Warm-summer humid continental climate

Climate Clear Lake - South Dakota

Annual high53ºF

Annual low33ºF

Precipitation26.87 inch

Month	HighºF	LowºF	Precipinch	Snowinch
Jan	21	3	0.73	10
Feb	27	8	0.72	9
Mar	38	19	1.64	10
Apr	55	33	2.43	5
May	67	45	3.02	0
Jun	76	56	4.46	0
Jul	81	61	3.46	0
Aug	79	58	2.95	0
Sep	70	49	3.17	0
Oct	56	35	2.33	1
Nov	39	21	1.25	10
Dec	24	7	0.71	10

JanHigh 21ºFLow 3ºFPrecip 0.73 inch
FebHigh 27ºFLow 8ºFPrecip 0.72 inch
MarHigh 38ºFLow 19ºFPrecip 1.64 inch
AprHigh 55ºFLow 33ºFPrecip 2.43 inch
MayHigh 67ºFLow 45ºFPrecip 3.02 inch
JunHigh 76ºFLow 56ºFPrecip 4.46 inch
JulHigh 81ºFLow 61ºFPrecip 3.46 inch
AugHigh 79ºFLow 58ºFPrecip 2.95 inch
SepHigh 70ºFLow 49ºFPrecip 3.17 inch
OctHigh 56ºFLow 35ºFPrecip 2.33 inch
NovHigh 39ºFLow 21ºFPrecip 1.25 inch
DecHigh 24ºFLow 7ºFPrecip 0.71 inch

Clear Lake Climate Graph - South Dakota Climate Chart

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Climate summary

What is the average weather in Clear Lake, South Dakota?

Clear Lake experiences a humid continental climate, marked by very large seasonal temperature contrasts. Summers are warm and bring moderate precipitation, making summer the wettest season. Winters are very cold and snowy, with significant snowfall contributing to the moderate annual precipitation. Winter is also the driest season.

Based on climate normals · 1991–2020

Clear Lake weather averages

Annual high53ºF

Annual low33ºF

Precipitation26.87 inch

Snowfall55 inch

Daily normals Clear Lake - South Dakota - January

Day	HighºF	LowºF	Prec/moinch	Prec/yrinch	Snow/moinch	Snow/yrinch
Jan 1	21.5	4.0	0.03	0.03	0.30	0.30
Jan 2	21.4	3.8	0.06	0.06	0.70	0.70
Jan 3	21.2	3.6	0.09	0.09	1.10	1.10
Jan 4	21.1	3.4	0.12	0.12	1.40	1.40
Jan 5	21.0	3.2	0.14	0.14	1.80	1.80
Jan 6	20.9	3.0	0.17	0.17	2.20	2.20
Jan 7	20.8	2.9	0.20	0.20	2.60	2.60
Jan 8	20.7	2.7	0.23	0.23	2.90	2.90
Jan 9	20.6	2.6	0.25	0.25	3.30	3.30
Jan 10	20.5	2.4	0.28	0.28	3.60	3.60
Jan 11	20.5	2.3	0.30	0.30	4.00	4.00
Jan 12	20.4	2.2	0.32	0.32	4.30	4.30
Jan 13	20.4	2.1	0.35	0.35	4.60	4.60
Jan 14	20.4	2.0	0.37	0.37	5.00	5.00
Jan 15	20.4	2.0	0.39	0.39	5.30	5.30
Jan 16	20.4	1.9	0.41	0.41	5.70	5.70
Jan 17	20.4	1.8	0.43	0.43	6.00	6.00
Jan 18	20.4	1.8	0.46	0.46	6.30	6.30
Jan 19	20.4	1.8	0.48	0.48	6.60	6.60
Jan 20	20.5	1.8	0.50	0.50	7.00	7.00
Jan 21	20.5	1.8	0.52	0.52	7.30	7.30
Jan 22	20.6	1.8	0.54	0.54	7.60	7.60
Jan 23	20.7	1.8	0.56	0.56	7.90	7.90
Jan 24	20.8	1.9	0.58	0.58	8.30	8.30
Jan 25	20.8	1.9	0.60	0.60	8.60	8.60
Jan 26	21.0	2.0	0.62	0.62	8.90	8.90
Jan 27	21.1	2.1	0.64	0.64	9.30	9.30
Jan 28	21.2	2.2	0.66	0.66	9.70	9.70
Jan 29	21.4	2.3	0.68	0.68	10.10	10.10
Jan 30	21.5	2.5	0.70	0.70	10.40	10.40
Jan 31	21.7	2.6	0.72	0.72	10.80	10.80

Precipitation and snow add up through the month (/mo) and the year (/yr)

Weather history Clear Lake - September 2026

Day	HighºF	LowºF	Precip.inch
Sep 1	–	–	0.00
Sep 2	–	–	0.07
Sep 3	–	–	0.00
Sep 4	–	–	0.00
Sep 5	–	–	0.00
Sep 6	–	–	0.00
Sep 7	–	–	0.10
Sep 8	–	–	0.26
Sep 9	–	–	0.00
Sep 10	–	–	0.00
Sep 11	–	–	0.00
Sep 12	–	–	0.00
Sep 13	–	–	0.00
Sep 14	–	–	0.00
Sep 15	–	–	0.37
Sep 16	–	–	0.00
Sep 17	–	–	0.11
Sep 18	–	–	0.60
Sep 19	–	–	0.57
Sep 20	–	–	0.03
Sep 21	–	–	0.02
Sep 22	–	–	0.12
Sep 23	–	–	0.00
Sep 24	–	–	0.00
Sep 25	–	–	0.07
Sep 26	–	–	0.17
Sep 27	–	–	0.44
Sep 28	–	–	0.00
Sep 29	–	–	0.05
Sep 30	–	–	0.10

The data for September 2026 is incomplete: some days or values are missing.

–No data
–Not yet observed or received
TTrace, too small to measure

Geo Clear Lake - South Dakota

44.77°N, 96.69°W

Location

Country: United States
State: South Dakota
County: Deuel
City: Clear Lake
Zip Code: 57226
Elevation: 1798 ft
Longitude: -96.69
Latitude: 44.77
ICAO: –
IATA: –

Map of Clear Lake - South Dakota

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USGS National Map