Wessington weather by month
What a typical year looks like in Wessington, South Dakota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Miller, 24 km from Wessington; records cover 1902–2026.
The year at a glance
- Precipitation a year
- 22.3 in567 mm
- Snow a year
- 44 in111 cm
- Last spring freeze
- May 10
- First fall freeze
- Oct 2
- Heating degree days
- 7,839
- Cooling degree days
- 652
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −15°−26° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
Wessington in January
Highs average 26°−3° and lows 7°−14°, with 0.42 in11 mm of precipitation and 7 in18 cm of snow in a typical January.
- Record high
- 65°18° (1987)
- Record low
- −48°−44° (1912)
- Heating degree days
- 1500
- Cooling degree days
- 0
Wessington in February
Highs average 31°−1° and lows 10°−12°, with 0.77 in20 mm of precipitation and 11 in27 cm of snow in a typical February.
- Record high
- 70°21° (1913)
- Record low
- −43°−42° (1905)
- Heating degree days
- 1253
- Cooling degree days
- 0
Wessington in March
Highs average 43°6° and lows 21°−6°, with 0.91 in23 mm of precipitation and 7 in17 cm of snow in a typical March.
- Record high
- 90°32° (1921)
- Record low
- −27°−33° (1917)
- Heating degree days
- 1034
- Cooling degree days
- 0
Wessington in April
Highs average 56°13° and lows 32°0°, with 2.2 in56 mm of precipitation and 5 in13 cm of snow in a typical April.
- Record high
- 98°37° (1980)
- Record low
- 0°−18° (1975)
- Heating degree days
- 628
- Cooling degree days
- 1
Wessington in May
Highs average 68°20° and lows 45°7°, with 3.5 in89 mm of precipitation in a typical May.
- Record high
- 107°42° (1934)
- Record low
- 15°−9° (1907)
- Heating degree days
- 289
- Cooling degree days
- 24
Wessington in June
Highs average 78°26° and lows 56°13°, with 3.9 in98 mm of precipitation in a typical June.
- Record high
- 112°44° (1931)
- Record low
- 30°−1° (1902)
- Heating degree days
- 60
- Cooling degree days
- 117
Wessington in July
Highs average 85°29° and lows 61°16°, with 3 in76 mm of precipitation in a typical July.
- Record high
- 113°45° (1931)
- Record low
- 35°2° (1912)
- Heating degree days
- 10
- Cooling degree days
- 251
Wessington in August
Highs average 83°28° and lows 58°15°, with 2.5 in62 mm of precipitation in a typical August.
- Record high
- 112°44° (1965)
- Record low
- 32°0° (1910)
- Heating degree days
- 23
- Cooling degree days
- 188
Wessington in September
Highs average 74°24° and lows 49°10°, with 2 in50 mm of precipitation in a typical September.
- Record high
- 110°43° (1913)
- Record low
- 18°−8° (1918)
- Heating degree days
- 165
- Cooling degree days
- 67
Wessington in OctoberThis month
Highs average 59°15° and lows 35°2°, with 2 in51 mm of precipitation and 1.1 in2.8 cm of snow in a typical October.
- Record high
- 97°36° (1922)
- Record low
- −10°−23° (1919)
- Heating degree days
- 558
- Cooling degree days
- 4
Wessington in November
Highs average 44°6° and lows 22°−5°, with 0.61 in15 mm of precipitation and 4 in11 cm of snow in a typical November.
- Record high
- 82°28° (1931)
- Record low
- −22°−30° (1905)
- Heating degree days
- 963
- Cooling degree days
- 0
Wessington in December
Highs average 30°−1° and lows 12°−11°, with 0.59 in15 mm of precipitation and 9 in22 cm of snow in a typical December.
- Record high
- 70°21° (1918)
- Record low
- −38°−39° (1917)
- Heating degree days
- 1356
- Cooling degree days
- 0