Mount Etna weather by month
What a typical year looks like in Mount Etna, Indiana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at MARION 2 N, 20 km from Mount Etna; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 41.8 in1061 mm
- Snow a year
- 25 in62 cm
- Last spring freeze
- Apr 23
- First fall freeze
- Oct 17
- Heating degree days
- 6,078
- Cooling degree days
- 812
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −3°−19° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Mount Etna in January
Highs average 33°1° and lows 18°−8°, with 2.9 in72 mm of precipitation and 8 in21 cm of snow in a typical January.
- Record high
- 71°22° (1995)
- Record low
- −23°−31° (1985)
- Heating degree days
- 1229
- Cooling degree days
- 0
Mount Etna in February
Highs average 37°3° and lows 20°−7°, with 2.2 in55 mm of precipitation and 6 in16 cm of snow in a typical February.
- Record high
- 76°24° (1922)
- Record low
- −20°−29° (1905)
- Heating degree days
- 1029
- Cooling degree days
- 0
Mount Etna in March
Highs average 48°9° and lows 28°−2°, with 2.9 in73 mm of precipitation and 4 in9 cm of snow in a typical March.
- Record high
- 86°30° (1910)
- Record low
- −11°−24° (1984)
- Heating degree days
- 837
- Cooling degree days
- 1
Mount Etna in April
Highs average 61°16° and lows 38°3°, with 4.1 in104 mm of precipitation and 0.3 in0.8 cm of snow in a typical April.
- Record high
- 95°35° (1899)
- Record low
- 5°−15° (1982)
- Heating degree days
- 468
- Cooling degree days
- 6
Mount Etna in May
Highs average 72°22° and lows 49°10°, with 4.8 in121 mm of precipitation in a typical May.
- Record high
- 100°38° (1911)
- Record low
- 26°−3° (1903)
- Heating degree days
- 193
- Cooling degree days
- 56
Mount Etna in June
Highs average 81°27° and lows 59°15°, with 4.4 in112 mm of precipitation in a typical June.
- Record high
- 103°39° (1934)
- Record low
- 34°1° (1894)
- Heating degree days
- 30
- Cooling degree days
- 180
Mount Etna in July
Highs average 84°29° and lows 63°17°, with 4.3 in110 mm of precipitation in a typical July.
- Record high
- 108°42° (1936)
- Record low
- 43°6° (1904)
- Heating degree days
- 5
- Cooling degree days
- 257
Mount Etna in August
Highs average 82°28° and lows 61°16°, with 3.9 in100 mm of precipitation in a typical August.
- Record high
- 103°39° (1918)
- Record low
- 38°3° (1915)
- Heating degree days
- 10
- Cooling degree days
- 204
Mount Etna in September
Highs average 77°25° and lows 53°12°, with 3.4 in86 mm of precipitation in a typical September.
- Record high
- 102°39° (1951)
- Record low
- 28°−2° (1928)
- Heating degree days
- 95
- Cooling degree days
- 94
Mount Etna in OctoberThis month
Highs average 64°18° and lows 42°5°, with 3.1 in79 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 92°33° (1946)
- Record low
- 15°−9° (1895)
- Heating degree days
- 384
- Cooling degree days
- 14
Mount Etna in November
Highs average 50°10° and lows 32°0°, with 3.3 in83 mm of precipitation and 1 in2.5 cm of snow in a typical November.
- Record high
- 84°29° (1950)
- Record low
- −5°−21° (1950)
- Heating degree days
- 729
- Cooling degree days
- 0
Mount Etna in December
Highs average 38°3° and lows 23°−5°, with 2.6 in66 mm of precipitation and 5 in13 cm of snow in a typical December.
- Record high
- 71°22° (1982)
- Record low
- −22°−30° (1924)
- Heating degree days
- 1069
- Cooling degree days
- 0