Gillett weather by month
What a typical year looks like in Gillett, Wisconsin: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Suring, 13 km from Gillett; records cover 1959–2026.
The year at a glance
- Precipitation a year
- 32.1 in815 mm
- Snow a year
- 57 in144 cm
- Last spring freeze
- May 18
- First fall freeze
- Sep 29
- Heating degree days
- 8,417
- Cooling degree days
- 302
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 90°32° (cooling, 1%).
Month by month
Gillett in January
Highs average 24°−5° and lows 5°−15°, with 1.3 in34 mm of precipitation and 12 in29 cm of snow in a typical January.
- Record high
- 56°13° (1973)
- Record low
- −41° (1982)
- Heating degree days
- 1567
- Cooling degree days
- 0
Gillett in February
Highs average 28°−2° and lows 7°−14°, with 1.1 in29 mm of precipitation and 13 in34 cm of snow in a typical February.
- Record high
- 67°19° (2024)
- Record low
- −44°−42° (1996)
- Heating degree days
- 1326
- Cooling degree days
- 0
Gillett in March
Highs average 40°4° and lows 18°−8°, with 1.8 in45 mm of precipitation and 9 in22 cm of snow in a typical March.
- Record high
- 81°27° (2012)
- Record low
- −39° (1962)
- Heating degree days
- 1116
- Cooling degree days
- 0
Gillett in April
Highs average 53°12° and lows 30°−1°, with 2.9 in73 mm of precipitation and 6 in16 cm of snow in a typical April.
- Record high
- 91°33° (1980)
- Record low
- −3°−19° (1975)
- Heating degree days
- 703
- Cooling degree days
- 1
Gillett in May
Highs average 66°19° and lows 42°6°, with 3.4 in87 mm of precipitation and 0.1 in0.3 cm of snow in a typical May.
- Record high
- 92°33° (1964)
- Record low
- 12°−11° (1966)
- Heating degree days
- 349
- Cooling degree days
- 13
Gillett in June
Highs average 75°24° and lows 52°11°, with 4.2 in107 mm of precipitation in a typical June.
- Record high
- 100°38° (1970)
- Record low
- 26°−3° (1972)
- Heating degree days
- 103
- Cooling degree days
- 59
Gillett in July
Highs average 79°26° and lows 56°14°, with 4.1 in103 mm of precipitation in a typical July.
- Record high
- 101°38° (1975)
- Record low
- 28°−2° (1972)
- Heating degree days
- 38
- Cooling degree days
- 118
Gillett in August
Highs average 77°25° and lows 55°13°, with 3.2 in82 mm of precipitation in a typical August.
- Record high
- 99°37° (1964)
- Record low
- 29°−2° (1965)
- Heating degree days
- 51
- Cooling degree days
- 85
Gillett in September
Highs average 70°21° and lows 47°8°, with 3.5 in88 mm of precipitation in a typical September.
- Record high
- 95°35° (1976)
- Record low
- 16°−9° (1974)
- Heating degree days
- 231
- Cooling degree days
- 24
Gillett in OctoberThis month
Highs average 56°14° and lows 35°2°, with 2.8 in72 mm of precipitation and 0.6 in1.5 cm of snow in a typical October.
- Record high
- 90°32° (1963)
- Record low
- 8°−13° (1969)
- Heating degree days
- 602
- Cooling degree days
- 2
Gillett in November
Highs average 42°5° and lows 24°−4°, with 2 in51 mm of precipitation and 2.3 in5.8 cm of snow in a typical November.
- Record high
- 74°23° (1975)
- Record low
- −16°−27° (1976)
- Heating degree days
- 962
- Cooling degree days
- 0
Gillett in December
Highs average 29°−2° and lows 13°−11°, with 1.7 in43 mm of precipitation and 14 in35 cm of snow in a typical December.
- Record high
- 62°17° (2001)
- Record low
- −29°−34° (1962)
- Heating degree days
- 1369
- Cooling degree days
- 0