Sanborn weather by month
What a typical year looks like in Sanborn, Minnesota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Lamberton Southwest Research And Outreach Center, 15 km from Sanborn; records cover 1961–2026.
The year at a glance
- Precipitation a year
- 29.3 in745 mm
- Snow a year
- 46 in118 cm
- Last spring freeze
- May 3
- First fall freeze
- Sep 30
- Heating degree days
- 8,079
- Cooling degree days
- 616
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 93°34° (cooling, 1%).
Month by month
Sanborn in January
Highs average 23°−5° and lows 5°−15°, with 0.54 in14 mm of precipitation and 9 in23 cm of snow in a typical January.
- Record high
- 66°19° (1981)
- Record low
- −34°−37° (1970)
- Heating degree days
- 1587
- Cooling degree days
- 0
Sanborn in February
Highs average 27°−3° and lows 9°−13°, with 0.66 in17 mm of precipitation and 8 in21 cm of snow in a typical February.
- Record high
- 68°20° (2005)
- Record low
- −30°−34° (1996)
- Heating degree days
- 1316
- Cooling degree days
- 0
Sanborn in March
Highs average 39°4° and lows 21°−6°, with 1.5 in38 mm of precipitation and 8 in20 cm of snow in a typical March.
- Record high
- 85°29° (2026)
- Record low
- −23°−31° (1984)
- Heating degree days
- 1076
- Cooling degree days
- 0
Sanborn in April
Highs average 55°13° and lows 33°1°, with 2.9 in74 mm of precipitation and 5 in12 cm of snow in a typical April.
- Record high
- 95°35° (1985)
- Record low
- 3°−16° (1982)
- Heating degree days
- 632
- Cooling degree days
- 2
Sanborn in May
Highs average 68°20° and lows 47°8°, with 4 in101 mm of precipitation and 0.2 in0.5 cm of snow in a typical May.
- Record high
- 100°38° (2018)
- Record low
- 18°−8° (1967)
- Heating degree days
- 272
- Cooling degree days
- 38
Sanborn in June
Highs average 79°26° and lows 58°14°, with 4.6 in117 mm of precipitation in a typical June.
- Record high
- 106°41° (1979)
- Record low
- 35°2° (1964)
- Heating degree days
- 47
- Cooling degree days
- 146
Sanborn in July
Highs average 82°28° and lows 61°16°, with 3.8 in96 mm of precipitation in a typical July.
- Record high
- 105°41° (1976)
- Record low
- 39°4° (1967)
- Heating degree days
- 12
- Cooling degree days
- 216
Sanborn in August
Highs average 80°26° and lows 58°14°, with 3.6 in90 mm of precipitation in a typical August.
- Record high
- 106°41° (1988)
- Record low
- 35°2° (1967)
- Heating degree days
- 30
- Cooling degree days
- 148
Sanborn in September
Highs average 73°23° and lows 49°10°, with 3.5 in88 mm of precipitation in a typical September.
- Record high
- 102°39° (1976)
- Record low
- 20°−7° (1974)
- Heating degree days
- 172
- Cooling degree days
- 60
Sanborn in OctoberThis month
Highs average 59°15° and lows 36°2°, with 2.3 in57 mm of precipitation and 0.7 in1.8 cm of snow in a typical October.
- Record high
- 95°35° (2023)
- Record low
- 2°−17° (2020)
- Heating degree days
- 552
- Cooling degree days
- 6
Sanborn in November
Highs average 42°5° and lows 23°−5°, with 1.3 in32 mm of precipitation and 6 in15 cm of snow in a typical November.
- Record high
- 81°27° (1999)
- Record low
- −19°−28° (1986)
- Heating degree days
- 976
- Cooling degree days
- 0
Sanborn in December
Highs average 28°−2° and lows 11°−11°, with 0.82 in21 mm of precipitation and 9 in24 cm of snow in a typical December.
- Record high
- 68°20° (1998)
- Record low
- −31°−35° (1983)
- Heating degree days
- 1407
- Cooling degree days
- 0