Oak Creek weather in May

In May, Oak Creek sees average daytime highs of 53°F and overnight lows near 47°F, with 3.4 in of rain across 10.6 wet days and about 14.4 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 48°F in the first days to 58°F by the end. The sky is clear or mostly clear about 26% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 54 min at the start of May to 14 h 54 min by month's end. Set against the rest of the year, May is Oak Creek's 6th-clearest and 9th-windiest month. For the whole year in context, see Oak Creek's year-round climate.

Daytime high
53°
6th warmest
Overnight low
47°
7th coldest
Rainfall
3.4 in
10.6 wet days
Daylight
14 h 24 min
4:34 AM – 7:01 PM
Cloud cover
64%
6th clearest
Wind
12 mph
9th windiest
Solar energy
5.92 kWh/m²
Travel score
2.9
out of 10

Oak Creek is city in Milwaukee County, Wisconsin, United States.

Density
478/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 48°F in the first days to 58°F by the end.

A typical May day in Oak Creek reaches about 53°F in the afternoon and slips back to 47°F overnight — a 6°F spread between the day's warmth and the night's chill. On most days the high lands between 45°F and 61°F. Set against its neighbours, May runs about 10°F warmer than April and about 13°F cooler than June.

30°40°50°60°70°151015202531
Avg high (°F)Avg low (°F)
14742
24742
34842
44842
54843
64943
74943
84944
95044
105044
115145
125145
135145
145246
155246
165247
175347
185347
195448
205448
215549
225549
235549
245650
255650
265751
275751
285852
295852
305853
315953

How May really feels in Oak Creek

Once humidity and wind are folded in, May averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Oak Creek weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan30° / 21°2.49.77.89.20.0
Feb30° / 21°2.17.25.810.20.0
Mar35° / 27°2.69.43.911.60.0
Apr43° / 37°4.311.51.713.10.5
May53° / 47°3.410.6014.42.9
Jun66° / 60°3.19.9015.15.9
Jul74° / 69°2.89014.87.2
Aug75° / 69°3.510.3013.87.1
Sep69° / 63°3.39.5012.36.6
Oct57° / 51°3.610.40.110.84.1
Nov45° / 39°3.09.91.49.51.0
Dec36° / 29°2.69.25.48.90.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
33961
44060
53961
63961
73961
83961
93961
104060
114060
124159
134159
144159
154258
164357
174357
184258
194357
204357
214456
224357
234357
244357
254357
264357
274456
284456
294456
304456
314456

Chance of precipitation in May

Any precipitation

Oak Creek gets around 3.4 in of rain over 10.6 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
436
536
636
736
836
936
1036
1136
1236
1336
1436
1536
1635
1735
1835
1934
2034
2133
2233
2333
2432
2532
2632
2732
2832
2932
3031
3131

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29910
39910
49910
59910
69910
79910
89910
99910
109910
119820
129820
139820
149820
159730
169730
179541
189451
199451
209262
219172
228983
238893
2486104
2585114
2683125
2782135
2880146
2978157
3076168
3174179

Wind in May

Winds average 12 mph in May.

Across May, daily wind ranges from about 12 mph on the calmest days to 13 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
113breezy
213breezy
313breezy
413breezy
513breezy
613breezy
713breezy
813breezy
913breezy
1013breezy
1113breezy
1213breezy
1313breezy
1412breezy
1512breezy
1612breezy
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 54 min at the start of May to 14 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 4:53 AM to 4:22 AM, and sunset from 6:44 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.94:536:44
213.94:526:45
313.94:506:47
414.04:496:48
514.04:486:49
614.14:466:50
714.14:456:51
814.14:446:52
914.24:426:53
1014.24:416:55
1114.34:406:56
1214.34:396:57
1314.34:386:58
1414.44:366:59
1514.44:357:00
1614.44:347:01
1714.54:337:02
1814.54:327:03
1914.54:317:04
2014.64:307:05
2114.64:297:06
2214.64:297:07
2314.74:287:08
2414.74:277:09
2514.74:267:10
2614.84:257:11
2714.84:257:12
2814.84:247:13
2914.84:237:14
3014.94:237:15
3114.94:227:16

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.92 kWh/m².

For context, solar energy here swings from a low near 1.39 kWh/m² to a high of 6.51 kWh/m² in June across the year — May's 5.92 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.7Bright
95.7Bright
105.7Bright
115.8Bright
125.8Bright
135.8Bright
145.9Bright
155.9Bright
165.9Bright
176.0Bright
186.0Intense
196.0Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.3Intense
316.3Intense
Planning a trip in May

Is May a good time to visit Oak Creek?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.9
Sightseeing
6th-best month of the year
0.0
Beach & pool
6th-best month of the year

May is a weaker month for outdoor sightseeing in Oak Creek.

What to pack for Oak Creek in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Oak Creek sees daytime highs around 53°F and nights near 47°F. Pack a warm layer. Worth having: rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Oak Creek in May

The nearest coast averages about 43°F in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 70°F and coldest in March near 36°F.

It's comfortable for a long swim from Jul 24 to Sep 2 — about 1.3 months when the water holds above 68°F.

30°40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar36Bracing
Apr38Bracing
May43Bracing
Jun55Bracing
Jul67Cool
Aug70Refreshing
Sep66Cool
Oct56Bracing
Nov47Bracing
Dec41Bracing

UV index in Oak Creek in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Oak Creek peaks around June 22 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 22UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Oak Creek in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Oak Creek 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1017 µg/m³Oct 249 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar15Moderate
Apr15Moderate
May16Moderate
Jun17Moderate
Jul17Moderate
Aug16Moderate
Sep13Moderate
Oct9Good
Nov9Good
Dec10Good
Location & terrain

Where is Oak Creek?

Oak Creek sits at 42.9°N, 87.9°W, 702 ft above sea level, in United States. The nearest listed city is South Milwaukee, 1.9 mi away.

Topography around Oak Creek

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Oak Creek.

Within 2 miles, the terrain around Oak Creek has only modest variations in elevation — a maximum elevation change of 194 ft around an average of 659 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 400 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 810 ft.

The land around Oak Creek is covered by trees (28%), artificial surfaces (24%) and grassland (23%) within 2 miles, water (40%) within 10 miles, and water (49%) within 50 miles.

2 miles
194 ft
10 miles
400 ft
50 miles
810 ft
treesgrasslandcroplandartificial surfaceswater
May weather nearby: South Milwaukee 1.9 mi · Cudahy 5.0 mi · Caledonia 6.2 mi · Franklin 8.7 mi · Greenfield 9.3 mi · Milwaukee 11 mi · West Allis 12 mi · Racine 12 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 Oak Creek (42.8858°, -87.8631°, elevation 702 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).