Hillman weather by month
What a typical year looks like in Hillman, Michigan: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Atlanta, 21 km from Hillman; records cover 2005–2026.
The year at a glance
- Precipitation a year
- 32 in812 mm
- Snow a year
- Rare
- Last spring freeze
- May 23
- First fall freeze
- Sep 16
- Heating degree days
- 8,159
- Cooling degree days
- 331
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −16°−27° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Hillman in January
Highs average 26°−3° and lows 10°−12°, with 1.9 in48 mm of precipitation in a typical January.
- Record high
- 55°13° (2013)
- Record low
- −26°−32° (2009)
- Heating degree days
- 1454
- Cooling degree days
- 0
Hillman in February
Highs average 29°−1° and lows 9°−13°, with 1.5 in39 mm of precipitation in a typical February.
- Record high
- 70°21° (2024)
- Record low
- −33°−36° (2015)
- Heating degree days
- 1280
- Cooling degree days
- 0
Hillman in March
Highs average 40°4° and lows 16°−9°, with 1.8 in46 mm of precipitation in a typical March.
- Record high
- 87°31° (2012)
- Record low
- −30°−34° (2014)
- Heating degree days
- 1149
- Cooling degree days
- 0
Hillman in April
Highs average 53°12° and lows 29°−2°, with 3 in77 mm of precipitation in a typical April.
- Record high
- 88°31° (2023)
- Record low
- −2°−19° (2016)
- Heating degree days
- 729
- Cooling degree days
- 0
Hillman in May
Highs average 67°19° and lows 40°4°, with 3 in76 mm of precipitation in a typical May.
- Record high
- 96°36° (2006)
- Record low
- 19°−7° (2005)
- Heating degree days
- 381
- Cooling degree days
- 15
Hillman in June
Highs average 76°25° and lows 50°10°, with 3.2 in82 mm of precipitation in a typical June.
- Record high
- 98°37° (2009)
- Record low
- 28°−2° (2013)
- Heating degree days
- 123
- Cooling degree days
- 66
Hillman in July
Highs average 80°27° and lows 55°13°, with 3.3 in85 mm of precipitation in a typical July.
- Record high
- 100°38° (2018)
- Record low
- 33°1° (2009)
- Heating degree days
- 49
- Cooling degree days
- 129
Hillman in August
Highs average 79°26° and lows 53°12°, with 3.2 in82 mm of precipitation in a typical August.
- Record high
- 99°37° (2006)
- Record low
- 32°0° (2009)
- Heating degree days
- 64
- Cooling degree days
- 90
Hillman in September
Highs average 71°22° and lows 45°7°, with 3.3 in83 mm of precipitation in a typical September.
- Record high
- 93°34° (2013)
- Record low
- 25°−4° (2011)
- Heating degree days
- 238
- Cooling degree days
- 28
Hillman in OctoberThis month
Highs average 57°14° and lows 36°2°, with 3.5 in88 mm of precipitation in a typical October.
- Record high
- 89°32° (2007)
- Record low
- 15°−9° (2013)
- Heating degree days
- 581
- Cooling degree days
- 3
Hillman in November
Highs average 43°6° and lows 28°−2°, with 2.2 in57 mm of precipitation in a typical November.
- Record high
- 75°24° (2008)
- Record low
- −7°−22° (2013)
- Heating degree days
- 893
- Cooling degree days
- 0
Hillman in December
Highs average 32°0° and lows 19°−7°, with 1.9 in49 mm of precipitation in a typical December.
- Record high
- 61°16° (2012)
- Record low
- −21°−29° (2008)
- Heating degree days
- 1218
- Cooling degree days
- 0