Holly weather by month
What a typical year looks like in Holly, Michigan: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Flint Fcwos, 21 km from Holly; records cover 1921–2026.
The year at a glance
- Precipitation a year
- 32 in812 mm
- Snow a year
- 52 in132 cm
- Last spring freeze
- May 4
- First fall freeze
- Oct 7
- Heating degree days
- 6,850
- Cooling degree days
- 565
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −6°−21° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Holly in January
Highs average 30°−1° and lows 16°−9°, with 2 in51 mm of precipitation and 15 in38 cm of snow in a typical January.
- Record high
- 65°18° (1950)
- Record low
- −25°−32° (1976)
- Heating degree days
- 1303
- Cooling degree days
- 0
Holly in February
Highs average 33°0° and lows 17°−8°, with 1.7 in43 mm of precipitation and 13 in33 cm of snow in a typical February.
- Record high
- 74°23° (2024)
- Record low
- −25°−32° (2015)
- Heating degree days
- 1127
- Cooling degree days
- 0
Holly in March
Highs average 43°6° and lows 25°−4°, with 2 in50 mm of precipitation and 7 in17 cm of snow in a typical March.
- Record high
- 86°30° (2012)
- Record low
- −16°−27° (2014)
- Heating degree days
- 956
- Cooling degree days
- 1
Holly in April
Highs average 57°14° and lows 35°2°, with 3.1 in80 mm of precipitation and 2.4 in6.1 cm of snow in a typical April.
- Record high
- 88°31° (1925)
- Record low
- 6°−14° (1982)
- Heating degree days
- 572
- Cooling degree days
- 2
Holly in May
Highs average 69°21° and lows 46°8°, with 3.7 in93 mm of precipitation in a typical May.
- Record high
- 93°34° (1921)
- Record low
- 22°−6° (1966)
- Heating degree days
- 268
- Cooling degree days
- 34
Holly in June
Highs average 78°26° and lows 56°13°, with 3.1 in79 mm of precipitation in a typical June.
- Record high
- 104°40° (1934)
- Record low
- 33°1° (1966)
- Heating degree days
- 58
- Cooling degree days
- 119
Holly in July
Highs average 82°28° and lows 60°15°, with 3.4 in87 mm of precipitation in a typical July.
- Record high
- 108°42° (1936)
- Record low
- 40°4° (1965)
- Heating degree days
- 13
- Cooling degree days
- 196
Holly in August
Highs average 80°27° and lows 58°15°, with 3.2 in80 mm of precipitation in a typical August.
- Record high
- 103°39° (1931)
- Record low
- 37°3° (1982)
- Heating degree days
- 25
- Cooling degree days
- 152
Holly in September
Highs average 73°23° and lows 50°10°, with 2.9 in74 mm of precipitation in a typical September.
- Record high
- 100°38° (1939)
- Record low
- 26°−3° (1991)
- Heating degree days
- 152
- Cooling degree days
- 55
Holly in OctoberThis month
Highs average 60°16° and lows 40°5°, with 2.8 in70 mm of precipitation and 0.3 in0.8 cm of snow in a typical October.
- Record high
- 89°32° (1953)
- Record low
- 19°−7° (1966)
- Heating degree days
- 465
- Cooling degree days
- 6
Holly in November
Highs average 47°8° and lows 31°−1°, with 2.3 in58 mm of precipitation and 3 in8 cm of snow in a typical November.
- Record high
- 80°27° (2015)
- Record low
- −7°−22° (1949)
- Heating degree days
- 786
- Cooling degree days
- 0
Holly in December
Highs average 35°2° and lows 23°−5°, with 1.9 in48 mm of precipitation and 11 in29 cm of snow in a typical December.
- Record high
- 70°21° (2001)
- Record low
- −18°−28° (2017)
- Heating degree days
- 1125
- Cooling degree days
- 0