Pollock weather by month
What a typical year looks like in Pollock, South Dakota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Pollock, 0 km from Pollock; records cover 1908–2026.
The year at a glance
- Precipitation a year
- 17.8 in453 mm
- Snow a year
- 39 in99 cm
- Last spring freeze
- May 12
- First fall freeze
- Sep 29
- Heating degree days
- 8,144
- Cooling degree days
- 640
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −21°−29° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Pollock in January
Highs average 24°−4° and lows 3°−16°, with 0.37 in9.4 mm of precipitation and 8 in20 cm of snow in a typical January.
- Record high
- 63°17° (1958)
- Record low
- −50°−46° (1912)
- Heating degree days
- 1595
- Cooling degree days
- 0
Pollock in February
Highs average 29°−2° and lows 8°−14°, with 0.46 in12 mm of precipitation and 7 in19 cm of snow in a typical February.
- Record high
- 71°22° (1958)
- Record low
- −51°−46° (1936)
- Heating degree days
- 1309
- Cooling degree days
- 0
Pollock in March
Highs average 42°5° and lows 19°−7°, with 0.71 in18 mm of precipitation and 6 in14 cm of snow in a typical March.
- Record high
- 86°30° (1910)
- Record low
- −33°−36° (1919)
- Heating degree days
- 1066
- Cooling degree days
- 0
Pollock in April
Highs average 58°14° and lows 32°0°, with 1.3 in34 mm of precipitation and 4 in11 cm of snow in a typical April.
- Record high
- 98°37° (1910)
- Record low
- −6°−21° (2018)
- Heating degree days
- 610
- Cooling degree days
- 2
Pollock in May
Highs average 70°21° and lows 44°7°, with 2.8 in70 mm of precipitation and 0.2 in0.5 cm of snow in a typical May.
- Record high
- 108°42° (1934)
- Record low
- 5°−15° (1909)
- Heating degree days
- 273
- Cooling degree days
- 22
Pollock in June
Highs average 79°26° and lows 55°13°, with 3.2 in82 mm of precipitation in a typical June.
- Record high
- 109°43° (1931)
- Record low
- 27°−3° (1917)
- Heating degree days
- 57
- Cooling degree days
- 109
Pollock in July
Highs average 85°30° and lows 60°15°, with 2.7 in70 mm of precipitation in a typical July.
- Record high
- 118°48° (1934)
- Record low
- 30°−1° (1910)
- Heating degree days
- 10
- Cooling degree days
- 244
Pollock in August
Highs average 84°29° and lows 57°14°, with 2.2 in55 mm of precipitation in a typical August.
- Record high
- 110°43° (1941)
- Record low
- 28°−2° (1935)
- Heating degree days
- 20
- Cooling degree days
- 202
Pollock in September
Highs average 75°24° and lows 48°9°, with 1.5 in39 mm of precipitation in a typical September.
- Record high
- 107°42° (1931)
- Record low
- 12°−11° (1926)
- Heating degree days
- 163
- Cooling degree days
- 58
Pollock in OctoberThis month
Highs average 58°15° and lows 34°1°, with 1.6 in40 mm of precipitation and 1.6 in4.1 cm of snow in a typical October.
- Record high
- 95°35° (1922)
- Record low
- −17°−27° (1919)
- Heating degree days
- 581
- Cooling degree days
- 3
Pollock in November
Highs average 41°5° and lows 21°−6°, with 0.49 in12 mm of precipitation and 5 in12 cm of snow in a typical November.
- Record high
- 79°26° (1975)
- Record low
- −27°−33° (1985)
- Heating degree days
- 1022
- Cooling degree days
- 0
Pollock in December
Highs average 28°−2° and lows 9°−13°, with 0.46 in12 mm of precipitation and 8 in20 cm of snow in a typical December.
- Record high
- 68°20° (1939)
- Record low
- −45°−43° (1917)
- Heating degree days
- 1438
- Cooling degree days
- 0