Bethel weather by month
What a typical year looks like in Bethel, Pennsylvania: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at LEBANON 2 W, 21 km from Bethel; records cover 1965–2026.
The year at a glance
- Precipitation a year
- 46.4 in1179 mm
- Snow a year
- 24 in61 cm
- Last spring freeze
- Apr 21
- First fall freeze
- Oct 21
- Heating degree days
- 5,457
- Cooling degree days
- 857
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 5°−15° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Bethel in January
Highs average 37°3° and lows 22°−6°, with 3.1 in78 mm of precipitation and 7 in17 cm of snow in a typical January.
- Record high
- 70°21° (1967)
- Record low
- −22°−30° (1985)
- Heating degree days
- 1100
- Cooling degree days
- 0
Bethel in February
Highs average 40°5° and lows 23°−5°, with 2.6 in65 mm of precipitation and 8 in20 cm of snow in a typical February.
- Record high
- 79°26° (2018)
- Record low
- −12°−24° (1979)
- Heating degree days
- 927
- Cooling degree days
- 0
Bethel in March
Highs average 49°10° and lows 31°−1°, with 3.6 in91 mm of precipitation and 4 in11 cm of snow in a typical March.
- Record high
- 84°29° (1998)
- Record low
- −4°−20° (1989)
- Heating degree days
- 774
- Cooling degree days
- 0
Bethel in April
Highs average 62°17° and lows 40°5°, with 3.7 in94 mm of precipitation and 0.4 in1 cm of snow in a typical April.
- Record high
- 91°33° (2002)
- Record low
- 18°−8° (1982)
- Heating degree days
- 421
- Cooling degree days
- 6
Bethel in May
Highs average 72°22° and lows 51°10°, with 4 in101 mm of precipitation in a typical May.
- Record high
- 95°35° (1969)
- Record low
- 27°−3° (1966)
- Heating degree days
- 166
- Cooling degree days
- 50
Bethel in June
Highs average 80°27° and lows 60°15°, with 4.5 in114 mm of precipitation in a typical June.
- Record high
- 100°38° (1966)
- Record low
- 37°3° (1986)
- Heating degree days
- 25
- Cooling degree days
- 170
Bethel in July
Highs average 84°29° and lows 64°18°, with 4.9 in123 mm of precipitation in a typical July.
- Record high
- 103°39° (1966)
- Record low
- 44°7° (1979)
- Heating degree days
- 1
- Cooling degree days
- 289
Bethel in August
Highs average 82°28° and lows 63°17°, with 4.6 in118 mm of precipitation in a typical August.
- Record high
- 98°37° (1973)
- Record low
- 38°3° (1982)
- Heating degree days
- 5
- Cooling degree days
- 238
Bethel in September
Highs average 76°24° and lows 55°13°, with 4.6 in118 mm of precipitation in a typical September.
- Record high
- 98°37° (1983)
- Record low
- 30°−1° (1974)
- Heating degree days
- 78
- Cooling degree days
- 93
Bethel in OctoberThis month
Highs average 64°18° and lows 44°7°, with 4.1 in104 mm of precipitation and 0.3 in0.8 cm of snow in a typical October.
- Record high
- 90°32° (2019)
- Record low
- 18°−8° (1975)
- Heating degree days
- 352
- Cooling degree days
- 11
Bethel in November
Highs average 52°11° and lows 34°1°, with 3.2 in82 mm of precipitation and 0.5 in1.3 cm of snow in a typical November.
- Record high
- 82°28° (1982)
- Record low
- 9°−13° (1976)
- Heating degree days
- 656
- Cooling degree days
- 0
Bethel in December
Highs average 42°5° and lows 27°−3°, with 3.6 in91 mm of precipitation and 4 in10 cm of snow in a typical December.
- Record high
- 75°24° (1984)
- Record low
- −4°−20° (2017)
- Heating degree days
- 952
- Cooling degree days
- 0