Andover weather by month
What a typical year looks like in Andover, Minnesota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at ELK RIVER, 20 km from Andover; records cover 1942–2026.
The year at a glance
- Precipitation a year
- 32.9 in835 mm
- Snow a year
- 36 in91 cm
- Last spring freeze
- May 1
- First fall freeze
- Oct 10
- Heating degree days
- 8,174
- Cooling degree days
- 570
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −16°−27° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Andover in January
Highs average 23°−5° and lows 4°−16°, with 0.8 in20 mm of precipitation and 8 in21 cm of snow in a typical January.
- Record high
- 55°13° (1944)
- Record low
- −40° (1943)
- Heating degree days
- 1612
- Cooling degree days
- 0
Andover in February
Highs average 28°−2° and lows 7°−14°, with 0.83 in21 mm of precipitation and 7 in19 cm of snow in a typical February.
- Record high
- 62°17° (2017)
- Record low
- −30°−34° (2021)
- Heating degree days
- 1330
- Cooling degree days
- 0
Andover in March
Highs average 41°5° and lows 18°−8°, with 1.7 in42 mm of precipitation and 6 in16 cm of snow in a typical March.
- Record high
- 79°26° (2007)
- Record low
- −20°−29° (2019)
- Heating degree days
- 1104
- Cooling degree days
- 0
Andover in April
Highs average 56°13° and lows 32°0°, with 3 in77 mm of precipitation and 2.4 in6.1 cm of snow in a typical April.
- Record high
- 89°32° (2023)
- Record low
- 4°−16° (2018)
- Heating degree days
- 629
- Cooling degree days
- 1
Andover in May
Highs average 69°21° and lows 45°7°, with 4.2 in107 mm of precipitation in a typical May.
- Record high
- 99°37° (2018)
- Record low
- 25°−4° (2017)
- Heating degree days
- 280
- Cooling degree days
- 24
Andover in June
Highs average 79°26° and lows 56°13°, with 4.5 in113 mm of precipitation in a typical June.
- Record high
- 102°39° (2021)
- Record low
- 35°2° (2021)
- Heating degree days
- 47
- Cooling degree days
- 118
Andover in July
Highs average 83°29° and lows 61°16°, with 4.5 in114 mm of precipitation in a typical July.
- Record high
- 98°37° (2011)
- Record low
- 47°8° (2016)
- Heating degree days
- 6
- Cooling degree days
- 228
Andover in August
Highs average 81°27° and lows 58°14°, with 4 in102 mm of precipitation in a typical August.
- Record high
- 98°37° (2023)
- Record low
- 35°2° (2020)
- Heating degree days
- 21
- Cooling degree days
- 150
Andover in September
Highs average 73°23° and lows 49°9°, with 3.6 in92 mm of precipitation in a typical September.
- Record high
- 96°36° (2023)
- Record low
- 30°−1° (2018)
- Heating degree days
- 173
- Cooling degree days
- 46
Andover in OctoberThis month
Highs average 58°14° and lows 36°2°, with 3 in75 mm of precipitation and 0.2 in0.5 cm of snow in a typical October.
- Record high
- 91°33° (2023)
- Record low
- 13°−11° (2020)
- Heating degree days
- 562
- Cooling degree days
- 3
Andover in November
Highs average 41°5° and lows 24°−5°, with 1.7 in43 mm of precipitation and 5 in13 cm of snow in a typical November.
- Record high
- 76°24° (2022)
- Record low
- −3°−19° (2014)
- Heating degree days
- 984
- Cooling degree days
- 0
Andover in December
Highs average 27°−3° and lows 11°−12°, with 1.1 in28 mm of precipitation and 6 in15 cm of snow in a typical December.
- Record high
- 56°13° (1943)
- Record low
- −30°−34° (1942)
- Heating degree days
- 1426
- Cooling degree days
- 0