Manitowoc weather in August

In August, Manitowoc sees average daytime highs of 76°F and overnight lows near 64°F, with 3.5 in of rain across 10.3 wet days and about 13.8 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 78°F in the first days to 74°F by the end. The sky is clear or mostly clear about 34% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 30 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Manitowoc's 3rd-clearest and 12th-windiest month. For the whole year in context, see Manitowoc's year-round climate.

Daytime high
76°
2nd warmest
Overnight low
64°
11th coldest
Rainfall
3.5 in
10.3 wet days
Daylight
13 h 48 min
4:59 AM – 6:50 PM
Cloud cover
56%
3rd clearest
Wind
8 mph
12th windiest
Solar energy
5.47 kWh/m²
Travel score
6.9
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 August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 78°F in the first days to 74°F by the end.

A typical August day in Manitowoc reaches about 76°F in the afternoon and slips back to 64°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 69°F and 83°F. Set against its neighbours, August runs about 1°F cooler than July and about 7°F warmer than September.

50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
17865
27865
37865
47765
57765
67765
77765
87764
97764
107764
117764
127764
137664
147664
157664
167664
177664
187664
197663
207663
217663
227663
237563
247563
257563
267563
277562
287562
297462
307462
317462

How August really feels in Manitowoc

Once humidity and wind are folded in, August 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

August 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 August compares with the rest of the year at a glance. August is the 2nd-warmest and 1st-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35644
45545
55545
65545
75446
85446
95347
105347
115248
125248
135248
145248
155248
165248
175248
185248
195248
205248
215248
225248
235248
245248
255446
265446
275545
285545
295644
305644
315644

Chance of precipitation in August

Any precipitation

Manitowoc gets around 3.5 in of rain over 10.3 wet days in August, the wettest month. 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 (%)
136
236
335
435
535
634
734
834
933
1033
1133
1233
1333
1433
1533
1633
1733
1833
1933
2033
2133
2233
2333
2432
2532
2631
2731
2830
2930
3029
3129

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
18253125111
28253125101
38253125101
48253125101
58253125101
69253125101
7925312590
81025312590
91025312590
101125312580
111125312580
121125312580
131125312570
141225312670
151225312660
161225312660
171225312750
181225312750
191225312750
201225312840
211225312840
221225312740
231325312740
241325312740
251425302740
261525302740
271625292640
281725282640
291825282640
302024272540
312124262440

Wind in August

Winds average 8 mph in August, the calmest month.

Across August, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
27light breeze
37light breeze
47light breeze
57light breeze
67calm
77calm
87calm
97calm
107light breeze
117light breeze
127light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 30 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over August. Sunrise moves from 4:42 AM to 5:17 AM, and sunset from 7:11 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:427:11
214.44:437:10
314.44:447:09
414.44:467:07
514.34:477:06
614.34:487:05
714.24:497:03
814.24:507:02
914.24:517:01
1014.14:526:59
1114.14:546:58
1214.04:556:56
1314.04:566:55
1413.94:576:53
1513.94:586:52
1613.84:596:50
1713.85:016:48
1813.85:026:47
1913.75:036:45
2013.75:046:44
2113.65:056:42
2213.65:066:40
2313.55:086:38
2413.55:096:37
2513.45:106:35
2613.45:116:33
2713.35:126:31
2813.35:146:30
2913.25:156:28
3013.25:166:26
3113.15:176:24

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.47 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 — August's 5.47 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.0Intense
36.0Bright
46.0Bright
55.9Bright
65.9Bright
75.8Bright
85.8Bright
95.7Bright
105.7Bright
115.7Bright
125.6Bright
135.6Bright
145.5Bright
155.5Bright
165.5Bright
175.4Bright
185.4Bright
195.4Bright
205.3Bright
215.3Bright
225.3Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.1Bright
285.1Bright
295.1Bright
305.0Bright
315.0Bright
Planning a trip in August

Is August a good time to visit Manitowoc?

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

6.9
Sightseeing
1st-best month of the year
6.0
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Manitowoc for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Manitowoc in August

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

In August, Manitowoc sees daytime highs around 76°F and nights near 64°F. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Manitowoc in August

The nearest coast averages about 69°F in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — 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
August 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).