Wasta weather by month
What a typical year looks like in Wasta, South Dakota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Wasta, 0 km from Wasta; records cover 1949–2026.
The year at a glance
- Precipitation a year
- 17.7 in448 mm
- Snow a year
- 30 in77 cm
- Last spring freeze
- May 10
- First fall freeze
- Sep 24
- Heating degree days
- 7,065
- Cooling degree days
- 818
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 102°39° (cooling, 1%).
Month by month
Wasta in January
Highs average 35°2° and lows 9°−13°, with 0.28 in7.1 mm of precipitation and 4 in10 cm of snow in a typical January.
- Record high
- 78°26° (2015)
- Record low
- −33°−36° (1963)
- Heating degree days
- 1325
- Cooling degree days
- 0
Wasta in February
Highs average 39°4° and lows 13°−11°, with 0.53 in13 mm of precipitation and 6 in16 cm of snow in a typical February.
- Record high
- 77°25° (1983)
- Record low
- −38°−39° (1996)
- Heating degree days
- 1097
- Cooling degree days
- 0
Wasta in March
Highs average 50°10° and lows 22°−5°, with 0.87 in22 mm of precipitation and 6 in14 cm of snow in a typical March.
- Record high
- 86°30° (2012)
- Record low
- −29°−34° (1998)
- Heating degree days
- 893
- Cooling degree days
- 0
Wasta in April
Highs average 60°16° and lows 33°0°, with 1.9 in48 mm of precipitation and 4 in9 cm of snow in a typical April.
- Record high
- 97°36° (1992)
- Record low
- 5°−15° (1975)
- Heating degree days
- 562
- Cooling degree days
- 2
Wasta in May
Highs average 70°21° and lows 44°6°, with 3.6 in90 mm of precipitation and 0.1 in0.3 cm of snow in a typical May.
- Record high
- 102°39° (1969)
- Record low
- 15°−9° (1950)
- Heating degree days
- 283
- Cooling degree days
- 23
Wasta in June
Highs average 80°27° and lows 54°12°, with 2.7 in69 mm of precipitation in a typical June.
- Record high
- 111°44° (2002)
- Record low
- 32°0° (1969)
- Heating degree days
- 63
- Cooling degree days
- 127
Wasta in July
Highs average 89°32° and lows 60°16°, with 2.3 in59 mm of precipitation in a typical July.
- Record high
- 111°44° (1954)
- Record low
- 38°3° (1959)
- Heating degree days
- 8
- Cooling degree days
- 303
Wasta in August
Highs average 88°31° and lows 58°14°, with 1.6 in40 mm of precipitation in a typical August.
- Record high
- 109°43° (1961)
- Record low
- 35°2° (1992)
- Heating degree days
- 16
- Cooling degree days
- 269
Wasta in September
Highs average 79°26° and lows 47°8°, with 1.2 in30 mm of precipitation in a typical September.
- Record high
- 107°42° (2001)
- Record low
- 19°−7° (1984)
- Heating degree days
- 142
- Cooling degree days
- 88
Wasta in OctoberThis month
Highs average 63°17° and lows 34°1°, with 1.8 in45 mm of precipitation and 1.1 in2.8 cm of snow in a typical October.
- Record high
- 98°37° (1963)
- Record low
- −10°−23° (2020)
- Heating degree days
- 522
- Cooling degree days
- 6
Wasta in November
Highs average 49°9° and lows 21°−6°, with 0.64 in16 mm of precipitation and 4 in11 cm of snow in a typical November.
- Record high
- 86°30° (1999)
- Record low
- −25°−32° (1959)
- Heating degree days
- 900
- Cooling degree days
- 0
Wasta in December
Highs average 37°3° and lows 12°−11°, with 0.32 in8.1 mm of precipitation and 6 in14 cm of snow in a typical December.
- Record high
- 72°22° (1957)
- Record low
- −33°−36° (1989)
- Heating degree days
- 1254
- Cooling degree days
- 0