Lake Koshkonong, Wisconsin Climate
United States
Pop. 1,204 Elev. 240 m / 787 ft
TZ: America/Chicago (UTC-5) ·
Lake Koshkonong has a dry climate with warm summers reaching 83°F (28°C) in July and cold winters averaging 13°F (-11°C) in January. Humidity pushes the summer feels-like temperature to 90°F (32°C), while wind chill can drive winter lows to 3°F (-16°C). Rain falls on about 42 days per year (28.6 in / 727 mm total), with snow on 7 days and 38 in (953 mm) of annual accumulation. The city averages 112 sunny days per year and around 26 thunderstorm days. Nearby lake water reaches 77°F (25°C) in summer.
| Temperature | 83°F (29°C) high | 13°F (-11°C) low |
| Feels like | 90°F (32°C) high | 3°F (-16°C) low |
| Rain | 42 days | 28.6 in (727 mm) /yr |
| Snow | 7 days | 37.5 in (953 mm) /yr |
| Sky | 112 sunny | 26 stormy |
| Wind | 2.4 mph (1.1 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 (%)
53
Jan 62
Feb 59
Mar 64
Apr 59
May 57
Jun 56
Jul 49
Aug 40
Sep 45
Oct 57
Nov 77
Dec Humidity (%)
60
Jan 63
Feb 59
Mar 60
Apr 61
May 66
Jun 73
Jul 73
Aug 72
Sep 70
Oct 68
Nov 76
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 26 mi Dane County Regional Truax Field (MSN)
Ski resort 28 mi Alpine Valley Resort
National park 107 mi Pullman National Historical Park
Hospital 5 mi Fort Atkinson Memorial Hospital
Hiking trail 8 mi IAT - Storrs Lake Segment
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 29°F -2°C | 13°F -11°C | 0.0 in 0 mm | 1.8 in46 mm | 11 |
| February | 31°F 0°C | 15°F -9°C | 0.2 in 5 mm | 8.4 in213 mm | 6 |
| March | 54°F 12°C | 32°F 0°C | 3.0 in 77 mm | 8.3 in211 mm | 8 |
| April | 59°F 15°C | 40°F 4°C | 2.4 in 61 mm | 0.6 in14 mm | 6 |
| May | 68°F 20°C | 48°F 9°C | 3.3 in 84 mm | — | 9 |
| June | 81°F 27°C | 64°F 18°C | 4.8 in 121 mm | — | 8 |
| July | 83°F 29°C | 67°F 19°C | 4.4 in 111 mm | — | 12 |
| August | 79°F 26°C | 62°F 16°C | 5.2 in 133 mm | — | 14 |
| September | 76°F 24°C | 55°F 13°C | 2.1 in 54 mm | — | 14 |
| October | 65°F 18°C | 47°F 8°C | 1.3 in 33 mm | — | 12 |
| November | 47°F 8°C | 33°F 1°C | 0.8 in 21 mm | 9.3 in237 mm | 9 |
| December | 31°F 0°C | 17°F -9°C | 1.0 in 26 mm | 9.1 in232 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 11 | 0 |
| February | 6 | 0 |
| March | 8 | 2 |
| April | 6 | 2 |
| May | 9 | 1 |
| June | 8 | 4 |
| July | 12 | 7 |
| August | 14 | 6 |
| September | 14 | 4 |
| October | 12 | 0 |
| November | 9 | 0 |
| December | 3 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 36°F 2°C |
| April | 46°F 8°C |
| May | 56°F 13°C |
| June | 69°F 21°C |
| July | 77°F 25°C |
| August | 72°F 22°C |
| September | 65°F 18°C |
| October | 58°F 14°C |
| November | 42°F 5°C |
| December | 32°F 0°C |