Clear Lake, South Dakota Climate
United States
Pop. 1,273 Elev. 556 m / 1,824 ft
TZ: America/Chicago (UTC-5) ·
Clear Lake has harsh winters with February lows averaging 7°F (-14°C), and mild summers with July highs of 81°F (27°C). Humidity pushes the summer feels-like temperature to 86°F (30°C), while wind chill can drive winter lows to -5°F (-21°C). Rain falls on about 34 days per year (27.2 in / 690 mm total), with snow on 5 days and 41 in (1039 mm) of annual accumulation. The city averages 129 sunny days per year and around 27 thunderstorm days. Nearby lake water reaches 74°F (24°C) in summer.
| Temperature | 81°F (27°C) high | 7°F (-14°C) low |
| Feels like | 86°F (30°C) high | -5°F (-20°C) low |
| Rain | 34 days | 27.2 in (690 mm) /yr |
| Snow | 5 days | 40.9 in (1039 mm) /yr |
| Sky | 129 sunny | 27 stormy |
| Wind | 3.4 mph (1.5 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Sep, Oct
Sky & Air by Month
Cloud cover (%)
51
Jan 55
Feb 57
Mar 53
Apr 45
May 59
Jun 49
Jul 50
Aug 45
Sep 45
Oct 58
Nov 77
Dec Humidity (%)
66
Jan 64
Feb 58
Mar 59
Apr 53
May 67
Jun 76
Jul 79
Aug 72
Sep 65
Oct 69
Nov 80
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 26 mi Watertown Regional Airport (ATY)
Ski resort 81 mi Great Bear Recreation Park
National park 54 mi Pipestone National Monument
Mountain peak
(20,733 ft) 183 mi Norris Hill
Hospital 0 mi Sanford Clear Lake Medical Center
Hiking trail 84 mi Willmar Walks
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 26°F -4°C | 8°F -14°C | 0.0 in 0 mm | 2.0 in50 mm | 12 |
| February | 26°F -3°C | 7°F -14°C | 0.2 in 6 mm | 3.1 in80 mm | 8 |
| March | 52°F 11°C | 27°F -3°C | 0.9 in 24 mm | 7.4 in188 mm | 9 |
| April | 58°F 14°C | 35°F 2°C | 1.8 in 45 mm | 13.2 in335 mm | 12 |
| May | 70°F 21°C | 47°F 8°C | 3.8 in 96 mm | — | 13 |
| June | 79°F 26°C | 59°F 15°C | 7.5 in 189 mm | — | 9 |
| July | 81°F 27°C | 64°F 18°C | 4.2 in 106 mm | — | 13 |
| August | 78°F 25°C | 61°F 16°C | 4.8 in 122 mm | — | 13 |
| September | 76°F 24°C | 55°F 13°C | 2.1 in 53 mm | — | 14 |
| October | 63°F 17°C | 45°F 7°C | 1.3 in 32 mm | — | 15 |
| November | 44°F 7°C | 29°F -2°C | 0.4 in 10 mm | 8.5 in216 mm | 10 |
| December | 30°F -1°C | 11°F -11°C | 0.2 in 6 mm | 6.7 in170 mm | 1 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 12 | 0 |
| February | 8 | 0 |
| March | 9 | 0 |
| April | 12 | 2 |
| May | 13 | 2 |
| June | 9 | 6 |
| July | 13 | 6 |
| August | 13 | 5 |
| September | 14 | 4 |
| October | 15 | 2 |
| November | 10 | 0 |
| December | 1 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 32°F 0°C |
| April | 37°F 3°C |
| May | 45°F 7°C |
| June | 58°F 15°C |
| July | 73°F 23°C |
| August | 74°F 24°C |
| September | 67°F 20°C |
| October | 57°F 14°C |
| November | 46°F 8°C |
| December | 37°F 3°C |