Running Water weather by month
What a typical year looks like in Running Water, South Dakota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Verdel 6sse, 20 km from Running Water; records cover 2009–2025.
The year at a glance
- Precipitation a year
- 28 in710 mm
- Snow a year
- Rare
- Last spring freeze
- May 12
- First fall freeze
- Oct 4
- Heating degree days
- 7,106
- Cooling degree days
- 837
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −14°−25° (heating, 99%) and 100°38° (cooling, 1%).
Month by month
Running Water in January
Highs average 32°0° and lows 9°−13°, with 0.54 in14 mm of precipitation in a typical January.
- Record high
- 73°23° (2012)
- Record low
- −32°−36° (2018)
- Heating degree days
- 1379
- Cooling degree days
- 0
Running Water in February
Highs average 36°2° and lows 12°−11°, with 0.73 in19 mm of precipitation in a typical February.
- Record high
- 78°26° (2016)
- Record low
- −34°−37° (2021)
- Heating degree days
- 1149
- Cooling degree days
- 0
Running Water in March
Highs average 48°9° and lows 23°−5°, with 1.5 in37 mm of precipitation in a typical March.
- Record high
- 89°32° (2025)
- Record low
- −22°−30° (2014)
- Heating degree days
- 929
- Cooling degree days
- 1
Running Water in April
Highs average 60°15° and lows 33°1°, with 3.1 in78 mm of precipitation in a typical April.
- Record high
- 95°35° (2022)
- Record low
- 3°−16° (2018)
- Heating degree days
- 557
- Cooling degree days
- 2
Running Water in May
Highs average 71°22° and lows 46°8°, with 3.9 in99 mm of precipitation in a typical May.
- Record high
- 100°38° (2011)
- Record low
- 22°−6° (2011)
- Heating degree days
- 244
- Cooling degree days
- 42
Running Water in June
Highs average 81°27° and lows 57°14°, with 3.9 in99 mm of precipitation in a typical June.
- Record high
- 106°41° (2021)
- Record low
- 36°2° (2012)
- Heating degree days
- 40
- Cooling degree days
- 160
Running Water in July
Highs average 87°31° and lows 62°17°, with 3.8 in96 mm of precipitation in a typical July.
- Record high
- 109°43° (2012)
- Record low
- 41°5° (2013)
- Heating degree days
- 5
- Cooling degree days
- 303
Running Water in August
Highs average 85°29° and lows 60°15°, with 3.3 in84 mm of precipitation in a typical August.
- Record high
- 110°43° (2012)
- Record low
- 39°4° (2012)
- Heating degree days
- 14
- Cooling degree days
- 236
Running Water in September
Highs average 77°25° and lows 50°10°, with 2.7 in69 mm of precipitation in a typical September.
- Record high
- 107°42° (2023)
- Record low
- 27°−3° (2011)
- Heating degree days
- 130
- Cooling degree days
- 85
Running Water in OctoberThis month
Highs average 63°17° and lows 36°2°, with 2.7 in69 mm of precipitation in a typical October.
- Record high
- 97°36° (2015)
- Record low
- 6°−14° (2020)
- Heating degree days
- 493
- Cooling degree days
- 8
Running Water in November
Highs average 48°9° and lows 22°−5°, with 1 in26 mm of precipitation in a typical November.
- Record high
- 84°29° (2009)
- Record low
- −13°−25° (2014)
- Heating degree days
- 896
- Cooling degree days
- 0
Running Water in December
Highs average 35°2° and lows 13°−11°, with 0.83 in21 mm of precipitation in a typical December.
- Record high
- 68°20° (2012)
- Record low
- −35°−37° (2016)
- Heating degree days
- 1270
- Cooling degree days
- 0