Weather & Climate in Cassadaga, NY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cassadaga experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 27°F in January while summers reach 71°F in July. Annual precipitation totals 48.7 inches (wetter than the 38-inch national average). The area receives 75.6 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 36. 90% of days have good air quality. The city sits at an elevation of 1,320 feet.
Temperature
27°F Jan (-3°C)
71°F Jul (22°C)
| Annual Average | 48.8°F |
| 10% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 71°F (22°C) |
Geography
| Elevation | 1,320 ft (402 m) |
| Area | 1.1 sq mi (2.7 km²) |
| Population Density | 606/sq mi |
| Coordinates | 42.3416°N, 79.3170°W |
| Timezone | America/New_York |
| County | Chautauqua County County |
| Nearest Airport | Erie International/Tom Ridge Field (ERI) 47 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
| Good Days % | 89.8% |
| Unhealthy Days | 1 |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 84.6 / 100 |
| Social Vulnerability | 70.3 / 100 |
| Community Resilience | 89.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
20 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Sep 25, 1998 | 2 km SW of Adamsville, Pennsylvania | M4.5 | 129 km | 5 km |
| Jan 26, 2001 | 8 km NNW of Edgewood, Ohio | M3.9 | 130 km | 5 km |
| Feb 6, 2023 | 1 km NE of West Seneca, New York | M3.8 | 72 km | 6 km |
| Jun 3, 2001 | 3 km N of Edgewood, Ohio | M3.4 | 129 km | 5 km |
| May 25, 1995 | 3 km NW of Amherst, New York | M3.0 | 83 km | 5 km |
| Jun 16, 2004 | 11 km NNW of Angola on the Lake, New York | M2.9 | 50 km | 6 km |
| Jun 5, 2009 | 4 km SSE of Attica, New York | M2.9 | 103 km | 5 km |
| Feb 23, 1995 | 3 km W of Ashtabula, Ohio | M2.9 | 135 km | 5 km |
| Mar 28, 2005 | 16 km NW of Virgil, Canada | M2.8 | 109 km | 7 km |
| Mar 8, 2008 | 5 km ENE of Clarence Center, New York | M2.7 | 98 km | 6 km |
| Dec 21, 2009 | 10 km NNE of Olcott, New York | M2.7 | 132 km | 8 km |
| Jan 20, 2001 | 0 km NNW of Edgewood, Ohio | M2.6 | 131 km | 5 km |
| Mar 29, 2020 | 11 km N of Lyndonville, New York | M2.6 | 143 km | 5 km |
| Feb 14, 2009 | 4 km WSW of Geneva-on-the-Lake, Ohio | M2.6 | 150 km | 5 km |
| Mar 15, 2022 | 5 km SSW of Warsaw, New York | M2.6 | 103 km | 5 km |
| Sep 20, 2009 | 20 km ESE of Oakville, Canada | M2.6 | 117 km | 4 km |
| Jul 11, 2017 | 11 km NNW of Barker, New York | M2.5 | 135 km | 5 km |
| Dec 17, 1990 | 5 km SSE of Middleboro, Pennsylvania | M2.5 | 79 km | 5 km |
| Jul 17, 2003 | 1 km SE of Edgewood, Ohio | M2.5 | 131 km | 3 km |
| Jan 25, 1999 | New York | M2.5 | 128 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
143 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 15 fatalities, 143 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 31, 1985 | EF4 | 92 km | 29.0 mi | 7 |
| May 31, 1985 | EF4 | 69 km | 28.0 mi | 0 |
| May 31, 1985 | EF4 | 83 km | 29.0 mi | 4 |
| May 31, 1985 | EF3 | 35 km | 13.0 mi | 0 |
| May 31, 1985 | EF3 | 99 km | 23.0 mi | 2 |
| May 31, 1985 | EF3 | 75 km | 17.0 mi | 0 |
| May 31, 1985 | EF3 | 80 km | 8.0 mi | 0 |
| May 2, 1983 | EF3 | 33 km | 28.0 mi | 2 |
| Jun 2, 1971 | EF3 | 85 km | 29.3 mi | 0 |
| Aug 19, 1970 | EF3 | 51 km | 2.3 mi | 0 |
| Jun 20, 1969 | EF3 | 44 km | 84.1 mi | 0 |
| Jul 24, 1967 | EF3 | 54 km | 11.4 mi | 0 |
| May 15, 1961 | EF3 | 65 km | 3.0 mi | 0 |
| Jul 10, 2024 | EF2 | 48 km | 3.2 mi | 0 |
| Jul 28, 2022 | EF2 | 87 km | 10.0 mi | 0 |
| Apr 14, 2019 | EF2 | 61 km | 18.0 mi | 0 |
| Jul 20, 2017 | EF2 | 58 km | 6.1 mi | 0 |
| Nov 14, 2011 | EF2 | 14 km | 4.1 mi | 0 |
| Nov 14, 2011 | EF2 | 23 km | 2.9 mi | 0 |
| Jul 24, 2010 | EF2 | 32 km | 7.6 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 2.7 m (9 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1823 | LAKE ERIE | Unknown | 2.7 m | - | 139 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
2 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (628 acres, 1990).
| Year | Name | Acres Burned | Distance |
| 1990 | UNNAMED | 628 | 92 km |
| 2021 | UNNAMED | 586 | 81 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 3.7 in | Coldest |
| February | 27°F (-3°C) | 2.9 in | Driest |
| March | 34°F (1°C) | 3.4 in | |
| April | 45°F (7°C) | 3.7 in | |
| May | 57°F (14°C) | 4.1 in | |
| June | 66°F (19°C) | 4.2 in | |
| July | 71°F (22°C) | 4.8 in | Warmest, Wettest |
| August | 69°F (21°C) | 4.0 in | |
| September | 63°F (17°C) | 4.6 in | |
| October | 52°F (11°C) | 4.4 in | |
| November | 42°F (5°C) | 4.4 in | |
| December | 33°F (0°C) | 4.6 in |
Cassadaga has a seasonal temperature swing of 44°F / from 27°F in January to 71°F in July. Total annual precipitation is 48.7 inches, with July being the wettest month (4.8") and February the driest (2.9").