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Weather in Sewell, NJ · National Weather Service + NOAA

Sewell has milder winters than most of New Jersey

Sewell has chilly winters and warm summers. A typical July afternoon reaches 87°, a January night drops to 26°, and about 23 inches of snow falls in a normal winter. Normal November highs come to 56°, and lows to 38°.

Winter 44°/28°Spring 64°/43°Summer 85°/65°Fall 67°/48°
Right now
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Sunrise 6:30 am · sunset 4:57 pm

Getting the latest forecast from the National Weather Service…

What stands out about Sewell’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Milder winters than most of New JerseyJanuary nights average 26°, milder than 828 of 941 New Jersey towns.Warming faster than mostThe last 30 years averaged 2.0° warmer than the 1900s, a bigger shift than 92% of U.S. towns.The snowiest town aroundMore snow than any of the 4 towns around it with snow records.Warmer summers than most of New JerseyJuly afternoons average 87°, warmer than 829 of 941 New Jersey towns.
A normal year

Where today sits in Sewell’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
44° / 28°
5 days with an inch or more of snow
Spring
64° / 43°
Last frost around Apr 8
Summer
85° / 65°
20 days reach 90° in a normal year
Fall now
67° / 48°
First frost around Nov 1
Pastthe usual first frost (Nov 1). Last frost next spring: Apr 8
Best months to be outside
AprMayJunSepOct
Highs of 62–84° and lows of 40° or more
How much snow does Sewell get?About 23 inches a winter.When is it wettest?July, with 4.7 inches.Is it warmer than it used to be?+2.0° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in Sewell.

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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Sewell itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Philadelphia Intl Airport, PA (8 mi, snow) and Glassboro 2 Ne, NJ (3 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.