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Lane weather by month

What a typical year looks like in Lane, South Dakota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Wessington Springs, 12 km from Lane; records cover 1893–2026.

Today’s Lane forecast

The year at a glance

January: typical high 25.4°F, low 7°F, precipitation 0.64 in. February: typical high 30.2°F, low 10.6°F, precipitation 0.73 in. March: typical high 42.3°F, low 21.6°F, precipitation 1.29 in. April: typical high 55.6°F, low 33.3°F, precipitation 3.02 in. May: typical high 67.8°F, low 45.9°F, precipitation 3.67 in. June: typical high 78.1°F, low 56.3°F, precipitation 3.85 in. July: typical high 84.4°F, low 61.6°F, precipitation 3.09 in. August: typical high 82.3°F, low 59.4°F, precipitation 2.9 in. September: typical high 74.2°F, low 50.6°F, precipitation 2.73 in. October: typical high 58.7°F, low 36.6°F, precipitation 2.09 in. November: typical high 43.1°F, low 23.4°F, precipitation 0.93 in. December: typical high 29.7°F, low 12.1°F, precipitation 0.72 in.−50°−46°−30°−34°−10°−23°10°−12°30°−1°50°10°70°21°90°32°110°43°25°−4°7°−14°Jan30°−1°11°−12°Feb42°6°22°−6°Mar56°13°33°1°Apr68°20°46°8°May78°26°56°13°Jun84°29°62°16°Jul82°28°59°15°Aug74°23°51°10°Sep59°15°37°3°Oct43°6°23°−5°Nov30°−1°12°−11°DecPrecipitation
Bars: typical low to high (official normals, 1991–2020) Record high Record low
Precipitation a year
25.7 in652 mm
Snow a year
45 in113 cm
Last spring freeze
May 1
First fall freeze
Oct 9
Heating degree days
7,784
Cooling degree days
688

Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −12°−24° (heating, 99%) and 97°36° (cooling, 1%).

Month by month

Lane in January

Highs average 25°−4° and lows 7°−14°, with 0.64 in16 mm of precipitation and 8 in19 cm of snow in a typical January.

Record high
67°19° (1908)
Record low
−36°−38° (1912)
Heating degree days
1513
Cooling degree days
0

Lane in February

Highs average 30°−1° and lows 11°−12°, with 0.73 in19 mm of precipitation and 7 in19 cm of snow in a typical February.

Record high
71°22° (1913)
Record low
−39° (1899)
Heating degree days
1249
Cooling degree days
0

Lane in March

Highs average 42°6° and lows 22°−6°, with 1.3 in33 mm of precipitation and 6 in16 cm of snow in a typical March.

Record high
86°30° (2012)
Record low
−20°−29° (2019)
Heating degree days
1025
Cooling degree days
0

Lane in April

Highs average 56°13° and lows 33°1°, with 3 in77 mm of precipitation and 8 in21 cm of snow in a typical April.

Record high
99°37° (1954)
Record low
1°−17° (1899)
Heating degree days
618
Cooling degree days
2

Lane in May

Highs average 68°20° and lows 46°8°, with 3.7 in93 mm of precipitation in a typical May.

Record high
101°38° (1894)
Record low
17°−8° (1909)
Heating degree days
281
Cooling degree days
28

Lane in June

Highs average 78°26° and lows 56°13°, with 3.9 in98 mm of precipitation in a typical June.

Record high
109°43° (1988)
Record low
27°−3° (1901)
Heating degree days
56
Cooling degree days
122

Lane in July

Highs average 84°29° and lows 62°16°, with 3.1 in78 mm of precipitation in a typical July.

Record high
111°44° (1894)
Record low
43°6° (1971)
Heating degree days
9
Cooling degree days
257

Lane in August

Highs average 82°28° and lows 59°15°, with 2.9 in74 mm of precipitation in a typical August.

Record high
109°43° (1965)
Record low
23°−5° (1900)
Heating degree days
21
Cooling degree days
202

Lane in September

Highs average 74°23° and lows 51°10°, with 2.7 in69 mm of precipitation in a typical September.

Record high
105°41° (1970)
Record low
18°−8° (1899)
Heating degree days
149
Cooling degree days
71

Lane in OctoberThis month

Highs average 59°15° and lows 37°3°, with 2.1 in53 mm of precipitation and 1.7 in4.3 cm of snow in a typical October.

Record high
97°36° (1963)
Record low
5°−15° (2020)
Heating degree days
544
Cooling degree days
6

Lane in November

Highs average 43°6° and lows 23°−5°, with 0.93 in24 mm of precipitation and 5 in13 cm of snow in a typical November.

Record high
84°29° (1999)
Record low
−23°−31° (1897)
Heating degree days
952
Cooling degree days
0

Lane in December

Highs average 30°−1° and lows 12°−11°, with 0.72 in18 mm of precipitation and 8 in21 cm of snow in a typical December.

Record high
68°20° (1998)
Record low
−27°−33° (1901)
Heating degree days
1367
Cooling degree days
0