Sheboygan weather in August

In August, Sheboygan sees average daytime highs of 76°F and overnight lows near 65°F, with 3.4 in of rain across 10.3 wet days and about 13.8 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 77°F in the first days to 74°F by the end. The sky is clear or mostly clear about 36% of the time in August, and the air most often feels muggy.

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 Sheboygan's 3rd-clearest and 12th-windiest month. For the whole year in context, see Sheboygan's year-round climate.

Daytime high
76°
2nd warmest
Overnight low
65°
11th coldest
Rainfall
3.4 in
10.3 wet days
Daylight
13 h 48 min
5:00 AM – 6:50 PM
Cloud cover
56%
3rd clearest
Wind
8 mph
12th windiest
Solar energy
5.48 kWh/m²
Travel score
7.0
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 August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 77°F in the first days to 74°F by the end.

A typical August day in Sheboygan reaches about 76°F in the afternoon and slips back to 65°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 69°F and 82°F. Set against its neighbours, August runs on par with July and about 7°F warmer than September.

50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
17766
27766
37766
47766
57766
67766
77766
87766
97666
107665
117665
127665
137665
147665
157665
167665
177665
187665
197665
207565
217565
227564
237564
247564
257564
267564
277464
287464
297463
307463
317463

How August really feels in Sheboygan

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.

Sheboygan weather by month

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

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% 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
95446
105446
115347
125347
135446
145446
155347
165347
175347
185347
195347
205248
215347
225347
235347
245347
255347
265446
275545
285545
295545
305545
315644

Chance of precipitation in August

Any precipitation

Sheboygan gets around 3.4 in of rain over 10.3 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
334
434
534
634
733
833
933
1033
1133
1232
1332
1432
1532
1632
1732
1833
1933
2033
2133
2233
2333
2432
2532
2631
2731
2830
2930
3029
3129

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 38% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
16232928131
26232928131
36232928131
46232928121
56232928121
67232928121
77232928121
87232928111
98232928111
108242928111
119242928100
129242928100
13924292890
14924292890
15924302880
16924302980
171024292980
181024293070
191024293070
201024293070
211024293070
221024293070
231124293070
241124293060
251224282960
261224282960
271324272960
281524272960
291624262950
301724252850
311924252750

Wind in August

Winds average 8 mph in August, the calmest month.

Across August, 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
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light 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 4:43 AM to 5:18 AM, and sunset from 7:10 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:437:10
214.44:447:09
314.44:467:08
414.34:477:07
514.34:487:05
614.34:497:04
714.24:507:03
814.24:517:01
914.14:527:00
1014.14:536:59
1114.04:556:57
1214.04:566:56
1314.04:576:54
1413.94:586:53
1513.94:596:51
1613.85:006:50
1713.85:016:48
1813.75:036:46
1913.75:046:45
2013.65:056:43
2113.65:066:42
2213.55:076:40
2313.55:086:38
2413.45:106:36
2513.45:116:35
2613.45:126:33
2713.35:136:31
2813.35:146:29
2913.25:156:28
3013.25:176:26
3113.15:186:24

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.48 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 — August's 5.48 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.0Intense
36.0Bright
45.9Bright
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
235.3Bright
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 Sheboygan?

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

7.0
Sightseeing
1st-best month of the year
6.0
Beach & pool
2nd-best month of the year

August is one of the better times to visit Sheboygan for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Sheboygan in August

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

In August, Sheboygan sees daytime highs around 76°F and nights near 65°F. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Sheboygan 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 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 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 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).