average | 45.3°F |
| 16% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 302 ft (92 m) |
| Area | 0.7 sq mi (1.9 km²) |
| Population Density | 759/sq mi |
| Coordinates | 44.1232°N, 76.3307°W |
| Timezone | America/New_York |
| County | Jefferson County County |
| Nearest Airport | Watertown International (ART) 18 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 64.0 / 100 |
| Social Vulnerability | 28.3 / 100 |
| Community Resilience | 62.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
17 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Dec 25, 1998 | 23 km SE of Cobourg, Canada | M3.6 | 132 km | 18 km |
| Apr 23, 2023 | New York | M3.6 | 38 km | 9 km |
| Jun 29, 2024 | 14 km W of Ellisburg, New York | M3.3 | 45 km | 5 km |
| Jul 31, 1997 | 0 km WSW of Lyons Falls, New York | M3.2 | 95 km | 5 km |
| Nov 7, 2002 | 13 km SSW of Belleville, Canada | M3.0 | 88 km | 18 km |
| Oct 13, 1997 | 18 km NW of Cranberry Lake, New York | M3.0 | 112 km | 4 km |
| Sep 4, 2004 | 3 km S of Massena, New York | M2.9 | 143 km | 4 km |
| Jul 14, 2021 | 8 km WNW of Massena, New York | M2.8 | 141 km | 7 km |
| Mar 20, 2008 | 12 km S of Osgoode, Canada | M2.8 | 116 km | 6 km |
| Mar 14, 2021 | 19 km SW of Winchester, Canada | M2.7 | 112 km | 10 km |
| Mar 17, 2004 | 3 km SSW of Massena, New York | M2.7 | 142 km | 8 km |
| Aug 11, 2007 | 4 km N of Kingston, Canada | M2.6 | 20 km | 4 km |
| Apr 14, 2023 | 1 km W of Adams Center, New York | M2.6 | 38 km | 6 km |
| Apr 11, 2007 | 6 km NNE of Sodus Point, New York | M2.6 | 102 km | 7 km |
| Oct 6, 2017 | 9 km SSE of Nepean, Canada | M2.5 | 137 km | 17 km |
| Mar 17, 2004 | 12 km SSW of Osgoode, Canada | M2.5 | 116 km | 18 km |
| May 10, 2022 | southern Ontario, Canada | M2.5 | 134 km | 11 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
32 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 1 fatality, 14 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 7, 2023 | EF3 | 99 km | 16.0 mi | 0 |
| May 2, 1983 | EF3 | 99 km | 3.0 mi | 0 |
| Aug 15, 1986 | EF2 | 63 km | 0.2 mi | 1 |
| Jul 10, 2024 | EF1 | 71 km | 2.2 mi | 0 |
| Jul 8, 2014 | EF1 | 72 km | 12.3 mi | 0 |
| Aug 1, 2005 | EF1 | 68 km | 1.5 mi | 0 |
| Jul 10, 1989 | EF1 | 92 km | 1.7 mi | 0 |
| Jul 13, 1986 | EF1 | 90 km | 11.0 mi | 0 |
| Aug 28, 1983 | EF1 | 45 km | 6.0 mi | 0 |
| Sep 8, 1981 | EF1 | 90 km | 0.1 mi | 0 |
| Aug 7, 1972 | EF1 | 96 km | 4.9 mi | 0 |
| Jul 12, 1969 | EF1 | 93 km | 0.8 mi | 0 |
| Sep 9, 1960 | EF1 | 86 km | 2.0 mi | 0 |
| Jul 1, 1959 | EF1 | 42 km | 0.1 mi | 0 |
| Aug 10, 1958 | EF1 | 71 km | 0.1 mi | 0 |
| Aug 11, 2024 | EF0 | 67 km | 0.1 mi | 0 |
| Jul 24, 2024 | EF0 | 70 km | 0.2 mi | 0 |
| Aug 16, 2016 | EF0 | 94 km | 0.2 mi | 0 |
| Jun 28, 2010 | EF0 | 87 km | 1.8 mi | 0 |
| May 17, 2008 | EF0 | 97 km | 0.6 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 3.3 in | Coldest |
| February | 20°F (-7°C) | 2.7 in | |
| March | 30°F (-1°C) | 2.6 in | Driest |
| April | 42°F (6°C) | 3.1 in | |
| May | 54°F (12°C) | 3.1 in | |
| June | 63°F (17°C) | 3.1 in | |
| July | 69°F (21°C) | 2.8 in | Warmest |
| August | 68°F (20°C) | 3.5 in | |
| September | 60°F (16°C) | 4.0 in | |
| October | 49°F (9°C) | 3.5 in | |
| November | 38°F (4°C) | 4.2 in | Wettest |
| December | 26°F (-3°C) | 3.6 in |
Cape Vincent has a seasonal temperature swing of 49°F / from 20°F in January to 69°F in July. Total annual precipitation is 39.5 inches, with November being the wettest month (4.2") and March the driest (2.6").