St. Bonifacius weather by month
What a typical year looks like in St. Bonifacius, Minnesota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Delano, 16 km from St. Bonifacius; records cover 1977–2026.
The year at a glance
- Precipitation a year
- 0 in0 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 28
- First fall freeze
- Oct 5
- Heating degree days
- 8,050
- Cooling degree days
- 612
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −17°−27° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
St. Bonifacius in January
Highs average 23°−5° and lows 4°−16°, with — of precipitation in a typical January.
- Record high
- 55°13° (1981)
- Record low
- −34°−37° (2019)
- Heating degree days
- 1596
- Cooling degree days
- 0
St. Bonifacius in February
Highs average 28°−2° and lows 7°−14°, with — of precipitation in a typical February.
- Record high
- 62°17° (2017)
- Record low
- −37°−38° (1996)
- Heating degree days
- 1340
- Cooling degree days
- 0
St. Bonifacius in March
Highs average 40°4° and lows 21°−6°, with — of precipitation in a typical March.
- Record high
- 79°26° (2007)
- Record low
- −20°−29° (2019)
- Heating degree days
- 1082
- Cooling degree days
- 0
St. Bonifacius in April
Highs average 56°13° and lows 33°1°, with — of precipitation in a typical April.
- Record high
- 93°34° (1980)
- Record low
- 3°−16° (2018)
- Heating degree days
- 619
- Cooling degree days
- 1
St. Bonifacius in May
Highs average 69°20° and lows 47°8°, with — of precipitation in a typical May.
- Record high
- 96°36° (2013)
- Record low
- 25°−4° (1989)
- Heating degree days
- 262
- Cooling degree days
- 29
St. Bonifacius in June
Highs average 78°25° and lows 57°14°, with — of precipitation in a typical June.
- Record high
- 101°38° (1988)
- Record low
- 36°2° (1979)
- Heating degree days
- 48
- Cooling degree days
- 126
St. Bonifacius in July
Highs average 83°28° and lows 62°17°, with — of precipitation in a typical July.
- Record high
- 104°40° (1988)
- Record low
- 41°5° (2005)
- Heating degree days
- 7
- Cooling degree days
- 235
St. Bonifacius in August
Highs average 80°27° and lows 59°15°, with — of precipitation in a typical August.
- Record high
- 100°38° (2006)
- Record low
- 37°3° (2004)
- Heating degree days
- 20
- Cooling degree days
- 163
St. Bonifacius in September
Highs average 72°22° and lows 50°10°, with — of precipitation in a typical September.
- Record high
- 97°36° (2023)
- Record low
- 29°−2° (2000)
- Heating degree days
- 168
- Cooling degree days
- 54
St. Bonifacius in OctoberThis month
Highs average 58°15° and lows 37°3°, with — of precipitation in a typical October.
- Record high
- 90°32° (2023)
- Record low
- 13°−11° (2020)
- Heating degree days
- 540
- Cooling degree days
- 4
St. Bonifacius in November
Highs average 41°5° and lows 24°−4°, with — of precipitation in a typical November.
- Record high
- 77°25° (1999)
- Record low
- −11°−24° (1991)
- Heating degree days
- 970
- Cooling degree days
- 0
St. Bonifacius in December
Highs average 28°−2° and lows 12°−11°, with — of precipitation in a typical December.
- Record high
- 64°18° (1998)
- Record low
- −27°−33° (1990)
- Heating degree days
- 1398
- Cooling degree days
- 0