Vivian weather by month
What a typical year looks like in Vivian, South Dakota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Pierre 24 S, 11 km from Vivian; records cover 2006–2026.
The year at a glance
- Precipitation a year
- 19.7 in499 mm
- Snow a year
- Rare
- Last spring freeze
- May 9
- First fall freeze
- Oct 7
- Heating degree days
- 7,270
- Cooling degree days
- 734
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −10°−23° (heating, 99%) and 99°37° (cooling, 1%).
Month by month
Vivian in January
Highs average 30°−1° and lows 11°−11°, with 0.39 in9.9 mm of precipitation in a typical January.
- Record high
- 68°20° (2012)
- Record low
- −24°−31° (2024)
- Heating degree days
- 1373
- Cooling degree days
- 0
Vivian in February
Highs average 34°1° and lows 14°−10°, with 0.59 in15 mm of precipitation in a typical February.
- Record high
- 73°23° (2016)
- Record low
- −25°−32° (2021)
- Heating degree days
- 1150
- Cooling degree days
- 0
Vivian in March
Highs average 46°8° and lows 23°−5°, with 0.92 in23 mm of precipitation in a typical March.
- Record high
- 87°31° (2012)
- Record low
- −19°−28° (2019)
- Heating degree days
- 944
- Cooling degree days
- 0
Vivian in April
Highs average 57°14° and lows 33°1°, with 2 in51 mm of precipitation in a typical April.
- Record high
- 94°34° (2026)
- Record low
- 5°−15° (2014)
- Heating degree days
- 591
- Cooling degree days
- 2
Vivian in May
Highs average 68°20° and lows 44°7°, with 3.1 in80 mm of precipitation in a typical May.
- Record high
- 96°36° (2009)
- Record low
- 23°−5° (2013)
- Heating degree days
- 293
- Cooling degree days
- 20
Vivian in June
Highs average 78°26° and lows 56°13°, with 3.5 in90 mm of precipitation in a typical June.
- Record high
- 103°39° (2021)
- Record low
- 41°5° (2008)
- Heating degree days
- 57
- Cooling degree days
- 112
Vivian in July
Highs average 86°30° and lows 61°16°, with 2.5 in62 mm of precipitation in a typical July.
- Record high
- 109°43° (2016)
- Record low
- 45°7° (2014)
- Heating degree days
- 4
- Cooling degree days
- 274
Vivian in August
Highs average 85°30° and lows 59°15°, with 2.3 in58 mm of precipitation in a typical August.
- Record high
- 111°44° (2012)
- Record low
- 45°7° (2020)
- Heating degree days
- 14
- Cooling degree days
- 239
Vivian in September
Highs average 76°25° and lows 50°10°, with 1.5 in38 mm of precipitation in a typical September.
- Record high
- 103°39° (2012)
- Record low
- 29°−2° (2012)
- Heating degree days
- 138
- Cooling degree days
- 80
Vivian in OctoberThis month
Highs average 60°16° and lows 37°3°, with 1.6 in40 mm of precipitation in a typical October.
- Record high
- 94°34° (2011)
- Record low
- 3°−16° (2020)
- Heating degree days
- 520
- Cooling degree days
- 7
Vivian in November
Highs average 45°7° and lows 24°−4°, with 0.86 in22 mm of precipitation in a typical November.
- Record high
- 83°28° (2020)
- Record low
- −7°−22° (2014)
- Heating degree days
- 908
- Cooling degree days
- 0
Vivian in December
Highs average 33°0° and lows 15°−10°, with 0.37 in9.4 mm of precipitation in a typical December.
- Record high
- 71°22° (2021)
- Record low
- −22°−30° (2017)
- Heating degree days
- 1278
- Cooling degree days
- 0