Rapid City weather by month
What a typical year looks like in Rapid City, Michigan: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at TRAVERSE CITY CHERRY CAPITAL AP, 25 km from Rapid City; records cover 1896–2026.
The year at a glance
- Precipitation a year
- 29.1 in740 mm
- Snow a year
- Rare
- Last spring freeze
- May 17
- First fall freeze
- Oct 9
- Heating degree days
- 7,104
- Cooling degree days
- 535
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −3°−19° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Rapid City in January
Highs average 29°−1° and lows 17°−8°, with 1.7 in42 mm of precipitation in a typical January.
- Record high
- 59°15° (1944)
- Record low
- −21°−29° (1964)
- Heating degree days
- 1297
- Cooling degree days
- 0
Rapid City in February
Highs average 31°0° and lows 16°−9°, with 1 in26 mm of precipitation in a typical February.
- Record high
- 73°23° (2024)
- Record low
- −37°−38° (1979)
- Heating degree days
- 1152
- Cooling degree days
- 0
Rapid City in March
Highs average 41°5° and lows 23°−5°, with 1.6 in39 mm of precipitation in a typical March.
- Record high
- 87°31° (2012)
- Record low
- −30°−34° (1943)
- Heating degree days
- 1018
- Cooling degree days
- 1
Rapid City in April
Highs average 54°12° and lows 33°0°, with 2.8 in71 mm of precipitation in a typical April.
- Record high
- 90°32° (1970)
- Record low
- 1°−17° (1965)
- Heating degree days
- 651
- Cooling degree days
- 2
Rapid City in May
Highs average 67°20° and lows 43°6°, with 2.8 in72 mm of precipitation in a typical May.
- Record high
- 96°36° (2022)
- Record low
- 17°−8° (1966)
- Heating degree days
- 327
- Cooling degree days
- 27
Rapid City in June
Highs average 77°25° and lows 54°12°, with 2.6 in65 mm of precipitation in a typical June.
- Record high
- 104°40° (1934)
- Record low
- 28°−2° (1965)
- Heating degree days
- 83
- Cooling degree days
- 101
Rapid City in July
Highs average 81°27° and lows 59°15°, with 2.7 in69 mm of precipitation in a typical July.
- Record high
- 105°41° (1936)
- Record low
- 31°−1° (1965)
- Heating degree days
- 20
- Cooling degree days
- 186
Rapid City in August
Highs average 80°26° and lows 59°15°, with 3 in76 mm of precipitation in a typical August.
- Record high
- 100°38° (1917)
- Record low
- 32°0° (1982)
- Heating degree days
- 25
- Cooling degree days
- 153
Rapid City in September
Highs average 72°22° and lows 52°11°, with 3.4 in86 mm of precipitation in a typical September.
- Record high
- 96°36° (1931)
- Record low
- 26°−3° (1945)
- Heating degree days
- 153
- Cooling degree days
- 58
Rapid City in OctoberThis month
Highs average 59°15° and lows 41°5°, with 3.6 in91 mm of precipitation in a typical October.
- Record high
- 89°32° (1922)
- Record low
- 15°−9° (1896)
- Heating degree days
- 475
- Cooling degree days
- 7
Rapid City in November
Highs average 46°8° and lows 32°0°, with 2.2 in57 mm of precipitation in a typical November.
- Record high
- 78°26° (1896)
- Record low
- −5°−21° (1950)
- Heating degree days
- 789
- Cooling degree days
- 0
Rapid City in December
Highs average 35°1° and lows 24°−5°, with 1.8 in45 mm of precipitation in a typical December.
- Record high
- 66°19° (2021)
- Record low
- −13°−25° (1976)
- Heating degree days
- 1114
- Cooling degree days
- 0