Watchung weather by month
What a typical year looks like in Watchung, New Jersey: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Newark Liberty International Airport, 23 km from Watchung; records cover 1843–2026.
The year at a glance
- Precipitation a year
- 46.6 in1184 mm
- Snow a year
- 32 in80 cm
- Last spring freeze
- Mar 30
- First fall freeze
- Nov 8
- Heating degree days
- 4,701
- Cooling degree days
- 1,270
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 11°−12° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
Watchung in January
Highs average 40°4° and lows 26°−4°, with 3.4 in87 mm of precipitation and 9 in23 cm of snow in a typical January.
- Record high
- 74°23° (1950)
- Record low
- −13°−25° (1859)
- Heating degree days
- 1000
- Cooling degree days
- 0
Watchung in February
Highs average 43°6° and lows 27°−3°, with 3 in76 mm of precipitation and 10 in26 cm of snow in a typical February.
- Record high
- 80°27° (2018)
- Record low
- −14°−26° (1934)
- Heating degree days
- 837
- Cooling degree days
- 0
Watchung in March
Highs average 51°11° and lows 34°1°, with 4.1 in105 mm of precipitation and 6 in14 cm of snow in a typical March.
- Record high
- 89°32° (1945)
- Record low
- 2°−17° (1868)
- Heating degree days
- 697
- Cooling degree days
- 1
Watchung in April
Highs average 63°17° and lows 44°7°, with 3.9 in98 mm of precipitation and 0.5 in1.3 cm of snow in a typical April.
- Record high
- 97°36° (2002)
- Record low
- 13°−11° (1923)
- Heating degree days
- 363
- Cooling degree days
- 14
Watchung in May
Highs average 73°23° and lows 54°12°, with 4 in101 mm of precipitation in a typical May.
- Record high
- 99°37° (1996)
- Record low
- 31°−1° (1861)
- Heating degree days
- 124
- Cooling degree days
- 69
Watchung in June
Highs average 82°28° and lows 64°18°, with 4.3 in110 mm of precipitation in a typical June.
- Record high
- 103°39° (2021)
- Record low
- 38°3° (1843)
- Heating degree days
- 14
- Cooling degree days
- 245
Watchung in July
Highs average 87°31° and lows 69°21°, with 4.7 in118 mm of precipitation in a typical July.
- Record high
- 108°42° (2011)
- Record low
- 46°8° (1845)
- Heating degree days
- 0
- Cooling degree days
- 408
Watchung in August
Highs average 85°29° and lows 68°20°, with 4.2 in105 mm of precipitation in a typical August.
- Record high
- 105°41° (1918)
- Record low
- 45°7° (1982)
- Heating degree days
- 1
- Cooling degree days
- 352
Watchung in September
Highs average 78°25° and lows 61°16°, with 3.8 in97 mm of precipitation in a typical September.
- Record high
- 105°41° (1953)
- Record low
- 34°1° (1904)
- Heating degree days
- 33
- Cooling degree days
- 159
Watchung in OctoberThis month
Highs average 66°19° and lows 49°9°, with 3.8 in96 mm of precipitation and 0.2 in0.5 cm of snow in a typical October.
- Record high
- 96°36° (2019)
- Record low
- 22°−6° (1845)
- Heating degree days
- 253
- Cooling degree days
- 21
Watchung in November
Highs average 55°13° and lows 39°4°, with 3.3 in85 mm of precipitation and 0.6 in1.5 cm of snow in a typical November.
- Record high
- 85°29° (1950)
- Record low
- 8°−13° (1875)
- Heating degree days
- 542
- Cooling degree days
- 1
Watchung in December
Highs average 45°7° and lows 31°0°, with 4.1 in105 mm of precipitation and 5 in14 cm of snow in a typical December.
- Record high
- 76°24° (1998)
- Record low
- −13°−25° (1917)
- Heating degree days
- 837
- Cooling degree days
- 0