Hammond weather by month
What a typical year looks like in Hammond, Wisconsin: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at RIVER FALLS, 19 km from Hammond; records cover 1918–2026.
The year at a glance
- Precipitation a year
- 34.1 in865 mm
- Snow a year
- Rare
- Last spring freeze
- May 14
- First fall freeze
- Sep 29
- Heating degree days
- 8,282
- Cooling degree days
- 458
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
Hammond in January
Highs average 22°−6° and lows 4°−15°, with 0.9 in23 mm of precipitation in a typical January.
- Record high
- 57°14° (1944)
- Record low
- −42°−41° (1951)
- Heating degree days
- 1607
- Cooling degree days
- 0
Hammond in February
Highs average 27°−3° and lows 8°−14°, with 0.85 in22 mm of precipitation in a typical February.
- Record high
- 63°17° (2024)
- Record low
- −47°−44° (1936)
- Heating degree days
- 1334
- Cooling degree days
- 0
Hammond in March
Highs average 40°5° and lows 20°−7°, with 1.7 in42 mm of precipitation in a typical March.
- Record high
- 81°27° (1986)
- Record low
- −38°−39° (1948)
- Heating degree days
- 1090
- Cooling degree days
- 0
Hammond in April
Highs average 55°13° and lows 32°0°, with 3.1 in78 mm of precipitation in a typical April.
- Record high
- 92°33° (1968)
- Record low
- −8°−22° (1924)
- Heating degree days
- 650
- Cooling degree days
- 2
Hammond in May
Highs average 68°20° and lows 43°6°, with 4.3 in109 mm of precipitation in a typical May.
- Record high
- 96°36° (2018)
- Record low
- 19°−7° (1925)
- Heating degree days
- 317
- Cooling degree days
- 22
Hammond in June
Highs average 77°25° and lows 54°12°, with 5 in128 mm of precipitation in a typical June.
- Record high
- 106°41° (1934)
- Record low
- 30°−1° (1945)
- Heating degree days
- 78
- Cooling degree days
- 91
Hammond in July
Highs average 82°28° and lows 58°15°, with 4.4 in112 mm of precipitation in a typical July.
- Record high
- 109°43° (1936)
- Record low
- 37°3° (1965)
- Heating degree days
- 19
- Cooling degree days
- 171
Hammond in August
Highs average 79°26° and lows 56°13°, with 4.7 in119 mm of precipitation in a typical August.
- Record high
- 103°39° (1947)
- Record low
- 32°0° (1931)
- Heating degree days
- 38
- Cooling degree days
- 122
Hammond in September
Highs average 71°22° and lows 49°9°, with 3.6 in90 mm of precipitation in a typical September.
- Record high
- 103°39° (1931)
- Record low
- 22°−6° (1942)
- Heating degree days
- 190
- Cooling degree days
- 46
Hammond in OctoberThis month
Highs average 57°14° and lows 36°2°, with 3 in75 mm of precipitation in a typical October.
- Record high
- 90°32° (1997)
- Record low
- 5°−15° (1988)
- Heating degree days
- 572
- Cooling degree days
- 4
Hammond in November
Highs average 41°5° and lows 24°−5°, with 1.6 in40 mm of precipitation in a typical November.
- Record high
- 78°26° (1933)
- Record low
- −19°−28° (1952)
- Heating degree days
- 981
- Cooling degree days
- 0
Hammond in December
Highs average 27°−3° and lows 12°−11°, with 1.1 in27 mm of precipitation in a typical December.
- Record high
- 66°19° (1998)
- Record low
- −36°−38° (1946)
- Heating degree days
- 1406
- Cooling degree days
- 0