Colonial Pine Hills weather by month
What a typical year looks like in Colonial Pine Hills, South Dakota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Rapid City Regional Airport, 21 km from Colonial Pine Hills; records cover 1942–2026.
The year at a glance
- Precipitation a year
- 17.4 in443 mm
- Snow a year
- 49 in123 cm
- Last spring freeze
- May 14
- First fall freeze
- Sep 24
- Heating degree days
- 7,252
- Cooling degree days
- 607
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −12°−24° (heating, 99%) and 100°38° (cooling, 1%).
Month by month
Colonial Pine Hills in January
Highs average 36°2° and lows 13°−11°, with 0.31 in7.9 mm of precipitation and 5 in13 cm of snow in a typical January.
- Record high
- 76°24° (1987)
- Record low
- −27°−33° (1943)
- Heating degree days
- 1260
- Cooling degree days
- 0
Colonial Pine Hills in February
Highs average 38°3° and lows 14°−10°, with 0.5 in13 mm of precipitation and 8 in20 cm of snow in a typical February.
- Record high
- 75°24° (1988)
- Record low
- −31°−35° (1996)
- Heating degree days
- 1090
- Cooling degree days
- 0
Colonial Pine Hills in March
Highs average 48°9° and lows 23°−5°, with 0.91 in23 mm of precipitation and 8 in21 cm of snow in a typical March.
- Record high
- 87°31° (2026)
- Record low
- −21°−29° (1996)
- Heating degree days
- 918
- Cooling degree days
- 0
Colonial Pine Hills in April
Highs average 57°14° and lows 31°0°, with 2.1 in53 mm of precipitation and 10 in26 cm of snow in a typical April.
- Record high
- 93°34° (1989)
- Record low
- −1°−18° (2020)
- Heating degree days
- 634
- Cooling degree days
- 1
Colonial Pine Hills in May
Highs average 67°19° and lows 42°5°, with 3.5 in88 mm of precipitation and 1.5 in3.8 cm of snow in a typical May.
- Record high
- 98°37° (1969)
- Record low
- 18°−8° (1950)
- Heating degree days
- 349
- Cooling degree days
- 11
Colonial Pine Hills in June
Highs average 78°25° and lows 52°11°, with 2.9 in73 mm of precipitation in a typical June.
- Record high
- 109°43° (2002)
- Record low
- 31°−1° (1951)
- Heating degree days
- 93
- Cooling degree days
- 81
Colonial Pine Hills in July
Highs average 86°30° and lows 59°15°, with 2.3 in58 mm of precipitation in a typical July.
- Record high
- 112°44° (2026)
- Record low
- 39°4° (1959)
- Heating degree days
- 13
- Cooling degree days
- 244
Colonial Pine Hills in August
Highs average 85°30° and lows 56°13°, with 1.6 in40 mm of precipitation in a typical August.
- Record high
- 107°42° (2007)
- Record low
- 37°3° (2020)
- Heating degree days
- 25
- Cooling degree days
- 205
Colonial Pine Hills in September
Highs average 76°24° and lows 46°8°, with 1.2 in31 mm of precipitation and 0.1 in0.3 cm of snow in a typical September.
- Record high
- 104°40° (1960)
- Record low
- 18°−8° (1942)
- Heating degree days
- 175
- Cooling degree days
- 62
Colonial Pine Hills in OctoberThis month
Highs average 60°16° and lows 34°1°, with 1.4 in36 mm of precipitation and 3 in8 cm of snow in a typical October.
- Record high
- 96°36° (2011)
- Record low
- −7°−22° (2020)
- Heating degree days
- 560
- Cooling degree days
- 3
Colonial Pine Hills in November
Highs average 47°8° and lows 22°−6°, with 0.47 in12 mm of precipitation and 6 in14 cm of snow in a typical November.
- Record high
- 83°28° (1999)
- Record low
- −19°−28° (1959)
- Heating degree days
- 912
- Cooling degree days
- 0
Colonial Pine Hills in December
Highs average 37°3° and lows 14°−10°, with 0.35 in8.9 mm of precipitation and 7 in17 cm of snow in a typical December.
- Record high
- 75°24° (1965)
- Record low
- −30°−34° (1990)
- Heating degree days
- 1223
- Cooling degree days
- 0