Sandusky weather in August

In August, Sandusky sees average daytime highs of 78°F and overnight lows near 68°F, with 3.4 in of rain across 11.2 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 78°F through the month. The sky is clear or mostly clear about 41% of the time in August, and the air most often feels muggy.

Daylight stretches from about 14 h 18 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Sandusky's 1st-clearest and 12th-windiest month. For the whole year in context, see Sandusky's year-round climate.

Daytime high
78°
2nd warmest
Overnight low
68°
11th coldest
Rainfall
3.4 in
11.2 wet days
Daylight
13 h 42 min
5:45 AM – 7:25 PM
Cloud cover
51%
1st clearest
Wind
8 mph
12th windiest
Solar energy
5.68 kWh/m²
Travel score
6.7
out of 10

Sandusky is seat of Erie County, Ohio, USA.

Density
444/km²
people per km²
Founded
1818

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 78°F through the month.

A typical August day in Sandusky reaches about 78°F in the afternoon and slips back to 68°F overnight — a 10°F spread between the day's warmth and the night's chill. On most days the high lands between 71°F and 85°F. Set against its neighbours, August runs about 2°F cooler than July and about 6°F warmer than September.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18070
27970
37970
47970
57969
67969
77969
87969
97969
107869
117869
127869
137869
147869
157869
167868
177868
187868
197868
207868
217868
227768
237768
247768
257767
267767
277767
287767
297767
307667
317666

How August really feels in Sandusky

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.

Sandusky weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan33° / 22°3.01179.30.0
Feb34° / 23°2.49.15.410.30.0
Mar42° / 31°3.210.93.911.70.4
Apr55° / 44°4.013113.13.2
May67° / 56°3.913014.35.6
Jun76° / 66°4.012.2014.96.5
Jul80° / 70°3.511.6014.76.4
Aug78° / 68°3.411.2013.76.7
Sep71° / 61°2.99.3012.36.8
Oct60° / 49°3.110.6010.94.7
Nov48° / 39°3.210.11.49.71.6
Dec38° / 29°3.010.34.69.10.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36139
46139
56139
66139
76139
86139
96139
106040
116040
126040
135941
146040
156040
166040
175941
185941
195941
206040
216040
226040
236040
246040
256139
266139
276238
286238
296238
306238
316337

Chance of precipitation in August

Any precipitation

Sandusky gets around 3.4 in of rain over 11.2 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 36% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
437
537
637
738
838
938
1038
1139
1239
1338
1438
1538
1637
1737
1836
1936
2036
2135
2235
2334
2434
2533
2633
2732
2832
2932
3032
3132

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 50% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12152934191
22152934181
33152934181
43152934182
53152834172
63152834172
74152834172
84162833172
94162833172
104162833172
114162832172
124172832172
134172832172
144172832172
154172932162
164172933162
174172933151
184172934151
194172834151
204172835151
214182835141
224182835141
234182835140
244182836140
254192836130
265192835130
275192835120
286192835120
296202834120
307202834110
318202833110

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
248light breeze
258light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 18 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 5:29 AM to 6:00 AM, and sunset from 7:45 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:297:45
214.25:307:43
314.25:317:42
414.15:327:41
514.15:337:40
614.15:347:39
714.05:357:37
814.05:367:36
914.05:377:35
1013.95:387:34
1113.95:397:32
1213.85:407:31
1313.85:417:30
1413.85:437:28
1513.75:447:27
1613.75:457:25
1713.65:467:24
1813.65:477:22
1913.65:487:21
2013.55:497:19
2113.55:507:18
2213.45:517:16
2313.45:527:15
2413.35:537:13
2513.35:547:11
2613.25:557:10
2713.25:567:08
2813.25:577:06
2913.15:587:05
3013.15:597:03
3113.06:007:01

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.68 kWh/m².

For context, solar energy here swings from a low near 1.53 kWh/m² to a high of 6.55 kWh/m² in June across the year — August's 5.68 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.0Intense
66.0Intense
76.0Bright
85.9Bright
95.9Bright
105.9Bright
115.8Bright
125.8Bright
135.8Bright
145.7Bright
155.7Bright
165.7Bright
175.6Bright
185.6Bright
195.6Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.4Bright
255.4Bright
265.3Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in August

Is August a good time to visit Sandusky?

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

6.7
Sightseeing
2nd-best month of the year
6.3
Beach & pool
2nd-best month of the year

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

What to pack for Sandusky in August

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

In August, Sandusky sees daytime highs around 78°F and nights near 68°F. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Sandusky in August

The nearest coast averages about 75°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 13 mi away) is warmest in August at about 75°F and coldest in February near 33°F.

It's comfortable for a long swim from Jun 21 to Sep 23 — about 3.1 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan34Bracing
Feb33Bracing
Mar35Bracing
Apr42Bracing
May54Bracing
Jun67Cool
Jul75Refreshing
Aug75Warm
Sep71Refreshing
Oct60Cool
Nov48Bracing
Dec39Bracing

UV index in Sandusky 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 Sandusky peaks around June 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 19UV 9Dec 20UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May7Very high
Jun9Very high
Jul8Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Sandusky 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 Sandusky is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1016 µg/m³Oct 248 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar13Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Sandusky?

Sandusky sits at 41.4°N, 82.7°W, 594 ft above sea level, in United States. The nearest listed city is Norwalk, 15 mi away.

Topography around Sandusky

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

Within 2 miles, the terrain around Sandusky has only modest variations in elevation — a maximum elevation change of 82 ft around an average of 581 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 341 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,148 ft.

The land around Sandusky is covered by water (38%) and artificial surfaces (29%) within 2 miles, water (48%) and cropland (25%) within 10 miles, and cropland (37%) and water (37%) within 50 miles.

2 miles
82 ft
10 miles
341 ft
50 miles
1,148 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Norwalk 15 mi · Fremont 22 mi · Lorain 27 mi · Elyria 32 mi · Tiffin 34 mi · Avon 35 mi · Avon Lake 35 mi · Avon Center 35 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 Sandusky (41.4489°, -82.708°, elevation 594 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).