Avalon weather by month
What a typical year looks like in Avalon, Missouri: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Chillicothe 2s, 15 km from Avalon; records cover 1980–2026.
The year at a glance
- Precipitation a year
- 41.2 in1046 mm
- Snow a year
- 14 in35 cm
- Last spring freeze
- Apr 12
- First fall freeze
- Oct 23
- Heating degree days
- 5,681
- Cooling degree days
- 1,195
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −4°−20° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Avalon in January
Highs average 35°1° and lows 16°−9°, with 1.3 in32 mm of precipitation and 5 in12 cm of snow in a typical January.
- Record high
- 74°23° (2013)
- Record low
- −20°−29° (1982)
- Heating degree days
- 1227
- Cooling degree days
- 0
Avalon in February
Highs average 40°4° and lows 21°−6°, with 1.8 in46 mm of precipitation and 5 in11 cm of snow in a typical February.
- Record high
- 78°26° (2024)
- Record low
- −17°−27° (2014)
- Heating degree days
- 974
- Cooling degree days
- 0
Avalon in March
Highs average 52°11° and lows 31°−1°, with 2.9 in74 mm of precipitation and 1.6 in4.1 cm of snow in a typical March.
- Record high
- 92°33° (2026)
- Record low
- −6°−21° (1998)
- Heating degree days
- 734
- Cooling degree days
- 2
Avalon in April
Highs average 64°18° and lows 41°5°, with 3.8 in95 mm of precipitation and 0.3 in0.8 cm of snow in a typical April.
- Record high
- 93°34° (2012)
- Record low
- 11°−12° (2018)
- Heating degree days
- 389
- Cooling degree days
- 12
Avalon in May
Highs average 74°23° and lows 53°12°, with 5.4 in136 mm of precipitation in a typical May.
- Record high
- 98°37° (2018)
- Record low
- 31°−1° (2005)
- Heating degree days
- 135
- Cooling degree days
- 84
Avalon in June
Highs average 83°28° and lows 63°17°, with 5.2 in132 mm of precipitation in a typical June.
- Record high
- 108°42° (2012)
- Record low
- 44°7° (1985)
- Heating degree days
- 12
- Cooling degree days
- 255
Avalon in July
Highs average 87°31° and lows 67°19°, with 4.7 in120 mm of precipitation in a typical July.
- Record high
- 110°43° (2012)
- Record low
- 50°10° (1997)
- Heating degree days
- 1
- Cooling degree days
- 379
Avalon in August
Highs average 86°30° and lows 64°18°, with 4.6 in117 mm of precipitation in a typical August.
- Record high
- 109°43° (1984)
- Record low
- 41°5° (1986)
- Heating degree days
- 3
- Cooling degree days
- 315
Avalon in September
Highs average 78°26° and lows 55°13°, with 4.4 in112 mm of precipitation in a typical September.
- Record high
- 100°38° (2000)
- Record low
- 30°−1° (1983)
- Heating degree days
- 76
- Cooling degree days
- 127
Avalon in OctoberThis month
Highs average 66°19° and lows 43°6°, with 3.2 in82 mm of precipitation in a typical October.
- Record high
- 95°35° (2006)
- Record low
- 19°−7° (2022)
- Heating degree days
- 347
- Cooling degree days
- 20
Avalon in November
Highs average 51°11° and lows 31°0°, with 2.3 in58 mm of precipitation and 0.4 in1 cm of snow in a typical November.
- Record high
- 81°27° (1980)
- Record low
- −9°−23° (1991)
- Heating degree days
- 712
- Cooling degree days
- 1
Avalon in December
Highs average 39°4° and lows 22°−6°, with 1.7 in43 mm of precipitation and 2.4 in6.1 cm of snow in a typical December.
- Record high
- 75°24° (2012)
- Record low
- −26°−32° (1989)
- Heating degree days
- 1071
- Cooling degree days
- 0