Delavan, Wisconsin Climate
United States
Pop. 8,389 Elev. 288 m / 945 ft
TZ: America/Chicago (UTC-5) ·
Delavan has a dry climate with warm summers reaching 84°F (29°C) in July and cold winters averaging 13°F (-11°C) in January. Humidity pushes the summer feels-like temperature to 91°F (33°C), while wind chill can drive winter lows to 4°F (-16°C). Rain falls on about 43 days per year (27.9 in / 709 mm total), with snow on 7 days and 37 in (942 mm) of annual accumulation. The city averages 113 sunny days per year and around 30 thunderstorm days. Ocean water temperatures reach 74°F (23°C) in summer.
| Temperature | 84°F (29°C) high | 13°F (-10°C) low |
| Feels like | 91°F (33°C) high | 4°F (-16°C) low |
| Rain | 43 days | 27.9 in (709 mm) /yr |
| Snow | 7 days | 37.1 in (942 mm) /yr |
| Sky | 113 sunny | 30 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 (%)
54
Jan 63
Feb 59
Mar 65
Apr 60
May 56
Jun 57
Jul 49
Aug 39
Sep 45
Oct 58
Nov 77
Dec Humidity (%)
61
Jan 64
Feb 60
Mar 61
Apr 62
May 66
Jun 73
Jul 73
Aug 71
Sep 71
Oct 69
Nov 76
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 38 mi Chicago Rockford International Airport (RFD)
Ski resort 13 mi Alpine Valley Resort
National park 84 mi Historic Pullman Foundation Exhibit Hall
Hospital 6 mi Mercyhealth Hospital and Medical Center–Walworth
Hiking trail 11 mi IAT - Whitewater 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 -10°C | 0.0 in 1 mm | 2.2 in56 mm | 11 |
| February | 32°F 0°C | 16°F -9°C | 0.3 in 7 mm | 8.1 in207 mm | 6 |
| March | 54°F 12°C | 32°F 0°C | 3.3 in 84 mm | 8.7 in220 mm | 7 |
| April | 59°F 15°C | 40°F 5°C | 2.4 in 60 mm | 0.2 in6 mm | 5 |
| May | 68°F 20°C | 48°F 9°C | 3.1 in 79 mm | — | 9 |
| June | 82°F 28°C | 64°F 18°C | 4.0 in 101 mm | — | 9 |
| July | 84°F 29°C | 67°F 20°C | 4.5 in 113 mm | — | 10 |
| August | 79°F 26°C | 62°F 17°C | 4.3 in 109 mm | — | 15 |
| September | 76°F 24°C | 56°F 13°C | 2.5 in 63 mm | — | 17 |
| October | 64°F 18°C | 48°F 9°C | 1.4 in 35 mm | — | 12 |
| November | 47°F 9°C | 34°F 1°C | 0.9 in 22 mm | 9.4 in240 mm | 9 |
| December | 32°F 0°C | 18°F -8°C | 1.4 in 35 mm | 8.4 in213 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 11 | 0 |
| February | 6 | 0 |
| March | 7 | 3 |
| April | 5 | 1 |
| May | 9 | 2 |
| June | 9 | 4 |
| July | 10 | 6 |
| August | 15 | 7 |
| September | 17 | 5 |
| October | 12 | 1 |
| November | 9 | 0 |
| December | 3 | 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 |