St. Marys Point weather by month
What a typical year looks like in St. Marys Point, Minnesota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at ST. PAUL DOWNTOWN AIRPORT, 23 km from St. Marys Point; records cover 1872–2026.
The year at a glance
- Precipitation a year
- 29.2 in742 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 20
- First fall freeze
- Oct 11
- Heating degree days
- 7,445
- Cooling degree days
- 726
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −11°−24° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
St. Marys Point in January
Highs average 24°−5° and lows 9°−13°, with 0.48 in12 mm of precipitation in a typical January.
- Record high
- 58°14° (1944)
- Record low
- −41° (1888)
- Heating degree days
- 1511
- Cooling degree days
- 0
St. Marys Point in February
Highs average 29°−2° and lows 13°−11°, with 0.52 in13 mm of precipitation in a typical February.
- Record high
- 64°18° (2000)
- Record low
- −33°−36° (1888)
- Heating degree days
- 1238
- Cooling degree days
- 0
St. Marys Point in March
Highs average 42°5° and lows 25°−4°, with 1.4 in36 mm of precipitation in a typical March.
- Record high
- 83°28° (1910)
- Record low
- −23°−31° (1948)
- Heating degree days
- 988
- Cooling degree days
- 0
St. Marys Point in April
Highs average 57°14° and lows 37°3°, with 2.6 in66 mm of precipitation in a typical April.
- Record high
- 93°34° (1952)
- Record low
- 6°−14° (1924)
- Heating degree days
- 543
- Cooling degree days
- 3
St. Marys Point in May
Highs average 69°21° and lows 49°9°, with 4 in101 mm of precipitation in a typical May.
- Record high
- 99°37° (2018)
- Record low
- 23°−5° (1907)
- Heating degree days
- 225
- Cooling degree days
- 36
St. Marys Point in June
Highs average 79°26° and lows 59°15°, with 4.6 in118 mm of precipitation in a typical June.
- Record high
- 101°38° (1931)
- Record low
- 34°1° (1945)
- Heating degree days
- 35
- Cooling degree days
- 150
St. Marys Point in July
Highs average 83°28° and lows 64°18°, with 4 in101 mm of precipitation in a typical July.
- Record high
- 104°40° (1901)
- Record low
- 45°7° (1895)
- Heating degree days
- 5
- Cooling degree days
- 262
St. Marys Point in August
Highs average 80°27° and lows 62°17°, with 4.1 in104 mm of precipitation in a typical August.
- Record high
- 104°40° (1947)
- Record low
- 39°4° (1950)
- Heating degree days
- 10
- Cooling degree days
- 198
St. Marys Point in September
Highs average 72°22° and lows 53°12°, with 3.1 in78 mm of precipitation in a typical September.
- Record high
- 101°38° (1931)
- Record low
- 28°−2° (1899)
- Heating degree days
- 133
- Cooling degree days
- 70
St. Marys Point in OctoberThis month
Highs average 58°14° and lows 40°4°, with 2.5 in63 mm of precipitation in a typical October.
- Record high
- 91°33° (2023)
- Record low
- 8°−13° (1925)
- Heating degree days
- 503
- Cooling degree days
- 7
St. Marys Point in November
Highs average 42°6° and lows 27°−3°, with 1.3 in34 mm of precipitation in a typical November.
- Record high
- 78°26° (1999)
- Record low
- −25°−32° (1875)
- Heating degree days
- 912
- Cooling degree days
- 0
St. Marys Point in December
Highs average 29°−2° and lows 15°−10°, with 0.65 in17 mm of precipitation in a typical December.
- Record high
- 63°17° (1939)
- Record low
- −39° (1879)
- Heating degree days
- 1342
- Cooling degree days
- 0