West Allis, Wisconsin Climate
United States
Pop. 60,620 Elev. 224 m / 735 ft
TZ: America/Chicago (UTC-5) ·
Dry and warm, West Allis sees July highs of 80°F (27°C) and cold January lows of 16°F (-9°C). Wind chill can push winter lows to 5°F (-15°C). Expect around 43 rainy days annually (27.4 in / 695 mm total), with snow on 7 days and 41 in (1036 mm) of annual accumulation. Overcast skies are common, with only 115 sunny days per year. Ocean water temperatures reach 73°F (23°C) in summer.
| Temperature | 80°F (26°C) high | 16°F (-9°C) low |
| Feels like | 5°F (-15°C) low | |
| Rain | 43 days | 27.4 in (695 mm) /yr |
| Snow | 7 days | 40.8 in (1036 mm) /yr |
| Sky | 115 sunny | 19 stormy |
| Wind | 3.1 mph (1.4 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 66
Feb 62
Mar 64
Apr 61
May 57
Jun 56
Jul 43
Aug 36
Sep 45
Oct 58
Nov 78
Dec Humidity (%)
59
Jan 65
Feb 64
Mar 66
Apr 72
May 72
Jun 77
Jul 73
Aug 74
Sep 71
Oct 67
Nov 75
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
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Nearby
Commercial airport 7 mi General Mitchell International Airport (MKE)
Ski resort 17 mi Meequon Sledding Hill
National park 93 mi Pullman National Historical Park
Hospital 1 mi Granite Hills Hospital
Hiking trail 18 mi IAT - Hartland-Merton connection
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 29°F -1°C | 16°F -9°C | 0.0 in 0 mm | 3.0 in75 mm | 9 |
| February | 32°F 0°C | 19°F -7°C | 0.2 in 6 mm | 9.6 in244 mm | 5 |
| March | 48°F 9°C | 32°F 0°C | 3.0 in 77 mm | 7.5 in190 mm | 8 |
| April | 53°F 12°C | 40°F 4°C | 2.2 in 55 mm | 0.8 in20 mm | 7 |
| May | 59°F 15°C | 47°F 8°C | 3.9 in 98 mm | — | 10 |
| June | 75°F 24°C | 61°F 16°C | 3.5 in 88 mm | — | 8 |
| July | 80°F 26°C | 67°F 20°C | 4.5 in 113 mm | — | 10 |
| August | 76°F 25°C | 64°F 18°C | 3.6 in 92 mm | — | 17 |
| September | 72°F 22°C | 59°F 15°C | 2.1 in 55 mm | — | 17 |
| October | 62°F 17°C | 51°F 11°C | 1.6 in 42 mm | — | 13 |
| November | 47°F 8°C | 36°F 2°C | 1.2 in 30 mm | 10.7 in271 mm | 9 |
| December | 32°F 0°C | 20°F -7°C | 1.6 in 41 mm | 9.3 in236 mm | 2 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 9 | 0 |
| February | 5 | 0 |
| March | 8 | 1 |
| April | 7 | 2 |
| May | 10 | 0 |
| June | 8 | 3 |
| July | 10 | 6 |
| August | 17 | 3 |
| September | 17 | 4 |
| October | 13 | 0 |
| November | 9 | 0 |
| December | 2 | 0 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 39°F 4°C | 33°F 1°C |
| February | 35°F 2°C | 32°F 0°C |
| March | 36°F 2°C | 35°F 2°C |
| April | 40°F 5°C | 43°F 6°C |
| May | 47°F 8°C | 51°F 11°C |
| June | 64°F 18°C | 64°F 18°C |
| July | 73°F 23°C | 73°F 23°C |
| August | 72°F 22°C | 72°F 22°C |
| September | 68°F 20°C | 66°F 19°C |
| October | 66°F 19°C | 58°F 14°C |
| November | 52°F 11°C | 43°F 6°C |
| December | 43°F 6°C | 34°F 1°C |