Montgomery weather by month
What a typical year looks like in Montgomery, Pennsylvania: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Williamsport Regional Airport, 9 km from Montgomery; records cover 1895–2026.
The year at a glance
- Precipitation a year
- 43.5 in1105 mm
- Snow a year
- 36 in91 cm
- Last spring freeze
- Apr 28
- First fall freeze
- Oct 19
- Heating degree days
- 5,774
- Cooling degree days
- 798
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 3°−16° (heating, 99%) and 94°34° (cooling, 1%).
Month by month
Montgomery in January
Highs average 35°2° and lows 20°−7°, with 3 in75 mm of precipitation and 10 in25 cm of snow in a typical January.
- Record high
- 70°21° (1932)
- Record low
- −20°−29° (1994)
- Heating degree days
- 1156
- Cooling degree days
- 0
Montgomery in February
Highs average 39°4° and lows 22°−6°, with 2.3 in59 mm of precipitation and 9 in24 cm of snow in a typical February.
- Record high
- 76°24° (2017)
- Record low
- −18°−28° (1934)
- Heating degree days
- 977
- Cooling degree days
- 0
Montgomery in March
Highs average 48°9° and lows 29°−2°, with 3.1 in80 mm of precipitation and 7 in19 cm of snow in a typical March.
- Record high
- 87°31° (1986)
- Record low
- −5°−21° (1916)
- Heating degree days
- 815
- Cooling degree days
- 0
Montgomery in April
Highs average 62°17° and lows 39°4°, with 3.6 in92 mm of precipitation and 0.8 in2 cm of snow in a typical April.
- Record high
- 96°36° (1925)
- Record low
- 8°−13° (1923)
- Heating degree days
- 445
- Cooling degree days
- 6
Montgomery in May
Highs average 72°22° and lows 49°10°, with 3.9 in98 mm of precipitation in a typical May.
- Record high
- 96°36° (1895)
- Record low
- 28°−2° (1931)
- Heating degree days
- 180
- Cooling degree days
- 48
Montgomery in June
Highs average 81°27° and lows 58°15°, with 3.9 in98 mm of precipitation in a typical June.
- Record high
- 104°40° (1925)
- Record low
- 36°2° (1929)
- Heating degree days
- 28
- Cooling degree days
- 160
Montgomery in July
Highs average 85°29° and lows 63°17°, with 4.6 in118 mm of precipitation in a typical July.
- Record high
- 106°41° (1936)
- Record low
- 43°6° (1929)
- Heating degree days
- 2
- Cooling degree days
- 273
Montgomery in August
Highs average 83°28° and lows 61°16°, with 4.2 in106 mm of precipitation in a typical August.
- Record high
- 103°39° (1918)
- Record low
- 38°3° (1940)
- Heating degree days
- 6
- Cooling degree days
- 222
Montgomery in September
Highs average 75°24° and lows 54°12°, with 4.8 in121 mm of precipitation in a typical September.
- Record high
- 102°39° (1953)
- Record low
- 28°−2° (1947)
- Heating degree days
- 90
- Cooling degree days
- 80
Montgomery in OctoberThis month
Highs average 63°17° and lows 43°6°, with 3.7 in94 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 93°34° (1927)
- Record low
- 19°−7° (1936)
- Heating degree days
- 382
- Cooling degree days
- 9
Montgomery in November
Highs average 51°10° and lows 33°1°, with 3.3 in83 mm of precipitation and 1.7 in4.3 cm of snow in a typical November.
- Record high
- 83°28° (1950)
- Record low
- 3°−16° (1938)
- Heating degree days
- 693
- Cooling degree days
- 0
Montgomery in December
Highs average 40°4° and lows 26°−3°, with 3.3 in83 mm of precipitation and 7 in18 cm of snow in a typical December.
- Record high
- 70°21° (2006)
- Record low
- −15°−26° (1950)
- Heating degree days
- 1000
- Cooling degree days
- 0