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Weather & Climate in Schroon Lake, NY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Schroon Lake has a cool climate with an average annual temperature of 41°F (5°C). Winters average 15°F in January while summers reach 65°F in July. The area gets 246 sunny days per year, above the national average. Annual precipitation totals 45.5 inches. The area receives 104.9 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 871 feet.
Temperature
15°F Jan (-10°C)
65°F Jul (18°C)
| Annual Average | 40.8°F |
| 24% below US avg | |
| January Average | 15°F (-10°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 246 days/yr |
Geography
| Elevation | 871 ft (265 m) |
| Area | 3.7 sq mi (9.6 km²) |
| Population Density | 311/sq mi |
| Coordinates | 43.8351°N, 73.7669°W |
| Timezone | America/New_York |
| County | Warren County County |
| Nearest Airport | Adirondack Regional (SLK) 44 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 62.3 / 100 |
| Social Vulnerability | 26.6 / 100 |
| Community Resilience | 95.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively 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 High |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
51 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 | 76 km | 5 km |
| Oct 6, 2000 | 1 km WSW of Ormstown, Canada | M3.8 | 145 km | 18 km |
| Apr 20, 2000 | 7 km WSW of Newcomb, New York | M3.8 | 41 km | 5 km |
| Jan 9, 2006 | 2 km ESE of Franklin, Canada | M3.7 | 133 km | 13 km |
| Apr 20, 2002 | 5 km NNW of Au Sable Forks, New York | M3.7 | 73 km | 5 km |
| Apr 8, 2003 | 17 km ESE of Saint Regis Falls, New York | M3.7 | 98 km | 10 km |
| Jan 13, 2020 | 5 km SW of Franklin, Canada | M3.4 | 130 km | 6 km |
| Jun 9, 1998 | 3 km N of Dannemora, New York | M3.3 | 102 km | 5 km |
| Jul 31, 1997 | 0 km WSW of Lyons Falls, New York | M3.2 | 131 km | 5 km |
| Aug 24, 2011 | 13 km ENE of Saint Regis Falls, New York | M3.2 | 108 km | 5 km |
| Dec 13, 2009 | 15 km N of Medusa, New York | M3.2 | 143 km | 10 km |
| May 24, 2002 | 6 km N of Au Sable Forks, New York | M3.1 | 75 km | 10 km |
| Mar 11, 2020 | 0 km SSW of South Glens Falls, New York | M3.1 | 61 km | 13 km |
| Feb 1, 2024 | 6 km WNW of Huntingdon, Canada | M3.1 | 146 km | 8 km |
| Sep 21, 1995 | 3 km W of Huntingdon, Canada | M3.1 | 143 km | 18 km |
| May 18, 2009 | 15 km N of Medusa, New York | M3.1 | 143 km | 9 km |
| Jul 24, 2007 | 12 km SSW of Altamont, New York | M3.1 | 140 km | 15 km |
| Mar 2, 1995 | 3 km ENE of Tupper Lake, New York | M3.0 | 69 km | 4 km |
| Jun 25, 2002 | 6 km NNW of Au Sable Forks, New York | M3.0 | 74 km | 9 km |
| Oct 13, 1997 | 18 km NW of Cranberry Lake, New York | M3.0 | 112 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 1991 | Bob | Category 2 | 104 mph | 298 km |
| 1985 | Gloria | Category 1 | 86 mph | 229 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
48 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 9 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 8, 1983 | EF2 | 92 km | 0.2 mi | 0 |
| Jun 11, 1976 | EF2 | 57 km | 0.1 mi | 0 |
| Aug 28, 1973 | EF2 | 49 km | 2.3 mi | 0 |
| May 29, 1969 | EF2 | 89 km | 0.5 mi | 0 |
| May 6, 1952 | EF2 | 58 km | 4.9 mi | 0 |
| Jul 16, 2024 | EF1 | 74 km | 1.5 mi | 0 |
| Jul 16, 2024 | EF1 | 58 km | 4.6 mi | 0 |
| Jul 16, 2024 | EF1 | 91 km | 4.1 mi | 0 |
| Jul 16, 2024 | EF1 | 69 km | 8.4 mi | 0 |
| Jul 16, 2024 | EF1 | 72 km | 0.5 mi | 0 |
| Jul 18, 2022 | EF1 | 46 km | 0.9 mi | 0 |
| Mar 26, 2021 | EF1 | 54 km | 0.7 mi | 0 |
| Aug 29, 2020 | EF1 | 100 km | 0.3 mi | 0 |
| Aug 10, 2020 | EF1 | 68 km | 1.5 mi | 0 |
| May 29, 2020 | EF1 | 66 km | 8.6 mi | 0 |
| May 15, 2020 | EF1 | 73 km | 1.8 mi | 0 |
| Aug 21, 2019 | EF1 | 84 km | 0.4 mi | 0 |
| Jun 30, 2017 | EF1 | 96 km | 0.3 mi | 0 |
| Aug 21, 1994 | EF1 | 76 km | 1.2 mi | 0 |
| Sep 3, 1993 | EF1 | 81 km | 6.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 15°F (-10°C) | 2.6 in | Coldest |
| February | 19°F (-7°C) | 2.4 in | Driest |
| March | 29°F (-2°C) | 2.8 in | |
| April | 41°F (5°C) | 3.2 in | |
| May | 53°F (12°C) | 3.7 in | |
| June | 62°F (17°C) | 3.7 in | |
| July | 65°F (18°C) | 3.6 in | Warmest |
| August | 64°F (18°C) | 4.5 in | Wettest |
| September | 56°F (14°C) | 3.7 in | |
| October | 45°F (7°C) | 3.5 in | |
| November | 34°F (1°C) | 3.7 in | |
| December | 23°F (-5°C) | 3.1 in |
Schroon Lake has a seasonal temperature swing of 50°F / from 15°F in January to 65°F in July. Total annual precipitation is 40.5 inches, with August being the wettest month (4.5") and February the driest (2.4").