Bonneauville weather by month
What a typical year looks like in Bonneauville, Pennsylvania: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Emmitsburg 2 SE, 20 km from Bonneauville; records cover 1956–2026.
The year at a glance
- Precipitation a year
- 46.6 in1185 mm
- Snow a year
- 28 in70 cm
- Last spring freeze
- Apr 17
- First fall freeze
- Oct 18
- Heating degree days
- 5,239
- Cooling degree days
- 914
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
Bonneauville in January
Highs average 40°4° and lows 22°−5°, with 3.5 in89 mm of precipitation and 9 in22 cm of snow in a typical January.
- Record high
- 74°23° (1967)
- Record low
- −27°−33° (1994)
- Heating degree days
- 1049
- Cooling degree days
- 0
Bonneauville in February
Highs average 43°6° and lows 23°−5°, with 2.6 in65 mm of precipitation and 9 in22 cm of snow in a typical February.
- Record high
- 79°26° (2018)
- Record low
- −13°−25° (1983)
- Heating degree days
- 900
- Cooling degree days
- 0
Bonneauville in March
Highs average 52°11° and lows 30°−1°, with 4.2 in106 mm of precipitation and 4 in11 cm of snow in a typical March.
- Record high
- 87°31° (1989)
- Record low
- −5°−21° (1960)
- Heating degree days
- 749
- Cooling degree days
- 1
Bonneauville in April
Highs average 64°18° and lows 40°4°, with 3.9 in99 mm of precipitation and 0.2 in0.5 cm of snow in a typical April.
- Record high
- 92°33° (1960)
- Record low
- 15°−9° (1982)
- Heating degree days
- 404
- Cooling degree days
- 8
Bonneauville in May
Highs average 72°22° and lows 51°10°, with 4.3 in109 mm of precipitation in a typical May.
- Record high
- 94°34° (1962)
- Record low
- 26°−3° (1968)
- Heating degree days
- 162
- Cooling degree days
- 52
Bonneauville in June
Highs average 81°27° and lows 60°15°, with 4.3 in108 mm of precipitation in a typical June.
- Record high
- 101°38° (1959)
- Record low
- 35°2° (1997)
- Heating degree days
- 23
- Cooling degree days
- 177
Bonneauville in July
Highs average 85°30° and lows 64°18°, with 4.3 in109 mm of precipitation in a typical July.
- Record high
- 103°39° (1966)
- Record low
- 39°4° (1996)
- Heating degree days
- 1
- Cooling degree days
- 306
Bonneauville in August
Highs average 84°29° and lows 62°17°, with 3.5 in90 mm of precipitation in a typical August.
- Record high
- 103°39° (1983)
- Record low
- 36°2° (1982)
- Heating degree days
- 4
- Cooling degree days
- 252
Bonneauville in September
Highs average 77°25° and lows 55°13°, with 5.2 in132 mm of precipitation in a typical September.
- Record high
- 98°37° (1980)
- Record low
- 24°−4° (1963)
- Heating degree days
- 70
- Cooling degree days
- 104
Bonneauville in OctoberThis month
Highs average 66°19° and lows 44°6°, with 3.8 in96 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 91°33° (2019)
- Record low
- 16°−9° (1969)
- Heating degree days
- 334
- Cooling degree days
- 14
Bonneauville in November
Highs average 54°12° and lows 33°1°, with 3.4 in86 mm of precipitation and 0.8 in2 cm of snow in a typical November.
- Record high
- 82°28° (1971)
- Record low
- 9°−13° (1964)
- Heating degree days
- 633
- Cooling degree days
- 0
Bonneauville in December
Highs average 44°7° and lows 27°−3°, with 3.8 in96 mm of precipitation and 5 in11 cm of snow in a typical December.
- Record high
- 77°25° (1982)
- Record low
- −19°−28° (1960)
- Heating degree days
- 910
- Cooling degree days
- 0