Delavan Lake, Wisconsin Climate
United States
Pop. 2,649 Elev. 293 m / 961 ft
TZ: America/Chicago (UTC-5) ·
Delavan Lake is largely arid, with warm summers peaking at 85°F (29°C) in July and cold winters around 14°F (-10°C) in January. Humidity pushes the summer feels-like temperature to 93°F (34°C), while wind chill can drive winter lows to 5°F (-15°C). Precipitation occurs on roughly 40 days per year (28.0 in / 711 mm total), with snow on 7 days and 36 in (916 mm) of annual accumulation. The city averages 117 sunny days per year and around 31 thunderstorm days. Ocean water temperatures reach 74°F (23°C) in summer.
| Temperature | 85°F (29°C) high | 14°F (-10°C) low |
| Feels like | 93°F (34°C) high | 5°F (-15°C) low |
| Rain | 40 days | 28.0 in (711 mm) /yr |
| Snow | 7 days | 36.0 in (916 mm) /yr |
| Sky | 117 sunny | 31 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 (%)
55
Jan 64
Feb 58
Mar 66
Apr 60
May 54
Jun 59
Jul 50
Aug 38
Sep 46
Oct 58
Nov 77
Dec Humidity (%)
60
Jan 65
Feb 60
Mar 61
Apr 62
May 63
Jun 71
Jul 72
Aug 69
Sep 69
Oct 68
Nov 75
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 36 mi Chicago Rockford International Airport (RFD)
Ski resort 13 mi The Mountain Top at Grand Geneva Resort & Spa
National park 81 mi Historic Pullman Foundation Exhibit Hall
Hospital 5 mi Mercyhealth Hospital and Medical Center–Walworth
Hiking trail 10 mi Blue Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 29°F -2°C | 14°F -10°C | 0.1 in 3 mm | 2.3 in57 mm | 11 |
| February | 32°F 0°C | 16°F -9°C | 0.3 in 7 mm | 8.1 in205 mm | 6 |
| March | 55°F 13°C | 33°F 0°C | 3.3 in 83 mm | 8.0 in202 mm | 9 |
| April | 60°F 15°C | 41°F 5°C | 2.6 in 65 mm | 0.2 in4 mm | 4 |
| May | 68°F 20°C | 49°F 9°C | 3.0 in 77 mm | — | 9 |
| June | 83°F 28°C | 64°F 18°C | 3.7 in 94 mm | — | 10 |
| July | 85°F 29°C | 68°F 20°C | 4.8 in 121 mm | — | 10 |
| August | 79°F 26°C | 62°F 17°C | 3.7 in 94 mm | — | 14 |
| September | 76°F 25°C | 56°F 13°C | 2.5 in 64 mm | — | 18 |
| October | 65°F 18°C | 48°F 9°C | 1.5 in 38 mm | — | 12 |
| November | 48°F 9°C | 34°F 1°C | 0.9 in 23 mm | 9.8 in249 mm | 10 |
| December | 32°F 0°C | 18°F -8°C | 1.6 in 41 mm | 7.8 in197 mm | 4 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 11 | 0 |
| February | 6 | 0 |
| March | 9 | 5 |
| April | 4 | 1 |
| May | 9 | 2 |
| June | 10 | 4 |
| July | 10 | 6 |
| August | 14 | 6 |
| September | 18 | 5 |
| October | 12 | 1 |
| November | 10 | 0 |
| December | 4 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 38°F 3°C | 32°F 0°C |
| February | 34°F 1°C | 32°F 0°C |
| March | 36°F 2°C | 36°F 2°C |
| April | 42°F 6°C | 46°F 8°C |
| May | 48°F 9°C | 56°F 13°C |
| June | 66°F 19°C | 69°F 21°C |
| July | 74°F 23°C | 77°F 25°C |
| August | 73°F 23°C | 72°F 22°C |
| September | 69°F 20°C | 65°F 18°C |
| October | 67°F 19°C | 58°F 14°C |
| November | 51°F 11°C | 42°F 5°C |
| December | 43°F 6°C | 32°F 0°C |