Humid subtropical

Williamstown, New Jersey

Gloucester County, New Jersey · Population 15k · 148 ft elevation

Living in Williamstown

Williamstown has a humid subtropical climate: hot summers (July highs around 87°F) and cold winters (January lows around 24°F).

Precipitation is wet at about 48″ a year, and it gets light snow (19″ a season).

Skies are sunny (63% of possible sunshine). Summers get sticky, with about 59 muggy days a year.

Air quality is good: a median AQI of 39, with about 3 unhealthy-air days in the latest year.

Williamstown at a glance

Population
15k
Elevation
148 ft
Average daily high
65°F45th percentile
Average daily low
44°F41th percentile
Annual precipitation
48″67th percentile
Annual snowfall
19″56th percentile
Sunshine hours per year
2,824 hrs53th percentile
Median AQI
3930th percentile
Median home value
$255k48th percentile
Median rent
$1,262/mo55th percentile
Median household income
$87k63th percentile
Property tax rate
2.75%98th percentile
Top state income-tax rate
10.8%
Sales tax (state + local)
6.6%
Unemployment rate
5.6%
Homes with broadband
86%24th percentile
Walkability index
10.771th percentile
Average commute
35 min
Math proficiency (8th grade)
50%58th percentile
Reading proficiency (8th grade)
63%
Violent crime rate
154 per 100k45th percentile
Property crime rate
879 per 100k
Overall natural-hazard risk
8742th percentile
Outdoor access
6464th percentile
Public land within 10 miles
13%
Public land within 30 miles
19%
Mountain relief within 30 miles
164 ft

Climate by month

Average monthly weather in Williamstown, New Jersey
MonthHighLowPrecipitationSnowSunshine
Jan42°F24°F3.5″5.7″165 hrs
Feb45°F25°F2.9″6.4″175 hrs
Mar52°F31°F4.3″2.9″214 hrs
Apr64°F41°F3.7″0.1″245 hrs
May73°F51°F3.5″—272 hrs
Jun82°F61°F4.1″—306 hrs
Jul87°F66°F4.5″—338 hrs
Aug85°F64°F4.7″—303 hrs
Sep79°F57°F4.1″—253 hrs
Oct67°F45°F4.3″—207 hrs
Nov56°F35°F3.5″0.2″185 hrs
Dec47°F28°F4.6″3.7″162 hrs

Near Williamstown

Largest places in New Jersey

Sources: NOAA climate normals, NASA POWER, EPA air quality, U.S. Census Bureau, FEMA, FBI, EPA walkability and EDFacts. Methodology