Brookston weather by month
What a typical year looks like in Brookston, Minnesota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Floodwood 2e, 21 km from Brookston; records cover 1903–2026.
The year at a glance
- Precipitation a year
- 28.2 in715 mm
- Snow a year
- 56 in143 cm
- Last spring freeze
- May 30
- First fall freeze
- Sep 14
- Heating degree days
- 9,832
- Cooling degree days
- 181
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −29°−34° (heating, 99%) and 87°31° (cooling, 1%).
Month by month
Brookston in January
Highs average 18°−8° and lows −4°−20°, with 0.63 in16 mm of precipitation and 11 in27 cm of snow in a typical January.
- Record high
- 51°11° (1987)
- Record low
- −50°−46° (1996)
- Heating degree days
- 1795
- Cooling degree days
- 0
Brookston in February
Highs average 24°−5° and lows −1°−18°, with 0.66 in17 mm of precipitation and 9 in22 cm of snow in a typical February.
- Record high
- 57°14° (2017)
- Record low
- −43°−42° (1996)
- Heating degree days
- 1499
- Cooling degree days
- 0
Brookston in March
Highs average 36°2° and lows 13°−11°, with 1.2 in29 mm of precipitation and 7 in17 cm of snow in a typical March.
- Record high
- 77°25° (2012)
- Record low
- −35°−37° (2014)
- Heating degree days
- 1251
- Cooling degree days
- 0
Brookston in April
Highs average 50°10° and lows 27°−3°, with 2.3 in58 mm of precipitation and 7 in17 cm of snow in a typical April.
- Record high
- 86°30° (1987)
- Record low
- −4°−20° (2018)
- Heating degree days
- 797
- Cooling degree days
- 0
Brookston in May
Highs average 64°18° and lows 39°4°, with 2.9 in74 mm of precipitation and 0.2 in0.5 cm of snow in a typical May.
- Record high
- 89°32° (2006)
- Record low
- 15°−9° (2002)
- Heating degree days
- 437
- Cooling degree days
- 8
Brookston in June
Highs average 73°23° and lows 48°9°, with 4.9 in125 mm of precipitation in a typical June.
- Record high
- 93°34° (1907)
- Record low
- 25°−4° (1903)
- Heating degree days
- 167
- Cooling degree days
- 29
Brookston in July
Highs average 77°25° and lows 53°12°, with 3.9 in99 mm of precipitation in a typical July.
- Record high
- 99°37° (1988)
- Record low
- 35°2° (1908)
- Heating degree days
- 75
- Cooling degree days
- 77
Brookston in August
Highs average 76°24° and lows 51°11°, with 3.2 in81 mm of precipitation in a typical August.
- Record high
- 97°36° (2006)
- Record low
- 30°−1° (1986)
- Heating degree days
- 103
- Cooling degree days
- 52
Brookston in September
Highs average 67°19° and lows 44°6°, with 3.5 in89 mm of precipitation in a typical September.
- Record high
- 95°35° (2023)
- Record low
- 20°−7° (1907)
- Heating degree days
- 307
- Cooling degree days
- 15
Brookston in OctoberThis month
Highs average 53°11° and lows 32°0°, with 2.8 in71 mm of precipitation and 2.3 in5.8 cm of snow in a typical October.
- Record high
- 87°31° (2015)
- Record low
- 6°−14° (1905)
- Heating degree days
- 707
- Cooling degree days
- 0
Brookston in November
Highs average 36°2° and lows 19°−7°, with 1.2 in31 mm of precipitation and 8 in20 cm of snow in a typical November.
- Record high
- 74°23° (2020)
- Record low
- −17°−27° (1997)
- Heating degree days
- 1122
- Cooling degree days
- 0
Brookston in December
Highs average 23°−5° and lows 6°−15°, with 0.99 in25 mm of precipitation and 14 in34 cm of snow in a typical December.
- Record high
- 53°12° (1990)
- Record low
- −40° (1993)
- Heating degree days
- 1572
- Cooling degree days
- 0