Tiffin weather in August

In August, Tiffin sees average daytime highs of 81°F and overnight lows near 63°F, with 3.2 in of rain across 10.2 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 6th-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 34% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 12 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Tiffin's 2nd-clearest and 12th-windiest month. For the whole year in context, see Tiffin's year-round climate.

Daytime high
81°
2nd warmest
Overnight low
63°
11th coldest
Rainfall
3.2 in
10.2 wet days
Daylight
13 h 42 min
5:47 AM – 7:27 PM
Cloud cover
55%
2nd clearest
Wind
7 mph
12th windiest
Solar energy
5.45 kWh/m²
Travel score
6.5
out of 10

Tiffin is city in and the county seat of Seneca County, Ohio, United States.

Density
990/km²
people per km²
Founded
1812

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 Tiffin reaches about 81°F in the afternoon and slips back to 63°F overnight — a 18°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)
18264
28264
38264
48264
58264
68164
78164
88164
98164
108164
118163
128163
138163
148163
158163
168063
178063
188063
198063
208063
218062
228062
238062
248062
258062
268062
278062
288062
298061
308061
317961

How August really feels in Tiffin

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.

Tiffin weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan34° / 21°2.910.76.29.40.0
Feb37° / 22°2.49.15.210.40.0
Mar48° / 30°3.411.23.611.71.6
Apr60° / 41°4.112.60.813.14.5
May71° / 52°4.313.3014.36.0
Jun79° / 61°4.012014.96.3
Jul82° / 65°3.411.3014.76.1
Aug81° / 63°3.210.2013.66.5
Sep75° / 56°2.79.1012.37.0
Oct63° / 45°2.89.40.210.95.5
Nov50° / 35°3.19.21.49.72.2
Dec39° / 26°2.910.24.39.10.1

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 21% of August, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35743
45743
55644
65644
75545
85545
95446
105446
115446
125347
135446
145347
155347
165446
175446
185446
195446
205545
215446
225545
235545
245644
255644
265644
275743
285743
295842
305941
315941

Chance of precipitation in August

Any precipitation

Tiffin gets around 3.2 in of rain over 10.2 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 33% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
234
334
434
534
634
734
834
934
1034
1134
1235
1335
1435
1535
1634
1734
1834
1933
2033
2133
2232
2332
2431
2531
2630
2730
2830
2929
3029
3130

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 27% 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 (%)
11123292610
21123292610
31223292610
41224292510
51324282510
61324282510
71424282510
81424272410
91424272410
101524272410
111524262410
121524262410
131524262510
14152526259
15152526259
16152526258
17162526268
18162526268
19162526277
20162426277
21162426277
22172426286
23172426286
24182326276
25182326276
26192326275
27202325265
28212325255
29232325255
30242325245
31252325234

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
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
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 12 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 72 minutes over August. Sunrise moves from 5:32 AM to 6:03 AM, and sunset from 7:46 PM to 7:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:327:46
214.25:337:44
314.25:347:43
414.15:357:42
514.15:367:41
614.05:377:40
714.05:387:39
814.05:397:37
913.95:407:36
1013.95:417:35
1113.95:427:33
1213.85:437:32
1313.85:447:31
1413.75:457:29
1513.75:467:28
1613.75:477:27
1713.65:487:25
1813.65:497:24
1913.55:507:22
2013.55:517:21
2113.45:527:19
2213.45:537:18
2313.45:547:16
2413.35:557:14
2513.35:567:13
2613.25:577:11
2713.25:587:10
2813.15:597:08
2913.16:007:06
3013.16:017:05
3113.06:037:03

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.45 kWh/m².

For context, solar energy here swings from a low near 1.57 kWh/m² to a high of 6.28 kWh/m² in June across the year — August's 5.45 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.7Bright
75.7Bright
85.7Bright
95.6Bright
105.6Bright
115.6Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.3Bright
215.3Bright
225.3Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.1Bright
285.1Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in August

Is August a good time to visit Tiffin?

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

6.5
Sightseeing
2nd-best month of the year
6.6
Beach & pool
2nd-best month of the year

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

What to pack for Tiffin in August

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

In August, Tiffin 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 Tiffin 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 35 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 19 to Sep 21 — 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
Apr43Bracing
May55Bracing
Jun67Cool
Jul75Refreshing
Aug75Warm
Sep70Refreshing
Oct59Bracing
Nov46Bracing
Dec38Bracing

UV index in Tiffin 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 Tiffin peaks around June 19 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 19UV 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar5Moderate
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Tiffin 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 Tiffin is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.1× 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
Feb12Moderate
Mar13Moderate
Apr14Moderate
May15Moderate
Jun16Moderate
Jul16Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Tiffin?

Tiffin sits at 41.1°N, 83.2°W, 745 ft above sea level, in United States. The nearest listed city is Fremont, 17 mi away.

Topography around Tiffin

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

Within 2 miles, the terrain around Tiffin has only modest variations in elevation — a maximum elevation change of 167 ft around an average of 764 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 430 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,106 ft.

The land around Tiffin is covered by grassland (27%), cropland (26%) and trees (25%) within 2 miles, cropland (71%) within 10 miles, and cropland (61%) within 50 miles.

2 miles
167 ft
10 miles
430 ft
50 miles
1,106 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Fremont 17 mi · Findlay 25 mi · Bowling Green 30 mi · Norwalk 30 mi · Sandusky 34 mi · Marion 37 mi · Perrysburg 39 mi · Oregon 40 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 Tiffin (41.1145°, -83.178°, elevation 745 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).