Deerfield, MA
Full City Profile · Massachusetts · Franklin County County
3.0
/5.0
B
Good
441
Population
240/sq mi density
48°F
Avg Temperature
307
Violent Crime/100K
500 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
307 violent crimes/100K
A+
Education
5.0 / 5.0
70.6% bachelor's degree or higher
Deerfield experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 24°F in January while summers reach 71°F in July. Annual precipitation totals 49.4 inches. The area receives 45.7 inches of snow annually. Air quality is rated Good with a median AQI of 36.
Temperature
24°F Jan (-4°C)
71°F Jul (22°C)
| Annual Average | 48.0°F |
| 11% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 71°F (22°C) |
Geography
| Elevation | 144 ft (44 m) |
| Area | 1.9 sq mi (4.8 km²) |
| Population Density | 240/sq mi |
| Coordinates | 42.5479°N, 72.6024°W |
| Timezone | America/New_York |
| County | Franklin County County |
| Nearest Airport | Westfield-Barnes Regional (BAF) 28 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
| Good Days % | 81.1% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0398 ppm |
| PM2.5 (Fine Particles) | 8.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 60.7 / 100 |
| Social Vulnerability | 33.0 / 100 |
| Community Resilience | 93.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very 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)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 3.5 in | Coldest |
| February | 26°F (-4°C) | 3.1 in | Driest |
| March | 34°F (1°C) | 3.9 in | |
| April | 46°F (8°C) | 3.8 in | |
| May | 57°F (14°C) | 4.0 in | |
| June | 66°F (19°C) | 4.8 in | Wettest |
| July | 71°F (22°C) | 4.1 in | Warmest |
| August | 69°F (21°C) | 4.7 in | |
| September | 62°F (17°C) | 4.2 in | |
| October | 51°F (10°C) | 4.7 in | |
| November | 39°F (4°C) | 3.8 in | |
| December | 30°F (-1°C) | 4.7 in |
Deerfield has a seasonal temperature swing of 47°F / from 24°F in January to 71°F in July. Total annual precipitation is 49.4 inches, with June being the wettest month (4.8") and February the driest (3.1").