Prairie City weather by month
What a typical year looks like in Prairie City, South Dakota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Lodgepole 5sw, 24 km from Prairie City; records cover 2007–2026.
The year at a glance
- Precipitation a year
- 16.9 in428 mm
- Snow a year
- Rare
- Last spring freeze
- May 29
- First fall freeze
- Sep 8
- Heating degree days
- 8,942
- Cooling degree days
- 247
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −19°−28° (heating, 99%) and 94°34° (cooling, 1%).
Month by month
Prairie City in January
Highs average 28°−2° and lows 5°−15°, with 0.19 in4.8 mm of precipitation in a typical January.
- Record high
- 65°18° (2015)
- Record low
- −32°−36° (2024)
- Heating degree days
- 1508
- Cooling degree days
- 0
Prairie City in February
Highs average 31°−1° and lows 7°−14°, with 0.34 in8.6 mm of precipitation in a typical February.
- Record high
- 67°19° (2016)
- Record low
- −42°−41° (2025)
- Heating degree days
- 1296
- Cooling degree days
- 0
Prairie City in March
Highs average 43°6° and lows 16°−9°, with 0.65 in17 mm of precipitation in a typical March.
- Record high
- 79°26° (2012)
- Record low
- −25°−32° (2014)
- Heating degree days
- 1108
- Cooling degree days
- 0
Prairie City in April
Highs average 54°12° and lows 25°−4°, with 1.4 in36 mm of precipitation in a typical April.
- Record high
- 90°32° (2012)
- Record low
- −7°−22° (2014)
- Heating degree days
- 760
- Cooling degree days
- 0
Prairie City in May
Highs average 65°18° and lows 36°2°, with 2.5 in63 mm of precipitation in a typical May.
- Record high
- 93°34° (2025)
- Record low
- 13°−11° (2013)
- Heating degree days
- 451
- Cooling degree days
- 4
Prairie City in June
Highs average 74°24° and lows 47°8°, with 3.5 in89 mm of precipitation in a typical June.
- Record high
- 104°40° (2012)
- Record low
- 28°−2° (2022)
- Heating degree days
- 161
- Cooling degree days
- 30
Prairie City in July
Highs average 82°28° and lows 52°11°, with 2.3 in59 mm of precipitation in a typical July.
- Record high
- 105°41° (2021)
- Record low
- 34°1° (2008)
- Heating degree days
- 44
- Cooling degree days
- 103
Prairie City in August
Highs average 82°28° and lows 49°10°, with 2.1 in53 mm of precipitation in a typical August.
- Record high
- 102°39° (2012)
- Record low
- 30°−1° (2015)
- Heating degree days
- 72
- Cooling degree days
- 90
Prairie City in September
Highs average 73°23° and lows 40°4°, with 1.5 in38 mm of precipitation in a typical September.
- Record high
- 101°38° (2024)
- Record low
- 19°−7° (2020)
- Heating degree days
- 277
- Cooling degree days
- 20
Prairie City in OctoberThis month
Highs average 57°14° and lows 27°−3°, with 1.6 in40 mm of precipitation in a typical October.
- Record high
- 91°33° (2011)
- Record low
- −14°−26° (2020)
- Heating degree days
- 723
- Cooling degree days
- 0
Prairie City in November
Highs average 42°6° and lows 14°−10°, with 0.53 in13 mm of precipitation in a typical November.
- Record high
- 77°25° (2020)
- Record low
- −22°−30° (2025)
- Heating degree days
- 1110
- Cooling degree days
- 0
Prairie City in December
Highs average 31°−1° and lows 7°−14°, with 0.28 in7.1 mm of precipitation in a typical December.
- Record high
- 69°21° (2021)
- Record low
- −32°−36° (2013)
- Heating degree days
- 1432
- Cooling degree days
- 0