Vandalia weather by month
What a typical year looks like in Vandalia, Ohio: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Dayton International Airport, 4 km from Vandalia; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 41.3 in1050 mm
- Snow a year
- 25 in64 cm
- Last spring freeze
- Apr 17
- First fall freeze
- Oct 22
- Heating degree days
- 5,148
- Cooling degree days
- 1,153
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 0°−18° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Vandalia in January
Highs average 37°3° and lows 22°−6°, with 3.1 in78 mm of precipitation and 8 in21 cm of snow in a typical January.
- Record high
- 75°24° (1906)
- Record low
- −25°−32° (1994)
- Heating degree days
- 1102
- Cooling degree days
- 0
Vandalia in February
Highs average 41°5° and lows 25°−4°, with 2.4 in60 mm of precipitation and 7 in17 cm of snow in a typical February.
- Record high
- 76°24° (2017)
- Record low
- −28°−33° (1899)
- Heating degree days
- 900
- Cooling degree days
- 0
Vandalia in March
Highs average 52°11° and lows 33°0°, with 3.5 in89 mm of precipitation and 4 in10 cm of snow in a typical March.
- Record high
- 87°31° (1910)
- Record low
- −7°−22° (1980)
- Heating degree days
- 712
- Cooling degree days
- 2
Vandalia in April
Highs average 65°18° and lows 43°6°, with 4.5 in113 mm of precipitation and 0.4 in1 cm of snow in a typical April.
- Record high
- 90°32° (1899)
- Record low
- 15°−9° (1972)
- Heating degree days
- 354
- Cooling degree days
- 15
Vandalia in May
Highs average 74°23° and lows 54°12°, with 4.5 in115 mm of precipitation in a typical May.
- Record high
- 98°37° (1911)
- Record low
- 26°−3° (1963)
- Heating degree days
- 125
- Cooling degree days
- 94
Vandalia in June
Highs average 83°28° and lows 63°17°, with 4.1 in105 mm of precipitation in a typical June.
- Record high
- 102°39° (1944)
- Record low
- 40°4° (1913)
- Heating degree days
- 13
- Cooling degree days
- 242
Vandalia in July
Highs average 86°30° and lows 66°19°, with 4 in100 mm of precipitation in a typical July.
- Record high
- 108°42° (1901)
- Record low
- 44°7° (1972)
- Heating degree days
- 0
- Cooling degree days
- 341
Vandalia in August
Highs average 85°29° and lows 64°18°, with 3 in75 mm of precipitation in a typical August.
- Record high
- 103°39° (1918)
- Record low
- 40°4° (1910)
- Heating degree days
- 3
- Cooling degree days
- 296
Vandalia in September
Highs average 79°26° and lows 57°14°, with 3.3 in84 mm of precipitation in a typical September.
- Record high
- 102°39° (1899)
- Record low
- 30°−1° (1899)
- Heating degree days
- 58
- Cooling degree days
- 139
Vandalia in OctoberThis month
Highs average 66°19° and lows 46°8°, with 3 in75 mm of precipitation and 0.2 in0.5 cm of snow in a typical October.
- Record high
- 94°34° (2019)
- Record low
- 18°−8° (1895)
- Heating degree days
- 300
- Cooling degree days
- 23
Vandalia in November
Highs average 53°12° and lows 35°2°, with 3.1 in78 mm of precipitation and 0.8 in2 cm of snow in a typical November.
- Record high
- 80°27° (2020)
- Record low
- −2°−19° (1958)
- Heating degree days
- 629
- Cooling degree days
- 1
Vandalia in December
Highs average 42°5° and lows 27°−3°, with 3.1 in77 mm of precipitation and 5 in12 cm of snow in a typical December.
- Record high
- 72°22° (1982)
- Record low
- −20°−29° (1989)
- Heating degree days
- 952
- Cooling degree days
- 0