Slayton weather by month
What a typical year looks like in Slayton, Minnesota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Lake Wilson, 15 km from Slayton; records cover 1973–2026.
The year at a glance
- Precipitation a year
- 30.1 in766 mm
- Snow a year
- 46 in118 cm
- Last spring freeze
- May 9
- First fall freeze
- Sep 29
- Heating degree days
- 8,435
- Cooling degree days
- 497
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
Slayton in January
Highs average 21°−6° and lows 4°−16°, with 0.61 in15 mm of precipitation and 8 in20 cm of snow in a typical January.
- Record high
- 64°18° (1981)
- Record low
- −33°−36° (2010)
- Heating degree days
- 1624
- Cooling degree days
- 0
Slayton in February
Highs average 26°−3° and lows 8°−13°, with 0.91 in23 mm of precipitation and 10 in25 cm of snow in a typical February.
- Record high
- 70°21° (2000)
- Record low
- −26°−32° (1979)
- Heating degree days
- 1341
- Cooling degree days
- 0
Slayton in March
Highs average 38°4° and lows 20°−7°, with 1.6 in41 mm of precipitation and 9 in23 cm of snow in a typical March.
- Record high
- 83°28° (2012)
- Record low
- −20°−29° (2019)
- Heating degree days
- 1110
- Cooling degree days
- 0
Slayton in April
Highs average 54°12° and lows 32°0°, with 3 in75 mm of precipitation and 5 in13 cm of snow in a typical April.
- Record high
- 91°33° (1980)
- Record low
- 5°−15° (1975)
- Heating degree days
- 669
- Cooling degree days
- 1
Slayton in May
Highs average 67°19° and lows 45°7°, with 4 in102 mm of precipitation and 0.3 in0.8 cm of snow in a typical May.
- Record high
- 96°36° (1998)
- Record low
- 22°−6° (2005)
- Heating degree days
- 314
- Cooling degree days
- 25
Slayton in June
Highs average 77°25° and lows 56°13°, with 5 in126 mm of precipitation in a typical June.
- Record high
- 105°41° (1988)
- Record low
- 36°2° (1990)
- Heating degree days
- 66
- Cooling degree days
- 110
Slayton in July
Highs average 81°27° and lows 60°15°, with 3.6 in92 mm of precipitation in a typical July.
- Record high
- 104°40° (1976)
- Record low
- 43°6° (2013)
- Heating degree days
- 18
- Cooling degree days
- 187
Slayton in August
Highs average 79°26° and lows 57°14°, with 3.4 in86 mm of precipitation in a typical August.
- Record high
- 100°38° (1973)
- Record low
- 34°1° (2004)
- Heating degree days
- 40
- Cooling degree days
- 126
Slayton in September
Highs average 72°22° and lows 48°9°, with 3.2 in82 mm of precipitation in a typical September.
- Record high
- 101°38° (1976)
- Record low
- 23°−5° (1974)
- Heating degree days
- 198
- Cooling degree days
- 44
Slayton in OctoberThis month
Highs average 57°14° and lows 35°2°, with 2.3 in57 mm of precipitation and 0.8 in2 cm of snow in a typical October.
- Record high
- 92°33° (1997)
- Record low
- 8°−13° (2020)
- Heating degree days
- 590
- Cooling degree days
- 4
Slayton in November
Highs average 40°5° and lows 22°−6°, with 1.7 in43 mm of precipitation and 4 in10 cm of snow in a typical November.
- Record high
- 79°26° (1999)
- Record low
- −16°−27° (1977)
- Heating degree days
- 1017
- Cooling degree days
- 0
Slayton in December
Highs average 26°−3° and lows 10°−12°, with 0.84 in21 mm of precipitation and 9 in23 cm of snow in a typical December.
- Record high
- 64°18° (1998)
- Record low
- −28°−33° (1983)
- Heating degree days
- 1448
- Cooling degree days
- 0