New Buffalo weather by month
What a typical year looks like in New Buffalo, Pennsylvania: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Harrisburg 1 NE, 21 km from New Buffalo; records cover 1998–2026.
The year at a glance
- Precipitation a year
- 45.2 in1149 mm
- Snow a year
- 24 in61 cm
- Last spring freeze
- Apr 10
- First fall freeze
- Oct 26
- Heating degree days
- 5,615
- Cooling degree days
- 891
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 8°−13° (heating, 99%) and 95°35° (cooling, 1%).
Month by month
New Buffalo in January
Highs average 37°3° and lows 22°−6°, with 2.9 in73 mm of precipitation and 6 in16 cm of snow in a typical January.
- Record high
- 67°19° (2002)
- Record low
- −5°−21° (2025)
- Heating degree days
- 1110
- Cooling degree days
- 0
New Buffalo in February
Highs average 40°4° and lows 23°−5°, with 2.8 in70 mm of precipitation and 8 in20 cm of snow in a typical February.
- Record high
- 77°25° (2018)
- Record low
- −6°−21° (2007)
- Heating degree days
- 952
- Cooling degree days
- 0
New Buffalo in March
Highs average 48°9° and lows 30°−1°, with 3.9 in100 mm of precipitation and 5 in11 cm of snow in a typical March.
- Record high
- 83°28° (2025)
- Record low
- 4°−16° (2007)
- Heating degree days
- 804
- Cooling degree days
- 0
New Buffalo in April
Highs average 61°16° and lows 40°5°, with 3.9 in99 mm of precipitation and 0.4 in1 cm of snow in a typical April.
- Record high
- 90°32° (2002)
- Record low
- 22°−6° (2022)
- Heating degree days
- 440
- Cooling degree days
- 8
New Buffalo in May
Highs average 72°22° and lows 51°10°, with 4 in102 mm of precipitation in a typical May.
- Record high
- 93°34° (2026)
- Record low
- 32°0° (2020)
- Heating degree days
- 169
- Cooling degree days
- 50
New Buffalo in June
Highs average 81°27° and lows 60°16°, with 4 in102 mm of precipitation in a typical June.
- Record high
- 98°37° (2012)
- Record low
- 38°3° (2023)
- Heating degree days
- 24
- Cooling degree days
- 187
New Buffalo in July
Highs average 85°30° and lows 65°18°, with 4.8 in122 mm of precipitation in a typical July.
- Record high
- 104°40° (2012)
- Record low
- 46°8° (2017)
- Heating degree days
- 2
- Cooling degree days
- 310
New Buffalo in August
Highs average 83°28° and lows 62°17°, with 4.3 in109 mm of precipitation in a typical August.
- Record high
- 99°37° (1999)
- Record low
- 44°7° (2004)
- Heating degree days
- 5
- Cooling degree days
- 242
New Buffalo in September
Highs average 75°24° and lows 55°13°, with 4.6 in116 mm of precipitation in a typical September.
- Record high
- 94°34° (2010)
- Record low
- 33°1° (2002)
- Heating degree days
- 86
- Cooling degree days
- 85
New Buffalo in OctoberThis month
Highs average 63°17° and lows 43°6°, with 3.8 in96 mm of precipitation in a typical October.
- Record high
- 90°32° (2019)
- Record low
- 23°−5° (2006)
- Heating degree days
- 378
- Cooling degree days
- 9
New Buffalo in November
Highs average 51°11° and lows 34°1°, with 2.9 in73 mm of precipitation and 0.7 in1.8 cm of snow in a typical November.
- Record high
- 81°27° (2024)
- Record low
- 14°−10° (2022)
- Heating degree days
- 676
- Cooling degree days
- 0
New Buffalo in December
Highs average 41°5° and lows 27°−3°, with 3.4 in87 mm of precipitation and 4 in11 cm of snow in a typical December.
- Record high
- 72°22° (2006)
- Record low
- 3°−16° (2022)
- Heating degree days
- 969
- Cooling degree days
- 0