Sylvania weather in August

In August, Sylvania sees average daytime highs of 81°F and overnight lows near 63°F, with 3.2 in of rain across 9.9 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 81°F through the month. The sky is clear or mostly clear about 33% 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 Sylvania's 3rd-clearest and 12th-windiest month. For the whole year in context, see Sylvania's year-round climate.

Daytime high
81°
2nd warmest
Overnight low
63°
11th coldest
Rainfall
3.2 in
9.9 wet days
Daylight
13 h 42 min
5:48 AM – 7:30 PM
Cloud cover
56%
3rd clearest
Wind
7 mph
12th windiest
Solar energy
5.36 kWh/m²
Travel score
6.6
out of 10

Sylvania is city in Lucas County, Ohio, United States.

Density
1,123/km²
people per km²
Founded
1833

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 81°F through the month.

A typical August day in Sylvania reaches about 81°F in the afternoon and slips back to 63°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 73°F and 88°F. Set against its neighbours, August runs about 2°F cooler than July and about 6°F warmer than September.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18265
28265
38265
48264
58264
68264
78264
88164
98164
108164
118164
128164
138164
148164
158163
168063
178063
188063
198063
208063
218063
228063
238063
248062
258062
268062
278062
288062
297962
307961
317961

How August really feels in Sylvania

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.

Sylvania 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° / 20°2.59.85.79.30.0
Feb35° / 21°2.18.65.410.30.0
Mar46° / 29°2.89.93.711.71.2
Apr58° / 40°3.611.90.913.14.1
May69° / 51°3.812.7014.36.0
Jun79° / 61°3.511.40156.4
Jul83° / 65°3.311014.75.9
Aug81° / 63°3.29.9013.76.6
Sep74° / 56°2.48.2012.37.1
Oct62° / 44°2.69.10.110.95.3
Nov49° / 34°2.78.61.59.61.9
Dec37° / 26°2.48.84.290.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25743
35743
45743
55644
65545
75545
85545
95446
105347
115347
125347
135347
145347
155347
165347
175347
185248
195248
205248
215347
225248
235248
245347
255347
265446
275446
285545
295545
305644
315644

Chance of precipitation in August

Any precipitation

Sylvania gets around 3.2 in of rain over 9.9 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 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
133
232
332
432
532
632
732
832
933
1033
1133
1234
1334
1434
1534
1634
1734
1834
1934
2034
2133
2233
2332
2432
2531
2630
2730
2829
2929
3028
3128

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 26% of days. Sticky, muggy-or-worse air turns up on roughly 34% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11225272510
21225272510
31225272510
41325272510
51325272510
61325272510
71325272510
81425262510
91425262510
10142526259
11152526259
12152526269
13152525268
14152625268
15152625267
16152626277
17142626277
18142626286
19142526286
20152526296
21152526295
22152526295
23152426295
24162427295
25162427285
26172427285
27182426275
28192426274
29192426264
30202526254
31222525244

Wind in August

Winds average 7 mph in August, the calmest month.

Across August, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 5:33 AM to 6:04 AM, and sunset from 7:49 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:337:49
214.25:347:48
314.25:357:47
414.25:367:46
514.15:377:45
614.15:387:43
714.15:397:42
814.05:407:41
914.05:417:40
1013.95:427:38
1113.95:437:37
1213.95:447:35
1313.85:457:34
1413.85:467:33
1513.75:477:31
1613.75:487:30
1713.75:497:28
1813.65:507:27
1913.65:517:25
2013.55:527:24
2113.55:537:22
2213.45:547:21
2313.45:567:19
2413.35:577:17
2513.35:587:16
2613.35:597:14
2713.26:007:13
2813.26:017:11
2913.16:027:09
3013.16:037:07
3113.06:047:06

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.36 kWh/m².

For context, solar energy here swings from a low near 1.53 kWh/m² to a high of 6.32 kWh/m² in June across the year — August's 5.36 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.7Bright
55.7Bright
65.7Bright
75.6Bright
85.6Bright
95.6Bright
105.5Bright
115.5Bright
125.5Bright
135.4Bright
145.4Bright
155.4Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
314.9Bright
Planning a trip in August

Is August a good time to visit Sylvania?

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

6.6
Sightseeing
2nd-best month of the year
6.7
Beach & pool
2nd-best month of the year

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

What to pack for Sylvania in August

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

In August, Sylvania sees daytime highs around 81°F and nights near 63°F. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Sylvania 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 21 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 20 to Sep 20 — 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
Mar36Bracing
Apr44Bracing
May56Bracing
Jun67Cool
Jul75Refreshing
Aug75Warm
Sep70Refreshing
Oct58Bracing
Nov46Bracing
Dec38Bracing

UV index in Sylvania 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 Sylvania peaks around June 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May7Very high
Jun9Very high
Jul8Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

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

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1116 µg/m³Oct 238 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar14Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul16Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov9Good
Dec9Good
Location & terrain

Where is Sylvania?

Sylvania sits at 41.7°N, 83.7°W, 663 ft above sea level, in United States. The nearest listed city is Toledo, 8.7 mi away.

Topography around Sylvania

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

Within 2 miles, the terrain around Sylvania has only modest variations in elevation — a maximum elevation change of 135 ft around an average of 673 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 256 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 945 ft.

The land around Sylvania is covered by trees (43%) and grassland (23%) within 2 miles, cropland (39%) and trees (34%) within 10 miles, and cropland (51%) and trees (22%) within 50 miles.

2 miles
135 ft
10 miles
256 ft
50 miles
945 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Toledo 8.7 mi · Perrysburg 12 mi · Oregon 13 mi · Adrian 21 mi · Monroe 21 mi · Bowling Green 24 mi · Ypsilanti 37 mi · Romulus 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 Sylvania (41.7189°, -83.713°, elevation 663 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).