West Allis in Spring
In spring (March, April and May), West Allis sees average daytime highs around 51°F and overnight lows near 38°F, with 10.1 in of precipitation over about 33 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 35°F in early March to 67°F by late May. The sky is clear or mostly clear about 25% of the time across spring, and the air most often feels dry.
Spring is West Allis's 3rd-best season to visit on our travel score. For the whole year in context, see West Allis's year-round climate.
- Avg daytime high
- 51°F
- 3rd-warmest season
- Avg overnight low
- 38°F
- Precipitation
- 10.1 in
- 33 wet days
- Avg wind
- 10 mph
- Travel score
- 2.4
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in West Allis in Spring
Over the season highs climb from about 35°F in early March to 67°F by late May.
A typical spring day in West Allis reaches about 51°F and drops to 38°F overnight. The warmest of the three months is May, the coolest March.
How spring really feels in West Allis
Once humidity and wind are folded in, spring brings about 0 days that feel above 90°F and 49 that feel at or below 32°F.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
West Allis weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 29° / 17° | 2.0 | 8.9 | 6.8 | 9.2 | 0.0 |
| Feb | 31° / 19° | 1.9 | 7 | 5.5 | 10.2 | 0.0 |
| Mar | 40° / 28° | 2.4 | 9.5 | 4.1 | 11.6 | 0.2 |
| Apr | 50° / 38° | 4.1 | 11.9 | 1.7 | 13.1 | 2.2 |
| May | 62° / 48° | 3.6 | 11.6 | 0 | 14.4 | 4.9 |
| Jun | 73° / 60° | 3.5 | 10.8 | 0 | 15.1 | 6.6 |
| Jul | 79° / 66° | 3.2 | 10.1 | 0 | 14.8 | 6.7 |
| Aug | 77° / 65° | 3.6 | 10.7 | 0 | 13.8 | 6.8 |
| Sep | 71° / 58° | 3.0 | 9.2 | 0 | 12.3 | 6.7 |
| Oct | 58° / 46° | 3.1 | 9.1 | 0.2 | 10.8 | 4.4 |
| Nov | 45° / 34° | 2.4 | 8.6 | 1.7 | 9.5 | 1.0 |
| Dec | 34° / 24° | 2.2 | 8.5 | 5.4 | 8.9 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 25% of the time across spring.
Chance of precipitation in Spring
West Allis gets around 10.1 in of rain and snow over 33 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 10 mph across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 54 min in early March to 14 h 54 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.0 kWh/m².
Is spring a good time to visit West Allis?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in West Allis.
What to pack for West Allis in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, West Allis sees daytime highs around 51°F and nights near 38°F. Pack a warm layer and a heavy coat. Worth having: rain gear and sun protection. About 33 days see rain.
Sea temperature near West Allis in Spring
The nearest coast averages about 39°F across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 10 mi away) is warmest in August at about 70°F and coldest in March near 36°F.
It's comfortable for a long swim from Jul 29 to Aug 30 — about 1.1 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 38 | 36 | 36 | 38 | 42 | 54 | 67 | 70 | 66 | 56 | 46 | 41 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 38 | Bracing |
| Feb | 36 | Bracing |
| Mar | 36 | Bracing |
| Apr | 38 | Bracing |
| May | 42 | Bracing |
| Jun | 54 | Bracing |
| Jul | 67 | Cool |
| Aug | 70 | Refreshing |
| Sep | 66 | Cool |
| Oct | 56 | Bracing |
| Nov | 46 | Bracing |
| Dec | 41 | Bracing |
UV index in West Allis in Spring
Clear-sky midday UV across spring averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in West Allis peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 6 | 8 | 9 | 8 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | Very high |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in West Allis in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in West Allis is worst in July — around 17 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 11 | 13 | 15 | 15 | 16 | 17 | 17 | 16 | 13 | 9 | 9 | 10 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 13 | Moderate |
| Mar | 15 | Moderate |
| Apr | 15 | Moderate |
| May | 16 | Moderate |
| Jun | 17 | Moderate |
| Jul | 17 | Moderate |
| Aug | 16 | Moderate |
| Sep | 13 | Moderate |
| Oct | 9 | Good |
| Nov | 9 | Good |
| Dec | 10 | Good |
Where is West Allis?
West Allis sits at 43.0°N, 88.0°W, 728 ft above sea level, in United States. The nearest listed city is Wauwatosa, 2.5 mi away.
Topography around West Allis
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of West Allis.
Within 2 miles, the terrain around West Allis has only modest variations in elevation — a maximum elevation change of 243 ft around an average of 728 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 627 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 843 ft.
The land around West Allis is covered by artificial surfaces (65%) and trees (27%) within 2 miles, trees (35%) and artificial surfaces (35%) within 10 miles, and water (40%) and cropland (25%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for West Allis (43.0167°, -88.007°, elevation 728 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.