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Weather & Climate in Tupper Lake, NY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tupper Lake has a cool climate with an average annual temperature of 42°F (5°C). Winters average 15°F in January while summers reach 66°F in July. The area gets 251 sunny days per year, above the national average. Annual precipitation totals 45.1 inches. Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 1,548 feet.
Temperature
15°F Jan (-10°C)
66°F Jul (19°C)
| Annual Average | 41.5°F |
| 23% below US avg | |
| January Average | 15°F (-10°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 251 days/yr |
Geography
| Elevation | 1,548 ft (472 m) |
| Area | 2.1 sq mi (5.5 km²) |
| Population Density | 1,470/sq mi |
| Coordinates | 44.2298°N, 74.4619°W |
| Timezone | America/New_York |
| County | Franklin County County |
| Nearest Airport | Adirondack Regional (SLK) 17 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 48.9 / 100 |
| Social Vulnerability | 51.6 / 100 |
| Community Resilience | 62.5 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
56 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.3.
| Apr 20, 2002 | 8 km NNW of Au Sable Forks, New York | M5.3 | 68 km | 5 km |
| May 17, 1991 | 7 km WNW of Rigaud, Canada | M4.4 | 141 km | 18 km |
| Jul 30, 1993 | 1 km NE of Salaberry-de-Valleyfield, Canada | M3.9 | 118 km | 8 km |
| Nov 16, 1993 | 5 km SSE of Saint-Édouard, Canada | M3.8 | 131 km | 17 km |
| Jul 5, 1991 | 7 km WSW of Sainte-Martine, Canada | M3.8 | 120 km | 18 km |
| Oct 6, 2000 | 1 km WSW of Ormstown, Canada | M3.8 | 106 km | 18 km |
| Apr 20, 2000 | 7 km WSW of Newcomb, New York | M3.8 | 35 km | 5 km |
| Jan 9, 2006 | 2 km ESE of Franklin, Canada | M3.7 | 100 km | 13 km |
| Apr 20, 2002 | 5 km NNW of Au Sable Forks, New York | M3.7 | 68 km | 5 km |
| Apr 8, 2003 | 17 km ESE of Saint Regis Falls, New York | M3.7 | 44 km | 10 km |
| Apr 23, 2023 | New York | M3.6 | 131 km | 9 km |
| Jan 13, 2020 | 5 km SW of Franklin, Canada | M3.4 | 94 km | 6 km |
| Jun 9, 1998 | 3 km N of Dannemora, New York | M3.3 | 83 km | 5 km |
| Jul 15, 2015 | 15 km SSE of Hawkesbury, Canada | M3.3 | 139 km | 10 km |
| Jul 31, 1997 | 0 km WSW of Lyons Falls, New York | M3.2 | 99 km | 5 km |
| Feb 26, 2006 | 10 km S of L'Orignal, Canada | M3.2 | 146 km | 14 km |
| Aug 24, 2011 | 13 km ENE of Saint Regis Falls, New York | M3.2 | 53 km | 5 km |
| Feb 1, 2024 | 6 km WNW of Huntingdon, Canada | M3.1 | 98 km | 8 km |
| Sep 21, 1995 | 3 km W of Huntingdon, Canada | M3.1 | 97 km | 18 km |
| May 24, 2002 | 6 km N of Au Sable Forks, New York | M3.1 | 70 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 1985 | Gloria | Category 1 | 86 mph | 292 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
29 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 1 fatality, 5 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 15, 1986 | EF2 | 88 km | 0.2 mi | 1 |
| Aug 28, 1973 | EF2 | 48 km | 2.3 mi | 0 |
| Sep 19, 1954 | EF2 | 53 km | 0.1 mi | 0 |
| May 6, 1952 | EF2 | 38 km | 4.9 mi | 0 |
| Jul 16, 2024 | EF1 | 92 km | 4.6 mi | 0 |
| Jul 16, 2024 | EF1 | 88 km | 0.5 mi | 0 |
| Jul 16, 2024 | EF1 | 70 km | 4.1 mi | 0 |
| Jul 16, 2024 | EF1 | 97 km | 1.5 mi | 0 |
| Jul 18, 2022 | EF1 | 94 km | 0.9 mi | 0 |
| Sep 3, 1993 | EF1 | 41 km | 6.0 mi | 0 |
| Jul 10, 1989 | EF1 | 98 km | 1.7 mi | 0 |
| Jul 26, 1986 | EF1 | 41 km | 1.0 mi | 0 |
| May 31, 1985 | EF1 | 78 km | 5.0 mi | 0 |
| Aug 7, 1972 | EF1 | 67 km | 4.9 mi | 0 |
| Oct 16, 1958 | EF1 | 64 km | 0.3 mi | 0 |
| Aug 11, 2024 | EF0 | 84 km | 0.1 mi | 0 |
| Jul 16, 2024 | EF0 | 89 km | 9.6 mi | 0 |
| Jul 18, 2022 | EF0 | 96 km | 0.7 mi | 0 |
| Jul 8, 2014 | EF0 | 71 km | 1.1 mi | 0 |
| Jun 9, 2004 | EF0 | 78 km | 0.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: FLAT ROCK FIRE (658 acres, 2018).
| Year | Name | Acres Burned | Distance |
| 2018 | FLAT ROCK FIRE | 658 | 97 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 15°F (-10°C) | 3.0 in | Coldest |
| February | 16°F (-9°C) | 2.5 in | Driest |
| March | 26°F (-4°C) | 3.0 in | |
| April | 38°F (4°C) | 3.1 in | |
| May | 52°F (11°C) | 3.6 in | |
| June | 60°F (16°C) | 3.9 in | |
| July | 66°F (19°C) | 4.3 in | Warmest |
| August | 63°F (17°C) | 4.5 in | Wettest |
| September | 55°F (13°C) | 4.1 in | |
| October | 44°F (7°C) | 3.5 in | |
| November | 33°F (0°C) | 3.6 in | |
| December | 20°F (-7°C) | 3.2 in |
Tupper Lake has a seasonal temperature swing of 51°F / from 15°F in January to 66°F in July. Total annual precipitation is 42.2 inches, with August being the wettest month (4.5") and February the driest (2.5").