Blaine weather by month
What a typical year looks like in Blaine, Minnesota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at UNIVERSITY OF MN ST. PAUL, 20 km from Blaine; records cover 1963–2026.
The year at a glance
- Precipitation a year
- 32.7 in831 mm
- Snow a year
- 40 in103 cm
- Last spring freeze
- Apr 28
- First fall freeze
- Oct 7
- Heating degree days
- 7,991
- Cooling degree days
- 640
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −13°−25° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Blaine in January
Highs average 21°−6° and lows 6°−15°, with 0.68 in17 mm of precipitation and 8 in21 cm of snow in a typical January.
- Record high
- 55°13° (2003)
- Record low
- −30°−34° (1994)
- Heating degree days
- 1601
- Cooling degree days
- 0
Blaine in February
Highs average 27°−3° and lows 9°−13°, with 0.75 in19 mm of precipitation and 12 in31 cm of snow in a typical February.
- Record high
- 62°17° (2024)
- Record low
- −32°−36° (1996)
- Heating degree days
- 1317
- Cooling degree days
- 0
Blaine in March
Highs average 39°4° and lows 22°−5°, with 1.6 in41 mm of precipitation and 4 in10 cm of snow in a typical March.
- Record high
- 82°28° (1986)
- Record low
- −18°−28° (2014)
- Heating degree days
- 1059
- Cooling degree days
- 0
Blaine in April
Highs average 55°13° and lows 36°2°, with 3 in77 mm of precipitation and 2.1 in5.3 cm of snow in a typical April.
- Record high
- 91°33° (1980)
- Record low
- 1°−17° (1995)
- Heating degree days
- 599
- Cooling degree days
- 3
Blaine in May
Highs average 67°19° and lows 48°9°, with 4.2 in107 mm of precipitation in a typical May.
- Record high
- 100°38° (2018)
- Record low
- 23°−5° (1967)
- Heating degree days
- 262
- Cooling degree days
- 34
Blaine in June
Highs average 77°25° and lows 59°15°, with 4.6 in117 mm of precipitation in a typical June.
- Record high
- 101°38° (1985)
- Record low
- 36°2° (1992)
- Heating degree days
- 51
- Cooling degree days
- 136
Blaine in July
Highs average 81°27° and lows 63°17°, with 4.6 in116 mm of precipitation in a typical July.
- Record high
- 105°41° (1988)
- Record low
- 44°7° (1969)
- Heating degree days
- 9
- Cooling degree days
- 229
Blaine in August
Highs average 79°26° and lows 61°16°, with 4.5 in115 mm of precipitation in a typical August.
- Record high
- 105°41° (1988)
- Record low
- 39°4° (2004)
- Heating degree days
- 22
- Cooling degree days
- 170
Blaine in September
Highs average 71°22° and lows 52°11°, with 3.3 in84 mm of precipitation in a typical September.
- Record high
- 95°35° (1976)
- Record low
- 26°−3° (1965)
- Heating degree days
- 159
- Cooling degree days
- 62
Blaine in OctoberThis month
Highs average 57°14° and lows 39°4°, with 2.9 in73 mm of precipitation and 0.5 in1.3 cm of snow in a typical October.
- Record high
- 90°32° (1997)
- Record low
- 15°−9° (2020)
- Heating degree days
- 530
- Cooling degree days
- 6
Blaine in November
Highs average 40°5° and lows 25°−4°, with 1.5 in39 mm of precipitation and 3 in8 cm of snow in a typical November.
- Record high
- 77°25° (1999)
- Record low
- −15°−26° (1964)
- Heating degree days
- 970
- Cooling degree days
- 0
Blaine in December
Highs average 26°−3° and lows 13°−11°, with 1.1 in27 mm of precipitation and 10 in26 cm of snow in a typical December.
- Record high
- 67°19° (1998)
- Record low
- −27°−33° (1983)
- Heating degree days
- 1412
- Cooling degree days
- 0