Aurora weather by month
What a typical year looks like in Aurora, Missouri: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Billings 1sw, 16 km from Aurora; records cover 1962–2026.
The year at a glance
- Precipitation a year
- 45.8 in1163 mm
- Snow a year
- 12 in30 cm
- Last spring freeze
- Apr 14
- First fall freeze
- Oct 21
- Heating degree days
- 4,504
- Cooling degree days
- 1,383
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 3°−16° (heating, 99%) and 99°37° (cooling, 1%).
Month by month
Aurora in January
Highs average 45°7° and lows 22°−6°, with 2.6 in65 mm of precipitation and 5 in12 cm of snow in a typical January.
- Record high
- 73°23° (1965)
- Record low
- −17°−27° (1985)
- Heating degree days
- 984
- Cooling degree days
- 0
Aurora in February
Highs average 50°10° and lows 25°−4°, with 2.4 in61 mm of precipitation and 2.5 in6.4 cm of snow in a typical February.
- Record high
- 83°28° (2017)
- Record low
- −20°−29° (2021)
- Heating degree days
- 767
- Cooling degree days
- 0
Aurora in March
Highs average 59°15° and lows 33°1°, with 3.9 in99 mm of precipitation and 0.9 in2.3 cm of snow in a typical March.
- Record high
- 90°32° (2026)
- Record low
- −1°−18° (2014)
- Heating degree days
- 586
- Cooling degree days
- 3
Aurora in April
Highs average 69°20° and lows 43°6°, with 4.5 in115 mm of precipitation and 0.2 in0.5 cm of snow in a typical April.
- Record high
- 95°35° (2006)
- Record low
- 15°−9° (2007)
- Heating degree days
- 300
- Cooling degree days
- 20
Aurora in May
Highs average 76°25° and lows 54°12°, with 5.6 in143 mm of precipitation in a typical May.
- Record high
- 94°34° (2012)
- Record low
- 29°−2° (1976)
- Heating degree days
- 99
- Cooling degree days
- 98
Aurora in June
Highs average 85°29° and lows 63°17°, with 4.4 in113 mm of precipitation in a typical June.
- Record high
- 103°39° (2012)
- Record low
- 41°5° (1972)
- Heating degree days
- 7
- Cooling degree days
- 268
Aurora in July
Highs average 90°32° and lows 67°19°, with 4 in102 mm of precipitation in a typical July.
- Record high
- 109°43° (1986)
- Record low
- 47°8° (1970)
- Heating degree days
- 0
- Cooling degree days
- 406
Aurora in August
Highs average 89°32° and lows 65°18°, with 3.5 in89 mm of precipitation in a typical August.
- Record high
- 109°43° (2011)
- Record low
- 44°7° (1986)
- Heating degree days
- 2
- Cooling degree days
- 377
Aurora in September
Highs average 82°28° and lows 57°14°, with 4.8 in122 mm of precipitation in a typical September.
- Record high
- 104°40° (2011)
- Record low
- 35°2° (1983)
- Heating degree days
- 40
- Cooling degree days
- 176
Aurora in OctoberThis month
Highs average 70°21° and lows 45°7°, with 3.5 in89 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 94°34° (1980)
- Record low
- 17°−8° (1993)
- Heating degree days
- 264
- Cooling degree days
- 33
Aurora in November
Highs average 58°14° and lows 34°1°, with 3.6 in92 mm of precipitation and 0.5 in1.3 cm of snow in a typical November.
- Record high
- 86°30° (2006)
- Record low
- 3°−16° (1976)
- Heating degree days
- 575
- Cooling degree days
- 2
Aurora in December
Highs average 48°9° and lows 26°−4°, with 2.9 in72 mm of precipitation and 3 in8 cm of snow in a typical December.
- Record high
- 78°26° (2025)
- Record low
- −15°−26° (1989)
- Heating degree days
- 880
- Cooling degree days
- 0