Avon weather by month
What a typical year looks like in Avon, Colorado: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at VAIL, 14 km from Avon; records cover 1985–2026.
The year at a glance
- Precipitation a year
- 22.4 in570 mm
- Snow a year
- 189 in481 cm
- Last spring freeze
- Jun 17
- First fall freeze
- Sep 7
- Heating degree days
- 9,880
- Cooling degree days
- 3
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −10°−23° (heating, 99%) and 85°29° (cooling, 1%).
Month by month
Avon in January
Highs average 29°−2° and lows 7°−14°, with 2 in50 mm of precipitation and 35 in90 cm of snow in a typical January.
- Record high
- 51°11° (1986)
- Record low
- −21°−29° (1988)
- Heating degree days
- 1471
- Cooling degree days
- 0
Avon in February
Highs average 33°1° and lows 9°−13°, with 2 in51 mm of precipitation and 36 in91 cm of snow in a typical February.
- Record high
- 55°13° (1986)
- Record low
- −32°−36° (1985)
- Heating degree days
- 1229
- Cooling degree days
- 0
Avon in March
Highs average 42°5° and lows 17°−8°, with 1.8 in45 mm of precipitation and 28 in72 cm of snow in a typical March.
- Record high
- 72°22° (2026)
- Record low
- −16°−27° (2002)
- Heating degree days
- 1110
- Cooling degree days
- 0
Avon in April
Highs average 49°10° and lows 24°−5°, with 2.4 in61 mm of precipitation and 21 in54 cm of snow in a typical April.
- Record high
- 74°23° (1989)
- Record low
- −1°−18° (2009)
- Heating degree days
- 852
- Cooling degree days
- 0
Avon in May
Highs average 60°16° and lows 31°−1°, with 2 in51 mm of precipitation and 5 in12 cm of snow in a typical May.
- Record high
- 82°28° (2002)
- Record low
- 14°−10° (1991)
- Heating degree days
- 598
- Cooling degree days
- 0
Avon in June
Highs average 71°22° and lows 36°2°, with 1.2 in31 mm of precipitation and 0.6 in1.5 cm of snow in a typical June.
- Record high
- 91°33° (1990)
- Record low
- 20°−7° (1985)
- Heating degree days
- 345
- Cooling degree days
- 0
Avon in July
Highs average 77°25° and lows 42°5°, with 1.8 in45 mm of precipitation in a typical July.
- Record high
- 95°35° (1989)
- Record low
- 22°−6° (2020)
- Heating degree days
- 183
- Cooling degree days
- 2
Avon in August
Highs average 74°23° and lows 41°5°, with 1.8 in44 mm of precipitation in a typical August.
- Record high
- 92°33° (1986)
- Record low
- 22°−6° (1992)
- Heating degree days
- 236
- Cooling degree days
- 1
Avon in September
Highs average 67°19° and lows 34°1°, with 2 in50 mm of precipitation and 0.9 in2.3 cm of snow in a typical September.
- Record high
- 86°30° (1990)
- Record low
- 14°−10° (1985)
- Heating degree days
- 441
- Cooling degree days
- 0
Avon in OctoberThis month
Highs average 54°12° and lows 25°−4°, with 1.8 in46 mm of precipitation and 9 in22 cm of snow in a typical October.
- Record high
- 78°26° (1989)
- Record low
- −6°−21° (2019)
- Heating degree days
- 786
- Cooling degree days
- 0
Avon in November
Highs average 38°3° and lows 15°−9°, with 2 in51 mm of precipitation and 26 in66 cm of snow in a typical November.
- Record high
- 66°19° (1988)
- Record low
- −16°−27° (2006)
- Heating degree days
- 1158
- Cooling degree days
- 0
Avon in December
Highs average 28°−2° and lows 7°−14°, with 1.7 in44 mm of precipitation and 28 in71 cm of snow in a typical December.
- Record high
- 51°11° (1987)
- Record low
- −22°−30° (1986)
- Heating degree days
- 1471
- Cooling degree days
- 0
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