Nelson weather by month
What a typical year looks like in Nelson, Wisconsin: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Durand, 22 km from Nelson; records cover 1903–2026.
The year at a glance
- Precipitation a year
- 35.2 in894 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 30
- First fall freeze
- Oct 10
- Heating degree days
- 7,784
- Cooling degree days
- 578
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −19°−28° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Nelson in January
Highs average 25°−4° and lows 5°−15°, with 1.1 in29 mm of precipitation in a typical January.
- Record high
- 56°13° (2012)
- Record low
- −37°−38° (2019)
- Heating degree days
- 1563
- Cooling degree days
- 0
Nelson in February
Highs average 29°−1° and lows 8°−14°, with 1.2 in30 mm of precipitation in a typical February.
- Record high
- 66°19° (2024)
- Record low
- −37°−38° (2019)
- Heating degree days
- 1303
- Cooling degree days
- 0
Nelson in March
Highs average 42°6° and lows 21°−6°, with 2.1 in52 mm of precipitation in a typical March.
- Record high
- 82°28° (2007)
- Record low
- −26°−32° (2014)
- Heating degree days
- 1035
- Cooling degree days
- 1
Nelson in April
Highs average 56°13° and lows 34°1°, with 3.3 in84 mm of precipitation in a typical April.
- Record high
- 89°32° (2009)
- Record low
- 9°−13° (2018)
- Heating degree days
- 604
- Cooling degree days
- 1
Nelson in May
Highs average 68°20° and lows 47°8°, with 4.2 in107 mm of precipitation in a typical May.
- Record high
- 97°36° (2018)
- Record low
- 28°−2° (2020)
- Heating degree days
- 263
- Cooling degree days
- 28
Nelson in June
Highs average 78°26° and lows 57°14°, with 5.1 in130 mm of precipitation in a typical June.
- Record high
- 100°38° (2011)
- Record low
- 30°−1° (2015)
- Heating degree days
- 44
- Cooling degree days
- 113
Nelson in July
Highs average 82°28° and lows 61°16°, with 3.9 in99 mm of precipitation in a typical July.
- Record high
- 99°37° (2012)
- Record low
- 47°8° (2013)
- Heating degree days
- 8
- Cooling degree days
- 211
Nelson in August
Highs average 80°27° and lows 59°15°, with 4.5 in115 mm of precipitation in a typical August.
- Record high
- 97°36° (2012)
- Record low
- 43°6° (2009)
- Heating degree days
- 19
- Cooling degree days
- 163
Nelson in September
Highs average 73°23° and lows 50°10°, with 3.8 in96 mm of precipitation in a typical September.
- Record high
- 99°37° (2023)
- Record low
- 30°−1° (2007)
- Heating degree days
- 154
- Cooling degree days
- 55
Nelson in OctoberThis month
Highs average 59°15° and lows 38°3°, with 2.7 in69 mm of precipitation in a typical October.
- Record high
- 90°32° (2023)
- Record low
- 15°−9° (2020)
- Heating degree days
- 511
- Cooling degree days
- 6
Nelson in November
Highs average 43°6° and lows 25°−4°, with 1.8 in46 mm of precipitation in a typical November.
- Record high
- 76°24° (2008)
- Record low
- 0°−18° (1903)
- Heating degree days
- 933
- Cooling degree days
- 0
Nelson in December
Highs average 30°−1° and lows 13°−10°, with 1.5 in38 mm of precipitation in a typical December.
- Record high
- 65°18° (2021)
- Record low
- −21°−29° (2013)
- Heating degree days
- 1347
- Cooling degree days
- 0