Medfield, MA

Full City Profile · Massachusetts · Norfolk County County

3.8 /5.0
B+ Good
6,355 Population 1,284/sq mi density
$186,625 Median Income $96,724 per capita
$734,200 Home Value $1,084,632 Zillow
$1,667 Median Rent 35.0% income on rent
52°F Avg Temperature
127 Violent Crime/100K 238 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$186,625 median income, 4.8% unemployment
A
Affordability
4.5 / 5.0
$734,200 home value, $1,667/mo rent
F
Safety
1.0 / 5.0
127 violent crimes/100K
A+
Education
5.0 / 5.0
72.1% bachelor's degree or higher
Medfield experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 30°F in January while summers reach 74°F in July. Annual precipitation totals 43.9 inches. The area receives 56.1 inches of snow annually. Air quality is rated Good with a median AQI of 39.

Temperature

30°F Jan (-1°C) 74°F Jul (24°C)
Annual Average52.0°F
4% below US avg
January Average30°F (-1°C)
July Average74°F (24°C)

Geography

Elevation183 ft (56 m)
Area5.0 sq mi (13.0 km²)
Population Density1,284/sq mi
Coordinates42.1870°N, 71.3004°W
TimezoneAmerica/New_York
CountyNorfolk County County
Nearest AirportGeneral Edward Lawrence Logan International (BOS)
19 miles away

Precipitation & Snow

Annual Rainfall 43.9"
16% above US avg
Snowfall 56.1"
Wettest Month (Oct) 4.54"
Driest Month (Feb) 2.80"

Air Quality

AQI Median39.0
RatingGood
Good Days %87.2%
Unhealthy Days0

Air Pollutants (EPA 2023)

Ozone (O₃)0.0445 ppm
NO₂ (Nitrogen Dioxide)7.0 ppb
PM2.5 (Fine Particles)6.5 μg/m³

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score92.0 / 100
Social Vulnerability12.8 / 100
Community Resilience93.0 / 100

Hazard Breakdown

Tornado Relatively Moderate
Hurricane Relatively Moderate
Earthquake Relatively Moderate
Wildfire Very Low
Flood Relatively High
Hail Very Low
Strong Wind Relatively Moderate
Heat Wave Relatively Moderate
Winter Weather Relatively Low
Lightning Relatively High
Ice Storm Relatively High
Drought Relatively Low
Cold Wave Relatively Moderate
Landslide Relatively Low
Coastal Flood Relatively High
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

30 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.8. Most recent: M3.8 on Jan 27, 2025.

Jan 27, 2025 9 km SE of York Harbor, Maine M3.8 115 km
Oct 2, 1994 6 km W of Hardwick, Massachusetts M3.7 82 km
Oct 6, 1992 1 km SW of Canterbury, New Hampshire M3.4 128 km
Oct 2, 1994 1 km NW of Hardwick, Massachusetts M3.3 78 km
Jan 12, 2015 0 km NE of Wauregan, Connecticut M3.3 70 km
Jun 16, 2000 5 km NE of Granville, Massachusetts M3.3 126 km
Sep 26, 2010 2 km SW of Canterbury, New Hampshire M3.2 129 km
Mar 22, 1996 2 km NE of Bristol, Rhode Island M3.1 56 km
Jan 10, 1999 2 km ENE of Merrimac, Massachusetts M3.1 77 km
Jan 10, 1999 1 km NNE of Merrimac, Massachusetts M3.0 77 km
Jan 27, 2000 3 km WNW of Fremont, New Hampshire M3.0 91 km
Jul 22, 2003 72 km NNE of Provincetown, Massachusetts M3.0 137 km
Jun 7, 2010 29 km SE of York Beach, Maine M2.9 123 km
Jan 8, 1998 52 km ENE of Rockport, Massachusetts M2.9 127 km
Mar 9, 2008 25 km SE of York Beach, Maine M2.8 120 km
Mar 21, 2016 4 km ESE of Warner, New Hampshire M2.8 126 km
Sep 28, 2002 2 km N of Wilton, New Hampshire M2.8 84 km
Mar 10, 1992 2 km SW of Napeague, New York M2.8 148 km
Mar 23, 1992 5 km SE of Hill, New Hampshire M2.8 148 km
Oct 11, 1990 5 km NNE of The Pinehills, Massachusetts M2.7 66 km
Source: USGS (M2.5+, 1990-2025)

Hurricane History

4 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 2. Most recent: Arthur (2014, Cat 1).

Year Name Category Closest
2014 Arthur Category 1 258 km
1996 Edouard Category 1 299 km
1991 Bob Category 2 80 km
1985 Gloria Category 1 128 km
Source: NOAA IBTrACS (Cat 1+, 1980-2026)

Tornado History

186 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 99 fatalities, 1,328 injuries.

Date Rating Distance Fatalities
Jun 9, 1953 EF4 78 km 94
Jun 22, 1981 EF3 69 km 0
Sep 29, 1974 EF3 46 km 0
Oct 3, 1970 EF3 73 km 1
Jun 9, 1953 EF3 39 km 0
Jun 9, 1953 EF3 91 km 0
Aug 18, 2023 EF2 49 km 0
Jul 28, 2014 EF2 33 km 0
Jul 11, 2006 EF2 99 km 0
May 21, 2006 EF2 90 km 0
Jul 3, 1997 EF2 96 km 0
Aug 7, 1986 EF2 48 km 0
Aug 10, 1979 EF2 70 km 2
Aug 9, 1972 EF2 79 km 0
Jul 21, 1972 EF2 56 km 0
Aug 28, 1970 EF2 73 km 0
Jul 17, 1968 EF2 82 km 0
Nov 18, 1967 EF2 41 km 0
Aug 31, 1966 EF2 43 km 0
Aug 28, 1965 EF2 57 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

1 wildfire (100+ acres) within 100 km. Largest: THE RANGE (760 ac, 2005).

Year Name Acres Distance
2005 THE RANGE 760 46 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 30°F (-1°C) 3.4 in Coldest
February 32°F (0°C) 2.8 in Driest
March 39°F (4°C) 3.7 in
April 50°F (10°C) 4.0 in
May 60°F (15°C) 3.3 in
June 69°F (20°C) 3.9 in
July 74°F (24°C) 3.0 in Warmest
August 72°F (22°C) 3.6 in
September 65°F (18°C) 3.8 in
October 53°F (12°C) 4.5 in Wettest
November 44°F (7°C) 3.7 in
December 35°F (2°C) 4.1 in

Medfield has a seasonal temperature swing of 44°F / from 30°F in January to 74°F in July. Total annual precipitation is 43.9 inches, with October being the wettest month (4.5") and February the driest (2.8").

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