Weather & Climate in Northampton, MA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Northampton experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 25°F in January while summers reach 73°F in July. Annual precipitation totals 45.2 inches. The area receives 36.5 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 35. 89% of days have good air quality. The city sits at an elevation of 210 feet.
Temperature
25°F Jan (-4°C)
73°F Jul (23°C)
| Annual Average | 49.4°F |
| 9% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 210 ft (64 m) |
| Area | 34.3 sq mi (88.7 km²) |
| Population Density | 836/sq mi |
| Coordinates | 42.3270°N, 72.6746°W |
| Timezone | America/New_York |
| County | Hampshire County County |
| Nearest Airport | Westfield-Barnes Regional (BAF) 12 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
| Good Days % | 88.5% |
| Unhealthy Days | 2 |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 69.9 / 100 |
| Social Vulnerability | 12.8 / 100 |
| Community Resilience | 94.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
33 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Oct 2, 1994 | 6 km W of Hardwick, Massachusetts | M3.7 | 33 km | 10 km |
| Oct 6, 1992 | 1 km SW of Canterbury, New Hampshire | M3.4 | 142 km | 5 km |
| Jan 12, 2015 | 0 km NE of Wauregan, Connecticut | M3.3 | 91 km | 5 km |
| Jun 16, 2000 | 5 km NE of Granville, Massachusetts | M3.3 | 28 km | 10 km |
| Oct 2, 1994 | 1 km NW of Hardwick, Massachusetts | M3.3 | 38 km | 10 km |
| Sep 26, 2010 | 2 km SW of Canterbury, New Hampshire | M3.2 | 142 km | 5 km |
| Dec 13, 2009 | 15 km N of Medusa, New York | M3.2 | 121 km | 10 km |
| Mar 22, 1996 | 2 km NE of Bristol, Rhode Island | M3.1 | 138 km | 12 km |
| Mar 11, 2020 | 0 km SSW of South Glens Falls, New York | M3.1 | 133 km | 13 km |
| Jan 10, 1999 | 2 km ENE of Merrimac, Massachusetts | M3.1 | 150 km | 2 km |
| Jul 24, 2007 | 12 km SSW of Altamont, New York | M3.1 | 122 km | 15 km |
| May 18, 2009 | 15 km N of Medusa, New York | M3.1 | 121 km | 9 km |
| Jan 27, 2000 | 3 km WNW of Fremont, New Hampshire | M3.0 | 143 km | 1 km |
| Jan 10, 1999 | 1 km NNE of Merrimac, Massachusetts | M3.0 | 149 km | 2 km |
| Oct 21, 2009 | 15 km N of Medusa, New York | M2.9 | 120 km | 7 km |
| Sep 28, 2002 | 2 km N of Wilton, New Hampshire | M2.8 | 98 km | 5 km |
| Mar 21, 2016 | 4 km ESE of Warner, New Hampshire | M2.8 | 128 km | 7 km |
| Aug 27, 2011 | 5 km WSW of Altamont, New York | M2.8 | 123 km | 22 km |
| Mar 22, 2009 | 9 km SW of Altamont, New York | M2.8 | 123 km | 16 km |
| Oct 13, 1999 | 2 km E of Littleton Common, Massachusetts | M2.7 | 104 km | 2 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 2.
| Year | Name | Category | Max Wind | Closest |
| 1991 | Bob | Category 2 | 104 mph | 148 km |
| 1985 | Gloria | Category 1 | 86 mph | 49 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tornado History
263 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 111 fatalities, 2,196 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 29, 1995 | EF4 | 64 km | 11.5 mi | 3 |
| Oct 3, 1979 | EF4 | 50 km | 11.3 mi | 3 |
| Aug 28, 1973 | EF4 | 62 km | 9.8 mi | 4 |
| Jun 9, 1953 | EF4 | 44 km | 34.9 mi | 94 |
| Jun 1, 2011 | EF3 | 26 km | 37.6 mi | 3 |
| Jun 22, 1981 | EF3 | 56 km | 7.1 mi | 0 |
| Jun 16, 1974 | EF3 | 95 km | 49.1 mi | 0 |
| Sep 13, 1971 | EF3 | 1 km | 0.5 mi | 0 |
| Jul 29, 1971 | EF3 | 92 km | 0.1 mi | 0 |
| Oct 3, 1970 | EF3 | 42 km | 35.4 mi | 1 |
| Aug 20, 1968 | EF3 | 87 km | 1.0 mi | 0 |
| May 20, 1963 | EF3 | 79 km | 14.0 mi | 0 |
| May 24, 1962 | EF3 | 94 km | 11.6 mi | 1 |
| May 10, 1954 | EF3 | 48 km | 0.3 mi | 0 |
| Jun 9, 1953 | EF3 | 77 km | 28.0 mi | 0 |
| Aug 21, 1951 | EF3 | 84 km | 0.1 mi | 0 |
| Jul 11, 2006 | EF2 | 34 km | 2.9 mi | 0 |
| Jul 21, 2003 | EF2 | 85 km | 1.3 mi | 0 |
| Jun 5, 2002 | EF2 | 95 km | 0.1 mi | 0 |
| Jun 23, 2001 | EF2 | 69 km | 0.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
2 wildfires (100+ acres) recorded within 100 km. Largest: EAST MOUNTAIN (964 acres, 2021).
| Year | Name | Acres Burned | Distance |
| 2021 | EAST MOUNTAIN | 964 | 59 km |
| 2005 | THE RANGE | 760 | 86 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 2.8 in | Coldest |
| February | 28°F (-2°C) | 2.6 in | Driest |
| March | 36°F (2°C) | 3.4 in | |
| April | 48°F (9°C) | 4.1 in | |
| May | 59°F (15°C) | 3.7 in | |
| June | 67°F (20°C) | 4.4 in | |
| July | 73°F (23°C) | 4.2 in | Warmest |
| August | 71°F (22°C) | 3.7 in | |
| September | 63°F (17°C) | 4.6 in | |
| October | 51°F (11°C) | 4.7 in | Wettest |
| November | 41°F (5°C) | 3.5 in | |
| December | 31°F (-1°C) | 3.6 in |
Northampton has a seasonal temperature swing of 48°F / from 25°F in January to 73°F in July. Total annual precipitation is 45.2 inches, with October being the wettest month (4.7") and February the driest (2.6").