Johnson weather by month
What a typical year looks like in Johnson, Minnesota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Artichoke Lake 1 E, 25 km from Johnson; records cover 1917–2026.
The year at a glance
- Precipitation a year
- 26.5 in672 mm
- Snow a year
- 43 in109 cm
- Last spring freeze
- Apr 30
- First fall freeze
- Oct 7
- Heating degree days
- 8,022
- Cooling degree days
- 682
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −18°−28° (heating, 99%) and 91°33° (cooling, 1%).
Month by month
Johnson in January
Highs average 23°−5° and lows 3°−16°, with 0.75 in19 mm of precipitation and 9 in23 cm of snow in a typical January.
- Record high
- 63°17° (1981)
- Record low
- −37°−38° (1936)
- Heating degree days
- 1618
- Cooling degree days
- 0
Johnson in February
Highs average 28°−2° and lows 7°−14°, with 0.83 in21 mm of precipitation and 8 in21 cm of snow in a typical February.
- Record high
- 61°16° (2024)
- Record low
- −39° (1936)
- Heating degree days
- 1338
- Cooling degree days
- 0
Johnson in March
Highs average 40°4° and lows 20°−7°, with 1.3 in34 mm of precipitation and 6 in16 cm of snow in a typical March.
- Record high
- 80°27° (1928)
- Record low
- −32°−36° (1948)
- Heating degree days
- 1085
- Cooling degree days
- 0
Johnson in April
Highs average 56°13° and lows 34°1°, with 2.3 in58 mm of precipitation and 4 in10 cm of snow in a typical April.
- Record high
- 97°36° (1980)
- Record low
- −4°−20° (1924)
- Heating degree days
- 598
- Cooling degree days
- 2
Johnson in May
Highs average 70°21° and lows 47°8°, with 3.1 in77 mm of precipitation in a typical May.
- Record high
- 108°42° (1934)
- Record low
- 16°−9° (1926)
- Heating degree days
- 236
- Cooling degree days
- 41
Johnson in June
Highs average 79°26° and lows 58°14°, with 3.8 in96 mm of precipitation in a typical June.
- Record high
- 106°41° (1931)
- Record low
- 29°−2° (1946)
- Heating degree days
- 40
- Cooling degree days
- 148
Johnson in July
Highs average 83°28° and lows 62°17°, with 4.2 in106 mm of precipitation in a typical July.
- Record high
- 109°43° (1934)
- Record low
- 39°4° (1934)
- Heating degree days
- 8
- Cooling degree days
- 240
Johnson in August
Highs average 80°27° and lows 60°15°, with 3.2 in82 mm of precipitation in a typical August.
- Record high
- 105°41° (1959)
- Record low
- 31°−1° (1931)
- Heating degree days
- 20
- Cooling degree days
- 178
Johnson in September
Highs average 74°23° and lows 51°11°, with 2.7 in67 mm of precipitation in a typical September.
- Record high
- 106°41° (1931)
- Record low
- 17°−8° (1939)
- Heating degree days
- 147
- Cooling degree days
- 67
Johnson in OctoberThis month
Highs average 59°15° and lows 38°3°, with 2.3 in58 mm of precipitation and 0.9 in2.3 cm of snow in a typical October.
- Record high
- 94°34° (2023)
- Record low
- 3°−16° (1919)
- Heating degree days
- 528
- Cooling degree days
- 6
Johnson in November
Highs average 42°5° and lows 23°−5°, with 1.2 in30 mm of precipitation and 6 in14 cm of snow in a typical November.
- Record high
- 83°28° (1938)
- Record low
- −20°−29° (1921)
- Heating degree days
- 975
- Cooling degree days
- 0
Johnson in December
Highs average 28°−2° and lows 10°−12°, with 0.87 in22 mm of precipitation and 9 in23 cm of snow in a typical December.
- Record high
- 69°21° (1939)
- Record low
- −31°−35° (1917)
- Heating degree days
- 1429
- Cooling degree days
- 0