Sheboygan weather in May

In May, Sheboygan sees average daytime highs of 57°F and overnight lows near 46°F, with 3.3 in of rain across 10.3 wet days and about 14.5 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 53°F in the first days to 62°F by the end. The sky is clear or mostly clear about 25% 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 15 hours by month's end. Set against the rest of the year, May is Sheboygan's 6th-clearest and 9th-windiest month. For the whole year in context, see Sheboygan's year-round climate.

Daytime high
57°
5th warmest
Overnight low
46°
7th coldest
Rainfall
3.3 in
10.3 wet days
Daylight
14 h 30 min
4:31 AM – 7:03 PM
Cloud cover
63%
6th clearest
Wind
9 mph
9th windiest
Solar energy
5.98 kWh/m²
Travel score
4.1
out of 10

Sheboygan is city in and county seat of Sheboygan County, Wisconsin, United States.

Density
1,293/km²
people per km²
Founded
1846

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 53°F in the first days to 62°F by the end.

A typical May day in Sheboygan reaches about 57°F in the afternoon and slips back to 46°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 49°F and 67°F. Set against its neighbours, May runs about 10°F warmer than April and about 12°F cooler than June.

30°40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
15241
25342
35342
45342
55442
65443
75443
85543
95544
105544
115644
125644
135645
145645
155745
165746
175846
185846
195847
205947
215947
226048
236048
246049
256149
266149
276250
286250
296251
306351
316351

How May really feels in Sheboygan

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.

Sheboygan weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan28° / 17°1.68.26.99.10.0
Feb29° / 17°1.56.75.510.20.0
Mar37° / 25°2.18.74.311.60.0
Apr47° / 36°3.410.82.213.21.5
May57° / 46°3.310.3014.54.1
Jun69° / 58°3.39.9015.26.4
Jul76° / 65°3.110014.97.0
Aug76° / 65°3.410.3013.87.0
Sep69° / 58°2.89.3012.36.5
Oct57° / 46°2.99.70.110.84.0
Nov45° / 36°2.18.51.69.51.0
Dec34° / 25°1.97.55.38.80.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
23961
33961
43862
53862
63862
73862
83862
93862
103961
113961
123961
133961
144060
154060
164060
174258
184357
194357
204357
214456
224555
234555
244555
254555
264654
274753
284753
294654
304654
314753

Chance of precipitation in May

Any precipitation

Sheboygan gets around 3.3 in of rain over 10.3 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 33% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
236
336
436
536
636
736
836
936
1035
1135
1235
1335
1434
1534
1634
1733
1833
1932
2032
2131
2231
2331
2431
2531
2631
2731
2831
2931
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 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29910
39820
49820
59820
69820
79730
89730
99730
109640
119640
129640
139550
149550
159451
169361
179361
189271
199082
209082
218992
2287103
2386113
2484124
2583134
2681145
2780155
2879165
2977176
3076186
3175187

Wind in May

Winds average 9 mph in May.

Across May, daily wind ranges from about 9 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
110light breeze
210light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 54 min at the start of May to 15 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over May. Sunrise moves from 4:51 AM to 4:19 AM, and sunset from 6:45 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.94:516:45
214.04:496:47
314.04:486:48
414.04:466:49
514.14:456:50
614.14:446:51
714.24:426:53
814.24:416:54
914.34:406:55
1014.34:386:56
1114.34:376:57
1214.44:366:58
1314.44:356:59
1414.54:347:01
1514.54:327:02
1614.54:317:03
1714.64:307:04
1814.64:297:05
1914.64:287:06
2014.74:277:07
2114.74:267:08
2214.74:257:09
2314.84:257:10
2414.84:247:11
2514.84:237:12
2614.94:227:13
2714.94:217:14
2814.94:217:15
2914.94:207:16
3015.04:197:17
3115.04:197:18

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.98 kWh/m².

For context, solar energy here swings from a low near 1.42 kWh/m² to a high of 6.53 kWh/m² in June across the year — May's 5.98 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.8Bright
115.8Bright
125.8Bright
135.9Bright
145.9Bright
156.0Bright
166.0Bright
176.0Intense
186.1Intense
196.1Intense
206.1Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in May

Is May a good time to visit Sheboygan?

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

4.1
Sightseeing
5th-best month of the year
0.3
Beach & pool
5th-best month of the year

May is a reasonable time to visit Sheboygan for sightseeing.

What to pack for Sheboygan in May

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

In May, Sheboygan sees daytime highs around 57°F and nights near 46°F. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

Sea temperature near Sheboygan in May

The nearest coast averages about 41°F in May — 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 69°F and coldest in March near 36°F.

It's comfortable for a long swim from Aug 8 to Aug 24 — about 0.6 months when the water holds above 68°F.

30°40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar36Bracing
Apr38Bracing
May41Bracing
Jun52Bracing
Jul65Cool
Aug69Refreshing
Sep65Cool
Oct55Bracing
Nov46Bracing
Dec41Bracing

UV index in Sheboygan 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 Sheboygan peaks around June 18 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 18UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May8Very high
Jun9Very high
Jul8Very high
Aug7Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Sheboygan 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 Sheboygan is worst in June — around 16 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2116 µg/m³Nov 138 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar14Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul15Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Sheboygan?

Sheboygan sits at 43.8°N, 87.7°W, 630 ft above sea level, in United States. The nearest listed city is Manitowoc, 24 mi away.

Topography around Sheboygan

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

Within 2 miles, the terrain around Sheboygan has only modest variations in elevation — a maximum elevation change of 174 ft around an average of 614 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 295 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 761 ft.

The land around Sheboygan is covered by artificial surfaces (39%) and water (36%) within 2 miles, water (52%) and cropland (21%) within 10 miles, and water (54%) and cropland (23%) within 50 miles.

2 miles
174 ft
10 miles
295 ft
50 miles
761 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Manitowoc 24 mi · West Bend 32 mi · Fond du Lac 36 mi · Mequon 40 mi · Germantown 41 mi · Menomonee Falls 44 mi · Oshkosh 45 mi · Kaukauna 46 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 Sheboygan (43.7508°, -87.7145°, elevation 630 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).