Highmore weather by month
What a typical year looks like in Highmore, South Dakota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Highmore, 1 km from Highmore; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 22.8 in578 mm
- Snow a year
- 40 in102 cm
- Last spring freeze
- May 12
- First fall freeze
- Oct 1
- Heating degree days
- 7,661
- Cooling degree days
- 718
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −16°−27° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Highmore in January
Highs average 27°−3° and lows 7°−14°, with 0.36 in9.1 mm of precipitation and 7 in17 cm of snow in a typical January.
- Record high
- 64°18° (1981)
- Record low
- −45°−43° (1912)
- Heating degree days
- 1500
- Cooling degree days
- 0
Highmore in February
Highs average 32°0° and lows 11°−12°, with 0.62 in16 mm of precipitation and 10 in24 cm of snow in a typical February.
- Record high
- 70°21° (2005)
- Record low
- −41° (1917)
- Heating degree days
- 1228
- Cooling degree days
- 0
Highmore in March
Highs average 44°7° and lows 22°−6°, with 1.1 in27 mm of precipitation and 6 in15 cm of snow in a typical March.
- Record high
- 86°30° (1910)
- Record low
- −26°−32° (1917)
- Heating degree days
- 991
- Cooling degree days
- 0
Highmore in April
Highs average 59°15° and lows 32°0°, with 2.5 in64 mm of precipitation and 5 in12 cm of snow in a typical April.
- Record high
- 98°37° (1980)
- Record low
- −4°−20° (1936)
- Heating degree days
- 589
- Cooling degree days
- 2
Highmore in May
Highs average 70°21° and lows 44°7°, with 3.7 in94 mm of precipitation in a typical May.
- Record high
- 108°42° (1934)
- Record low
- 15°−9° (2002)
- Heating degree days
- 280
- Cooling degree days
- 24
Highmore in June
Highs average 79°26° and lows 55°13°, with 4 in102 mm of precipitation in a typical June.
- Record high
- 112°44° (1931)
- Record low
- 26°−3° (1983)
- Heating degree days
- 60
- Cooling degree days
- 116
Highmore in July
Highs average 86°30° and lows 60°16°, with 3 in75 mm of precipitation in a typical July.
- Record high
- 113°45° (1931)
- Record low
- 35°2° (1912)
- Heating degree days
- 11
- Cooling degree days
- 263
Highmore in August
Highs average 85°29° and lows 59°15°, with 2.6 in66 mm of precipitation in a typical August.
- Record high
- 113°45° (1965)
- Record low
- 31°−1° (1911)
- Heating degree days
- 21
- Cooling degree days
- 224
Highmore in September
Highs average 77°25° and lows 50°10°, with 2 in51 mm of precipitation in a typical September.
- Record high
- 108°42° (1976)
- Record low
- 10°−12° (1926)
- Heating degree days
- 140
- Cooling degree days
- 83
Highmore in OctoberThis month
Highs average 61°16° and lows 36°2°, with 1.9 in47 mm of precipitation and 1.3 in3.3 cm of snow in a typical October.
- Record high
- 97°36° (1963)
- Record low
- −11°−24° (1925)
- Heating degree days
- 522
- Cooling degree days
- 6
Highmore in November
Highs average 44°7° and lows 22°−5°, with 0.55 in14 mm of precipitation and 6 in14 cm of snow in a typical November.
- Record high
- 81°27° (1931)
- Record low
- −23°−31° (1940)
- Heating degree days
- 957
- Cooling degree days
- 0
Highmore in December
Highs average 31°−1° and lows 12°−11°, with 0.47 in12 mm of precipitation and 6 in16 cm of snow in a typical December.
- Record high
- 68°20° (1939)
- Record low
- −36°−38° (1983)
- Heating degree days
- 1362
- Cooling degree days
- 0