Cetronia weather by month
What a typical year looks like in Cetronia, Pennsylvania: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Allentown Lehigh Valley International Airport, 11 km from Cetronia; records cover 1922–2026.
The year at a glance
- Precipitation a year
- 47.4 in1203 mm
- Snow a year
- 33 in84 cm
- Last spring freeze
- Apr 22
- First fall freeze
- Oct 18
- Heating degree days
- 5,294
- Cooling degree days
- 981
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 94°34° (cooling, 1%).
Month by month
Cetronia in January
Highs average 38°4° and lows 22°−6°, with 3.3 in84 mm of precipitation and 10 in25 cm of snow in a typical January.
- Record high
- 72°22° (1950)
- Record low
- −15°−26° (1994)
- Heating degree days
- 1082
- Cooling degree days
- 0
Cetronia in February
Highs average 42°5° and lows 23°−5°, with 2.8 in70 mm of precipitation and 11 in27 cm of snow in a typical February.
- Record high
- 81°27° (2018)
- Record low
- −12°−24° (1934)
- Heating degree days
- 913
- Cooling degree days
- 0
Cetronia in March
Highs average 51°10° and lows 31°−1°, with 3.6 in92 mm of precipitation and 6 in16 cm of snow in a typical March.
- Record high
- 87°31° (1998)
- Record low
- −5°−21° (1934)
- Heating degree days
- 755
- Cooling degree days
- 0
Cetronia in April
Highs average 63°17° and lows 40°5°, with 3.7 in93 mm of precipitation and 0.5 in1.3 cm of snow in a typical April.
- Record high
- 93°34° (1976)
- Record low
- 12°−11° (1923)
- Heating degree days
- 403
- Cooling degree days
- 8
Cetronia in May
Highs average 74°23° and lows 51°10°, with 3.7 in93 mm of precipitation in a typical May.
- Record high
- 97°36° (1962)
- Record low
- 28°−2° (1947)
- Heating degree days
- 151
- Cooling degree days
- 60
Cetronia in June
Highs average 82°28° and lows 60°16°, with 4.4 in112 mm of precipitation in a typical June.
- Record high
- 100°38° (1923)
- Record low
- 39°4° (1932)
- Heating degree days
- 19
- Cooling degree days
- 196
Cetronia in July
Highs average 86°30° and lows 65°18°, with 5.3 in135 mm of precipitation in a typical July.
- Record high
- 105°41° (1966)
- Record low
- 46°8° (1933)
- Heating degree days
- 1
- Cooling degree days
- 328
Cetronia in August
Highs average 84°29° and lows 63°17°, with 4.6 in116 mm of precipitation in a typical August.
- Record high
- 100°38° (1924)
- Record low
- 41°5° (1934)
- Heating degree days
- 3
- Cooling degree days
- 268
Cetronia in September
Highs average 77°25° and lows 55°13°, with 4.8 in123 mm of precipitation in a typical September.
- Record high
- 99°37° (1953)
- Record low
- 30°−1° (1947)
- Heating degree days
- 69
- Cooling degree days
- 108
Cetronia in OctoberThis month
Highs average 66°19° and lows 44°7°, with 4.1 in105 mm of precipitation and 0.2 in0.5 cm of snow in a typical October.
- Record high
- 93°34° (2019)
- Record low
- 21°−6° (1936)
- Heating degree days
- 334
- Cooling degree days
- 13
Cetronia in November
Highs average 54°12° and lows 34°1°, with 3.2 in82 mm of precipitation and 0.9 in2.3 cm of snow in a typical November.
- Record high
- 81°27° (1950)
- Record low
- 3°−16° (1938)
- Heating degree days
- 632
- Cooling degree days
- 0
Cetronia in December
Highs average 43°6° and lows 27°−3°, with 3.9 in98 mm of precipitation and 5 in12 cm of snow in a typical December.
- Record high
- 72°22° (1984)
- Record low
- −8°−22° (1950)
- Heating degree days
- 932
- Cooling degree days
- 0