Weather & Climate in Sagamore, MA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sagamore experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 29°F in January while summers reach 70°F in July. Annual precipitation totals 53.0 inches (wetter than the 38-inch national average). The area receives 37.2 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 37. 87% of days have good air quality. The city sits at an elevation of 79 feet.
Temperature
29°F Jan (-2°C)
70°F Jul (21°C)
| Annual Average | 49.5°F |
| 8% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 70°F (21°C) |
Geography
| Elevation | 79 ft (24 m) |
| Area | 3.5 sq mi (9.1 km²) |
| Population Density | 1,189/sq mi |
| Coordinates | 41.7828°N, 70.5321°W |
| Timezone | America/New_York |
| County | Plymouth County County |
| Nearest Airport | New Bedford Regional (EWB) 23 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 37.0 |
| Rating | Good |
| Good Days % | 87.2% |
| Unhealthy Days | 0 |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 90.4 / 100 |
| Social Vulnerability | 12.8 / 100 |
| Community Resilience | 98.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
19 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Jan 27, 2025 | 9 km SE of York Harbor, Maine | M3.8 | 143 km | 11 km |
| Jan 12, 2015 | 0 km NE of Wauregan, Connecticut | M3.3 | 114 km | 5 km |
| Mar 22, 1996 | 2 km NE of Bristol, Rhode Island | M3.1 | 60 km | 12 km |
| Jan 10, 1999 | 2 km ENE of Merrimac, Massachusetts | M3.1 | 123 km | 2 km |
| Jan 27, 2000 | 3 km WNW of Fremont, New Hampshire | M3.0 | 145 km | 1 km |
| Jan 10, 1999 | 1 km NNE of Merrimac, Massachusetts | M3.0 | 124 km | 2 km |
| Mar 12, 2002 | 52 km E of Chatham, Massachusetts | M3.0 | 101 km | 1 km |
| Jul 22, 2003 | 72 km NNE of Provincetown, Massachusetts | M3.0 | 114 km | 10 km |
| Jan 8, 1998 | 52 km ENE of Rockport, Massachusetts | M2.9 | 126 km | 25 km |
| Jun 7, 2010 | 29 km SE of York Beach, Maine | M2.9 | 139 km | 10 km |
| Mar 9, 2008 | 25 km SE of York Beach, Maine | M2.8 | 139 km | 0 km |
| Oct 13, 1999 | 2 km E of Littleton Common, Massachusetts | M2.7 | 114 km | 2 km |
| Oct 11, 1990 | 5 km NNE of The Pinehills, Massachusetts | M2.7 | 17 km | 13 km |
| Feb 15, 2018 | 0 km SE of East Kingston, New Hampshire | M2.7 | 133 km | 7 km |
| Jan 13, 2015 | 2 km E of Wauregan, Connecticut | M2.6 | 112 km | 9 km |
| Apr 22, 1996 | 3 km NE of North Westport, Massachusetts | M2.6 | 45 km | 5 km |
| Jan 23, 1990 | 3 km NNW of Boxborough, Massachusetts | M2.5 | 117 km | 5 km |
| Jun 7, 2002 | 3 km NNW of Hopedale, Massachusetts | M2.5 | 95 km | 5 km |
| Jan 21, 2000 | 3 km W of Fremont, New Hampshire | M2.5 | 144 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
6 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2021 | Henri | Category 1 | 75 mph | 268 km |
| 2014 | Arthur | Category 1 | 75 mph | 189 km |
| 2008 | Kyle | Category 1 | 86 mph | 299 km |
| 1996 | Edouard | Category 1 | 81 mph | 223 km |
| 1991 | Bob | Category 2 | 104 mph | 84 km |
| 1985 | Gloria | Category 1 | 86 mph | 188 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tornado History
72 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 2 fatalities, 46 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 18, 2023 | EF2 | 86 km | 9.1 mi | 0 |
| Jul 28, 2014 | EF2 | 80 km | 1.9 mi | 0 |
| Aug 7, 1986 | EF2 | 76 km | 4.0 mi | 0 |
| Aug 28, 1970 | EF2 | 37 km | 1.0 mi | 0 |
| Nov 18, 1967 | EF2 | 37 km | 0.1 mi | 0 |
| Aug 25, 1958 | EF2 | 92 km | 1.0 mi | 0 |
| Nov 21, 1956 | EF2 | 68 km | 0.1 mi | 0 |
| Dec 18, 1951 | EF2 | 46 km | 0.1 mi | 0 |
| Jun 26, 2024 | EF1 | 77 km | 8.6 mi | 0 |
| Jun 26, 2024 | EF1 | 63 km | 0.6 mi | 0 |
| Sep 13, 2023 | EF1 | 80 km | 0.2 mi | 0 |
| Sep 13, 2023 | EF1 | 95 km | 0.2 mi | 0 |
| Aug 18, 2023 | EF1 | 56 km | 0.4 mi | 0 |
| Aug 18, 2023 | EF1 | 73 km | 7.6 mi | 0 |
| Aug 8, 2023 | EF1 | 29 km | 0.9 mi | 0 |
| Jul 29, 2023 | EF1 | 62 km | 0.2 mi | 0 |
| Jul 23, 2019 | EF1 | 39 km | 2.8 mi | 0 |
| Jul 23, 2019 | EF1 | 28 km | 0.3 mi | 0 |
| Jul 23, 2019 | EF1 | 26 km | 5.5 mi | 0 |
| Oct 23, 2018 | EF1 | 78 km | 1.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: NOMANS AERIAL RX (546 acres, 2008).
| Year | Name | Acres Burned | Distance |
| 2008 | NOMANS AERIAL RX | 546 | 63 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 4.9 in | Coldest |
| February | 31°F (-1°C) | 4.0 in | |
| March | 36°F (2°C) | 5.3 in | |
| April | 46°F (8°C) | 4.6 in | |
| May | 56°F (13°C) | 3.9 in | |
| June | 64°F (18°C) | 4.1 in | |
| July | 70°F (21°C) | 3.8 in | Warmest |
| August | 69°F (20°C) | 3.0 in | Driest |
| September | 62°F (17°C) | 3.9 in | |
| October | 52°F (11°C) | 5.3 in | |
| November | 43°F (6°C) | 4.7 in | |
| December | 36°F (2°C) | 5.6 in | Wettest |
Sagamore has a seasonal temperature swing of 41°F / from 29°F in January to 70°F in July. Total annual precipitation is 53.0 inches, with December being the wettest month (5.6") and August the driest (3.0").