All Countries
Weather & Climate in Belfast, NY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Belfast experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 23°F in January while summers reach 67°F in July. The area gets 246 sunny days per year, above the national average. Annual precipitation totals 40.2 inches. The area receives 72.4 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 1,340 feet.
Temperature
23°F Jan (-5°C)
67°F Jul (20°C)
| Annual Average | 45.8°F |
| 15% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 67°F (20°C) |
| Sunny Days | 246 days/yr |
Geography
| Elevation | 1,340 ft (408 m) |
| Area | 1.4 sq mi (3.7 km²) |
| Population Density | 418/sq mi |
| Coordinates | 42.3413°N, 78.1185°W |
| Timezone | America/New_York |
| County | Allegany County County |
| Nearest Airport | Bradford Regional (BFD) 46 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 69.8 / 100 |
| Social Vulnerability | 47.7 / 100 |
| Community Resilience | 72.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
15 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Feb 6, 2023 | 1 km NE of West Seneca, New York | M3.8 | 79 km | 6 km |
| Feb 3, 2001 | 6 km W of Bath, New York | M3.2 | 60 km | 0 km |
| May 25, 1995 | 3 km NW of Amherst, New York | M3.0 | 93 km | 5 km |
| Jun 16, 2004 | 11 km NNW of Angola on the Lake, New York | M2.9 | 91 km | 6 km |
| Jun 5, 2009 | 4 km SSE of Attica, New York | M2.9 | 55 km | 5 km |
| Jun 10, 2025 | 10 km NW of Forksville, Pennsylvania | M2.8 | 148 km | 8 km |
| Mar 28, 2005 | 16 km NW of Virgil, Canada | M2.8 | 144 km | 7 km |
| Mar 8, 2008 | 5 km ENE of Clarence Center, New York | M2.7 | 85 km | 6 km |
| Dec 21, 2009 | 10 km NNE of Olcott, New York | M2.7 | 129 km | 8 km |
| Mar 29, 2020 | 11 km N of Lyndonville, New York | M2.6 | 122 km | 5 km |
| Mar 15, 2022 | 5 km SSW of Warsaw, New York | M2.6 | 39 km | 5 km |
| Apr 11, 2007 | 6 km NNE of Sodus Point, New York | M2.6 | 144 km | 7 km |
| Jul 11, 2017 | 11 km NNW of Barker, New York | M2.5 | 127 km | 5 km |
| Jan 25, 1999 | New York | M2.5 | 49 km | 3 km |
| Feb 13, 2014 | 34 km N of Lyndonville, New York | M2.5 | 146 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
126 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 3 fatalities, 39 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 21, 2003 | EF3 | 49 km | 2.5 mi | 0 |
| May 31, 1985 | EF3 | 98 km | 13.0 mi | 0 |
| Aug 19, 1970 | EF3 | 72 km | 2.3 mi | 0 |
| Jul 24, 1967 | EF3 | 46 km | 11.4 mi | 0 |
| May 15, 1961 | EF3 | 48 km | 3.0 mi | 0 |
| Aug 30, 1955 | EF3 | 99 km | 1.0 mi | 0 |
| Jul 10, 2024 | EF2 | 70 km | 3.2 mi | 0 |
| Jul 28, 2022 | EF2 | 36 km | 10.0 mi | 0 |
| Jul 20, 2017 | EF2 | 75 km | 6.1 mi | 0 |
| Jul 24, 2010 | EF2 | 77 km | 7.6 mi | 0 |
| Apr 28, 2002 | EF2 | 1 km | 6.5 mi | 0 |
| Jun 2, 1998 | EF2 | 47 km | 15.0 mi | 0 |
| Jun 13, 1994 | EF2 | 82 km | 3.0 mi | 0 |
| Sep 3, 1993 | EF2 | 9 km | 3.5 mi | 0 |
| Jul 12, 1992 | EF2 | 100 km | 4.0 mi | 0 |
| Jul 30, 1987 | EF2 | 84 km | 1.5 mi | 0 |
| May 2, 1983 | EF2 | 72 km | 9.8 mi | 0 |
| May 2, 1972 | EF2 | 54 km | 12.0 mi | 0 |
| Aug 23, 1971 | EF2 | 80 km | 0.1 mi | 0 |
| May 17, 1969 | EF2 | 95 km | 2.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
2 wildfires (100+ acres) recorded within 100 km. Largest: WOODRUFF (757 acres, 2009).
| Year | Name | Acres Burned | Distance |
| 2009 | WOODRUFF | 757 | 82 km |
| 1994 | MOHAWK POOL | 507 | 91 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 2.1 in | |
| February | 22°F (-5°C) | 2.0 in | Coldest, Driest |
| March | 31°F (-0°C) | 2.4 in | |
| April | 43°F (6°C) | 3.0 in | |
| May | 54°F (12°C) | 3.4 in | |
| June | 63°F (17°C) | 4.5 in | Wettest |
| July | 67°F (20°C) | 3.5 in | Warmest |
| August | 65°F (19°C) | 3.6 in | |
| September | 58°F (15°C) | 3.9 in | |
| October | 48°F (9°C) | 3.2 in | |
| November | 37°F (3°C) | 3.2 in | |
| December | 27°F (-3°C) | 2.8 in |
Belfast has a seasonal temperature swing of 45°F / from 22°F in February to 67°F in July. Total annual precipitation is 37.6 inches, with June being the wettest month (4.5") and February the driest (2.0").