West Allis weather in April: West Allis, Wisconsin: normal highs, lows, rain and records for April
West Allis in April has a normal high of 57°F and a normal low of 37°F, a daily mean of 47°F, rising from 51°F on the 1st to 64°F by the 30th. Measurable precipitation falls on 11 days in a normal April, 3.70 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 14°C and low of 3°C, 94 mm of precipitation and 5 cm of snow in April.
- NOAA stationWest Allis
- Station IDUSC00479046
- Location43.02°N 88.00°W
- Elevation723 ft (220 m)
- From the center2 miles
- Population59,784
- Jan 31° 15°
- Feb 34° 17°
- Mar 45° 27°
- Apr 57° 37°
- May 70° 48°
- Jun 80° 58°
- Jul 85° 63°
- Aug 83° 62°
- Sep 77° 54°
- Oct 62° 42°
- Nov 48° 30°
- Dec 36° 21°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is West Allis in April?
The normal high is 57°F and the normal low 37°F, for a daily mean of 46.6°F. April is 10.7°F warmer than March and 12.1°F cooler than May. April is the 7th warmest month of the year in West Allis and the 5th wettest. Across the month the normal high rises 13°F, from 51°F on April 1 to 64°F on April 30. From one year to the next April's mean temperature typically moves about 3.2°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 43°F and 50°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 41%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 51°F | 31°F | 37% | 20% |
| April 8 | 53°F | 34°F | 37% | 21% |
| April 15 | 56°F | 36°F | 38% | 22% |
| April 22 | 60°F | 39°F | 40% | 23% |
| April 30 | 64°F | 42°F | 41% | 24% |
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| April 1 | 51°F | 31°F | 37% | 20% | 12 h 40 min |
| April 2 | 51°F | 32°F | 37% | 20% | 12 h 40 min |
| April 3 | 51°F | 32°F | 37% | 20% | 12 h 50 min |
| April 4 | 52°F | 32°F | 37% | 20% | 12 h 50 min |
| April 5 | 52°F | 33°F | 37% | 20% | 12 h 50 min |
| April 6 | 53°F | 33°F | 37% | 20% | 13 h |
| April 7 | 53°F | 33°F | 37% | 21% | 13 h |
| April 8 | 53°F | 34°F | 37% | 21% | 13 h |
| April 9 | 54°F | 34°F | 37% | 21% | 13 h |
| April 10 | 54°F | 34°F | 37% | 21% | 13 h 10 min |
| April 11 | 55°F | 35°F | 37% | 21% | 13 h 10 min |
| April 12 | 55°F | 35°F | 37% | 21% | 13 h 10 min |
| April 13 | 56°F | 35°F | 38% | 21% | 13 h 20 min |
| April 14 | 56°F | 36°F | 38% | 21% | 13 h 20 min |
| April 15 | 56°F | 36°F | 38% | 22% | 13 h 20 min |
| April 16 | 57°F | 37°F | 38% | 22% | 13 h 20 min |
| April 17 | 57°F | 37°F | 38% | 22% | 13 h 30 min |
| April 18 | 58°F | 37°F | 39% | 22% | 13 h 30 min |
| April 19 | 58°F | 38°F | 39% | 23% | 13 h 30 min |
| April 20 | 59°F | 38°F | 39% | 23% | 13 h 30 min |
| April 21 | 59°F | 39°F | 40% | 23% | 13 h 40 min |
| April 22 | 60°F | 39°F | 40% | 23% | 13 h 40 min |
| April 23 | 60°F | 39°F | 40% | 24% | 13 h 40 min |
| April 24 | 61°F | 40°F | 40% | 24% | 13 h 50 min |
| April 25 | 61°F | 40°F | 40% | 24% | 13 h 50 min |
| April 26 | 62°F | 41°F | 40% | 24% | 13 h 50 min |
| April 27 | 62°F | 41°F | 41% | 24% | 13 h 50 min |
| April 28 | 63°F | 41°F | 41% | 24% | 14 h |
| April 29 | 63°F | 42°F | 41% | 24% | 14 h |
| April 30 | 64°F | 42°F | 41% | 24% | 14 h |
- Normal high
- 57°FApril average
- Normal low
- 37°FApril average
- Precipitation
- 3.70 inmonth total
- Days with precipitation
- 110.01 inch or more
- Snowfall
- 2.1 inmonth total
- Nights at 32°F or colder
- 7
- Daylight
- 12 h 40 min to 14 hApril 1 to April 30
- Days at 70°F or more
- 5
- Days at 80°F or more
- 2
- Sunshine
- 68%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00479046; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in West Allis in April?
On a given April day the chance of 0.01 inch or more is 38% on average, highest around April 30 (41%). In all, 3.70 in falls on 11 days of a normal April, 1 of them with an inch or more.
In a normal April in West Allis, 7 nights fall to freezing and snowfall averages 2.1 inches.
Snow falls on 1 day in a normal April, and an inch or more covers the ground on 1 day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00479046.
What are the records for April in West Allis?
The warmest April temperature on this station's record (since 1948) is 92°F, on April 22, 1980; the coldest is 13°F, on April 3, 1954. The wettest April brought 10.45 in (2026); the snowiest, 22.9 inches (1973).
The April mean against the 1991-2020 normal of 46.6°F: 2024 49.3°F (+2.7), 2025 46.3°F (−0.3), 2026 51.2°F (+4.6). 2 of 3 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2024 | 49.3°F | +2.7°F | 4.47 in |
| 2025 | 46.3°F | −0.3°F | 3.41 in |
| 2026 | 51.2°F | +4.6°F | 10.45 in |
Source: records: ACIS, station USC00479046; recent months: ACIS, station USC00479046. Records and recent months use complete months only.
How does April in West Allis compare across Wisconsin?
Across the 165 places PlainClimate covers in Wisconsin, April normal highs run from 46°F in Superior to 61°F in Boscobel; West Allis's is 57°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.