Manitowoc weather in May

In May, Manitowoc sees average daytime highs of 60°F and overnight lows near 47°F, with 3.3 in of rain across 10.4 wet days and about 14.5 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 55°F in the first days to 65°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 15 hours by month's end. Set against the rest of the year, May is Manitowoc's 5th-clearest and 9th-windiest month. For the whole year in context, see Manitowoc's year-round climate.

Daytime high
60°
5th warmest
Overnight low
47°
8th coldest
Rainfall
3.3 in
10.4 wet days
Daylight
14 h 36 min
4:30 AM – 7:04 PM
Cloud cover
63%
5th clearest
Wind
9 mph
9th windiest
Solar energy
5.99 kWh/m²
Travel score
4.7
out of 10

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

Density
701/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 55°F in the first days to 65°F by the end.

A typical May day in Manitowoc reaches about 60°F in the afternoon and slips back to 47°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 50°F and 70°F. Set against its neighbours, May runs about 11°F warmer than April and about 12°F cooler than June.

30°40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
15442
25542
35542
45543
55643
65643
75644
85744
95744
105845
115845
125845
135946
145946
155946
166047
176047
186147
196148
206148
216248
226249
236349
246350
256450
266451
276451
286551
296552
306652
316653

How May really feels in Manitowoc

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.

Manitowoc weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan27° / 15°1.67.96.79.10.0
Feb29° / 16°1.46.65.610.20.0
Mar38° / 25°2.294.811.60.1
Apr49° / 36°3.411.22.713.21.9
May60° / 47°3.310.4014.54.7
Jun72° / 59°3.410.6015.26.5
Jul78° / 65°3.510.70156.8
Aug76° / 64°3.510.3013.86.9
Sep69° / 56°2.89.4012.36.5
Oct56° / 45°2.99.70.210.83.9
Nov44° / 34°2.18.529.40.8
Dec33° / 23°1.87.35.28.80.0

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 17% of May, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
43961
54060
64060
73961
83961
93961
103961
114060
124060
134060
144258
154258
164258
174258
184357
194456
204555
214555
224555
234654
244753
254753
264753
274753
284852
294852
304753
314852

Chance of precipitation in May

Any precipitation

Manitowoc gets around 3.3 in of rain over 10.4 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 (%)
135
235
335
436
536
636
735
835
935
1035
1134
1234
1334
1434
1534
1633
1733
1833
1932
2032
2132
2232
2332
2432
2532
2632
2732
2832
2933
3033
3133

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
199100
298200
398200
498200
596310
696310
796310
895410
995410
1094510
1194510
1294510
1393610
1493610
1592710
1692710
1790820
1890820
1989920
20871030
21861031
22841141
23831241
24821251
25811351
26791461
27781471
28771571
29761581
30741682
31721792

Wind in May

Winds average 9 mph in May.

Across May, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light 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
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light 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 4:50 AM to 4:17 AM, and sunset from 6:46 PM to 7:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.94:506:46
214.04:486:47
314.04:476:48
414.14:456:50
514.14:446:51
614.24:436:52
714.24:416:53
814.24:406:54
914.34:396:55
1014.34:376:57
1114.44:366:58
1214.44:356:59
1314.44:347:00
1414.54:327:01
1514.54:317:02
1614.64:307:04
1714.64:297:05
1814.64:287:06
1914.74:277:07
2014.74:267:08
2114.74:257:09
2214.84:247:10
2314.84:237:11
2414.84:227:12
2514.94:227:13
2614.94:217:14
2714.94:207:15
2814.94:197:16
2915.04:197:17
3015.04:187:18
3115.04:177:19

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.99 kWh/m².

For context, solar energy here swings from a low near 1.42 kWh/m² to a high of 6.51 kWh/m² in June across the year — May's 5.99 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
95.8Bright
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 Manitowoc?

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

4.7
Sightseeing
5th-best month of the year
0.8
Beach & pool
5th-best month of the year

May is a reasonable time to visit Manitowoc for sightseeing.

What to pack for Manitowoc in May

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

In May, Manitowoc sees daytime highs around 60°F and nights near 47°F. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

Sea temperature near Manitowoc 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 offshore is warmest in August at about 69°F and coldest in March near 36°F.

It's comfortable for a long swim from Aug 10 to Aug 23 — about 0.5 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
Dec40Bracing

UV index in Manitowoc 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 Manitowoc 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
Feb2Moderate
Mar4Moderate
Apr5High
May8Very high
Jun9Very high
Jul8Very high
Aug7High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Manitowoc?

Manitowoc sits at 44.1°N, 87.7°W, 604 ft above sea level, in United States. The nearest listed city is Sheboygan, 24 mi away.

Topography around Manitowoc

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

Within 2 miles, the terrain around Manitowoc has only modest variations in elevation — a maximum elevation change of 125 ft around an average of 607 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 394 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 774 ft.

The land around Manitowoc is covered by water (40%) and artificial surfaces (33%) within 2 miles, water (41%) and cropland (25%) within 10 miles, and water (53%) and cropland (24%) within 50 miles.

2 miles
125 ft
10 miles
394 ft
50 miles
774 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Sheboygan 24 mi · Bellevue 28 mi · De Pere 32 mi · Kaukauna 33 mi · Ashwaubenon 34 mi · Green Bay 35 mi · Howard 38 mi · Appleton 39 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 Manitowoc (44.0886°, -87.6576°, elevation 604 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).