Rockford weather by month
What a typical year looks like in Rockford, Michigan: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at East Grand Rapids, 23 km from Rockford; records cover 2003–2026.
The year at a glance
- Precipitation a year
- 39.6 in1006 mm
- Snow a year
- 75 in190 cm
- Last spring freeze
- May 1
- First fall freeze
- Oct 15
- Heating degree days
- 6,712
- Cooling degree days
- 547
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 0°−18° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Rockford in January
Highs average 31°−1° and lows 17°−8°, with 2.7 in69 mm of precipitation and 22 in55 cm of snow in a typical January.
- Record high
- 62°17° (2017)
- Record low
- −14°−26° (2026)
- Heating degree days
- 1278
- Cooling degree days
- 0
Rockford in February
Highs average 34°1° and lows 18°−8°, with 2.1 in54 mm of precipitation and 22 in57 cm of snow in a typical February.
- Record high
- 74°23° (2024)
- Record low
- −11°−24° (2007)
- Heating degree days
- 1097
- Cooling degree days
- 0
Rockford in March
Highs average 44°7° and lows 24°−4°, with 2.6 in66 mm of precipitation and 5 in13 cm of snow in a typical March.
- Record high
- 87°31° (2012)
- Record low
- −7°−22° (2014)
- Heating degree days
- 953
- Cooling degree days
- 0
Rockford in April
Highs average 57°14° and lows 35°2°, with 4.1 in104 mm of precipitation and 2.6 in6.6 cm of snow in a typical April.
- Record high
- 86°30° (2004)
- Record low
- 15°−9° (2018)
- Heating degree days
- 574
- Cooling degree days
- 3
Rockford in May
Highs average 69°21° and lows 46°8°, with 4.4 in112 mm of precipitation in a typical May.
- Record high
- 93°34° (2006)
- Record low
- 25°−4° (2005)
- Heating degree days
- 251
- Cooling degree days
- 20
Rockford in June
Highs average 79°26° and lows 56°13°, with 4 in102 mm of precipitation in a typical June.
- Record high
- 97°36° (2012)
- Record low
- 36°2° (2025)
- Heating degree days
- 43
- Cooling degree days
- 114
Rockford in July
Highs average 82°28° and lows 60°16°, with 3.3 in84 mm of precipitation in a typical July.
- Record high
- 104°40° (2012)
- Record low
- 45°7° (2024)
- Heating degree days
- 7
- Cooling degree days
- 199
Rockford in August
Highs average 81°27° and lows 58°15°, with 3.1 in77 mm of precipitation in a typical August.
- Record high
- 98°37° (2006)
- Record low
- 43°6° (2009)
- Heating degree days
- 20
- Cooling degree days
- 156
Rockford in September
Highs average 74°23° and lows 51°10°, with 3.5 in89 mm of precipitation in a typical September.
- Record high
- 94°34° (2017)
- Record low
- 34°1° (2006)
- Heating degree days
- 137
- Cooling degree days
- 50
Rockford in OctoberThis month
Highs average 61°16° and lows 40°4°, with 3.7 in94 mm of precipitation in a typical October.
- Record high
- 86°30° (2023)
- Record low
- 25°−4° (2020)
- Heating degree days
- 458
- Cooling degree days
- 5
Rockford in November
Highs average 47°8° and lows 31°−1°, with 3.3 in84 mm of precipitation and 6 in15 cm of snow in a typical November.
- Record high
- 77°25° (2020)
- Record low
- 11°−12° (2005)
- Heating degree days
- 789
- Cooling degree days
- 0
Rockford in December
Highs average 36°2° and lows 23°−5°, with 2.8 in70 mm of precipitation and 17 in43 cm of snow in a typical December.
- Record high
- 64°18° (2012)
- Record low
- −6°−21° (2017)
- Heating degree days
- 1105
- Cooling degree days
- 0