Summit Hill weather by month
What a typical year looks like in Summit Hill, Pennsylvania: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Lehighton 1ssw, 13 km from Summit Hill; records cover 1970–2026.
The year at a glance
- Precipitation a year
- 51.9 in1318 mm
- Snow a year
- 27 in69 cm
- Last spring freeze
- Apr 26
- First fall freeze
- Oct 20
- Heating degree days
- 6,027
- Cooling degree days
- 580
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 91°33° (cooling, 1%).
Month by month
Summit Hill in January
Highs average 36°2° and lows 19°−7°, with 3.8 in96 mm of precipitation and 8 in20 cm of snow in a typical January.
- Record high
- 66°19° (2002)
- Record low
- −11°−24° (2025)
- Heating degree days
- 1173
- Cooling degree days
- 0
Summit Hill in February
Highs average 38°4° and lows 21°−6°, with 2.9 in74 mm of precipitation and 10 in25 cm of snow in a typical February.
- Record high
- 72°22° (2017)
- Record low
- −9°−23° (2015)
- Heating degree days
- 994
- Cooling degree days
- 0
Summit Hill in March
Highs average 47°8° and lows 28°−2°, with 3.9 in99 mm of precipitation and 6 in16 cm of snow in a typical March.
- Record high
- 80°27° (2000)
- Record low
- 1°−17° (2015)
- Heating degree days
- 854
- Cooling degree days
- 0
Summit Hill in April
Highs average 61°16° and lows 38°3°, with 3.9 in98 mm of precipitation and 0.4 in1 cm of snow in a typical April.
- Record high
- 94°34° (2002)
- Record low
- 21°−6° (2002)
- Heating degree days
- 471
- Cooling degree days
- 5
Summit Hill in May
Highs average 71°21° and lows 48°9°, with 4.3 in108 mm of precipitation in a typical May.
- Record high
- 93°34° (2000)
- Record low
- 29°−2° (2020)
- Heating degree days
- 198
- Cooling degree days
- 24
Summit Hill in June
Highs average 78°25° and lows 57°14°, with 5.2 in131 mm of precipitation in a typical June.
- Record high
- 96°36° (2025)
- Record low
- 39°4° (2023)
- Heating degree days
- 36
- Cooling degree days
- 106
Summit Hill in July
Highs average 82°28° and lows 62°17°, with 4.7 in118 mm of precipitation in a typical July.
- Record high
- 100°38° (2011)
- Record low
- 46°8° (2001)
- Heating degree days
- 4
- Cooling degree days
- 222
Summit Hill in August
Highs average 80°27° and lows 60°16°, with 4.9 in123 mm of precipitation in a typical August.
- Record high
- 101°38° (2002)
- Record low
- 9°−13° (2000)
- Heating degree days
- 11
- Cooling degree days
- 163
Summit Hill in September
Highs average 73°23° and lows 53°12°, with 5.6 in142 mm of precipitation in a typical September.
- Record high
- 95°35° (2002)
- Record low
- 31°−1° (2000)
- Heating degree days
- 117
- Cooling degree days
- 57
Summit Hill in OctoberThis month
Highs average 62°16° and lows 41°5°, with 4.7 in120 mm of precipitation in a typical October.
- Record high
- 83°28° (2007)
- Record low
- 20°−7° (2006)
- Heating degree days
- 426
- Cooling degree days
- 3
Summit Hill in November
Highs average 50°10° and lows 32°0°, with 3.9 in98 mm of precipitation and 0.3 in0.8 cm of snow in a typical November.
- Record high
- 80°27° (2024)
- Record low
- 8°−13° (2018)
- Heating degree days
- 723
- Cooling degree days
- 0
Summit Hill in December
Highs average 40°4° and lows 24°−4°, with 4.4 in111 mm of precipitation and 2.7 in6.9 cm of snow in a typical December.
- Record high
- 71°22° (2001)
- Record low
- −8°−22° (2005)
- Heating degree days
- 1020
- Cooling degree days
- 0