Palermo weather by month
What a typical year looks like in Palermo, New Jersey: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Estell Manor, 21 km from Palermo; records cover 1965–2026.
The year at a glance
- Precipitation a year
- 50.6 in1285 mm
- Snow a year
- 22 in56 cm
- Last spring freeze
- May 1
- First fall freeze
- Oct 18
- Heating degree days
- 4,865
- Cooling degree days
- 1,082
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 6°−14° (heating, 99%) and 95°35° (cooling, 1%).
Month by month
Palermo in January
Highs average 43°6° and lows 23°−5°, with 3.8 in97 mm of precipitation and 6 in15 cm of snow in a typical January.
- Record high
- 75°24° (2002)
- Record low
- −12°−24° (1982)
- Heating degree days
- 989
- Cooling degree days
- 0
Palermo in February
Highs average 46°8° and lows 25°−4°, with 3.4 in86 mm of precipitation and 8 in21 cm of snow in a typical February.
- Record high
- 76°24° (2000)
- Record low
- −10°−23° (1996)
- Heating degree days
- 834
- Cooling degree days
- 0
Palermo in March
Highs average 53°12° and lows 31°0°, with 5 in126 mm of precipitation and 3 in9 cm of snow in a typical March.
- Record high
- 88°31° (1998)
- Record low
- −2°−19° (2009)
- Heating degree days
- 708
- Cooling degree days
- 1
Palermo in April
Highs average 65°18° and lows 41°5°, with 3.8 in97 mm of precipitation and 0.7 in1.8 cm of snow in a typical April.
- Record high
- 97°36° (2002)
- Record low
- 17°−8° (1969)
- Heating degree days
- 385
- Cooling degree days
- 14
Palermo in May
Highs average 73°23° and lows 51°11°, with 3.5 in89 mm of precipitation in a typical May.
- Record high
- 97°36° (1969)
- Record low
- 26°−3° (1978)
- Heating degree days
- 153
- Cooling degree days
- 65
Palermo in June
Highs average 82°28° and lows 60°16°, with 4.1 in105 mm of precipitation in a typical June.
- Record high
- 102°39° (1969)
- Record low
- 37°3° (1997)
- Heating degree days
- 25
- Cooling degree days
- 206
Palermo in July
Highs average 87°30° and lows 66°19°, with 4.7 in119 mm of precipitation in a typical July.
- Record high
- 107°42° (1966)
- Record low
- 43°6° (1988)
- Heating degree days
- 1
- Cooling degree days
- 348
Palermo in August
Highs average 85°29° and lows 64°18°, with 5.5 in140 mm of precipitation in a typical August.
- Record high
- 100°38° (1966)
- Record low
- 39°4° (1986)
- Heating degree days
- 2
- Cooling degree days
- 292
Palermo in September
Highs average 79°26° and lows 57°14°, with 3.9 in100 mm of precipitation in a typical September.
- Record high
- 99°37° (1983)
- Record low
- 34°1° (1974)
- Heating degree days
- 52
- Cooling degree days
- 136
Palermo in OctoberThis month
Highs average 67°20° and lows 44°7°, with 4.5 in115 mm of precipitation in a typical October.
- Record high
- 95°35° (2019)
- Record low
- 17°−8° (1969)
- Heating degree days
- 301
- Cooling degree days
- 19
Palermo in November
Highs average 57°14° and lows 35°2°, with 3.5 in90 mm of precipitation in a typical November.
- Record high
- 83°28° (2024)
- Record low
- 10°−12° (1989)
- Heating degree days
- 570
- Cooling degree days
- 1
Palermo in December
Highs average 48°9° and lows 28°−2°, with 4.7 in120 mm of precipitation and 4 in9 cm of snow in a typical December.
- Record high
- 78°26° (1998)
- Record low
- −4°−20° (1980)
- Heating degree days
- 845
- Cooling degree days
- 0