Ashtabula weather in August

In August, Ashtabula sees average daytime highs of 77°F and overnight lows near 63°F, with 4.4 in of rain across 12.7 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 77°F through the month. The sky is clear or mostly clear about 37% of the time in August, and the air most often feels humid.

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 Ashtabula's 1st-clearest and 12th-windiest month. For the whole year in context, see Ashtabula's year-round climate.

Daytime high
77°
2nd warmest
Overnight low
63°
11th coldest
Rainfall
4.4 in
12.7 wet days
Daylight
13 h 42 min
5:36 AM – 7:18 PM
Cloud cover
52%
1st clearest
Wind
6 mph
12th windiest
Solar energy
5.39 kWh/m²
Travel score
6.5
out of 10

Ashtabula is city in Ashtabula County, Ohio, USA.

Density
897/km²
people per km²
Founded
1803

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 77°F through the month.

A typical August day in Ashtabula reaches about 77°F in the afternoon and slips back to 63°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 85°F. Set against its neighbours, August runs about 2°F cooler than July and about 6°F warmer than September.

50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
17965
27964
37864
47864
57864
67864
77864
87864
97864
107864
117864
127863
137863
147863
157763
167763
177763
187763
197763
207763
217762
227762
237762
247762
257762
267762
277662
287662
297662
307661
317661

How August really feels in Ashtabula

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.

Ashtabula weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan33° / 21°3.514.312.29.30.0
Feb35° / 22°2.711.28.210.30.0
Mar44° / 29°3.512.15.711.70.7
Apr56° / 40°4.414.1213.13.4
May67° / 51°4.313.8014.35.5
Jun76° / 60°5.113.70156.3
Jul79° / 65°4.613.3014.76.3
Aug77° / 63°4.412.7013.76.5
Sep71° / 56°3.810.9012.36.5
Oct60° / 46°3.8130.210.94.5
Nov48° / 36°3.613.149.61.6
Dec38° / 28°3.614.59.790.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35941
45941
55941
65941
75941
85941
95941
105941
115941
125941
136040
145941
155941
166040
176040
186040
196040
206040
215941
225941
236040
246040
255941
265941
275941
286040
295941
305941
316040

Chance of precipitation in August

Any precipitation

Ashtabula gets around 4.4 in of rain over 12.7 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 41% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
243
343
443
543
643
743
843
943
1043
1143
1243
1343
1443
1543
1643
1742
1842
1941
2041
2140
2240
2339
2439
2538
2638
2737
2837
2937
3037
3137

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 34% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1821332810
2822322810
3823322810
4823312710
582431279
692430279
792530279
892530279
992629279
10102629269
11102629269
12102629268
13102630268
14102630268
15102630267
16112531267
17112531276
18112431276
19122432276
20122432276
21132332275
22132331275
23142331275
24142430275
25152430275
26152529275
27162528265
28172627265
29172627255
30182726245
31192825244

Wind in August

Winds average 6 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
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
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 5:21 AM to 5:52 AM, and sunset from 7:38 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:217:38
214.35:227:37
314.25:237:36
414.25:247:34
514.15:257:33
614.15:267:32
714.15:277:31
814.05:287:29
914.05:297:28
1013.95:307:27
1113.95:317:25
1213.95:327:24
1313.85:337:23
1413.85:347:21
1513.75:357:20
1613.75:367:18
1713.75:377:17
1813.65:387:15
1913.65:397:14
2013.55:407:12
2113.55:417:11
2213.45:437:09
2313.45:447:08
2413.45:457:06
2513.35:467:04
2613.35:477:03
2713.25:487:01
2813.25:496:59
2913.15:506:58
3013.15:516:56
3113.05:526:54

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.39 kWh/m².

For context, solar energy here swings from a low near 1.29 kWh/m² to a high of 6.29 kWh/m² in June across the year — August's 5.39 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.6Bright
95.6Bright
105.6Bright
115.5Bright
125.5Bright
135.5Bright
145.4Bright
155.4Bright
165.4Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.2Bright
225.2Bright
235.2Bright
245.1Bright
255.1Bright
265.1Bright
275.0Bright
285.0Bright
295.0Bright
304.9Bright
314.9Bright
Planning a trip in August

Is August a good time to visit Ashtabula?

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

6.5
Sightseeing
1st-best month of the year
6.0
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Ashtabula for sightseeing.

What to pack for Ashtabula in August

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

In August, Ashtabula sees daytime highs around 77°F and nights near 63°F. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

Sea temperature near Ashtabula in August

The nearest coast averages about 74°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 74°F and coldest in February near 33°F.

It's comfortable for a long swim from Jul 2 to Sep 22 — about 2.7 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan36Bracing
Feb33Bracing
Mar34Bracing
Apr40Bracing
May50Bracing
Jun63Cool
Jul73Refreshing
Aug74Refreshing
Sep70Refreshing
Oct61Cool
Nov51Bracing
Dec42Bracing

UV index in Ashtabula 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 Ashtabula peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 20UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug7High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Ashtabula?

Ashtabula sits at 41.9°N, 80.8°W, 673 ft above sea level, in United States. The nearest listed city is Painesville, 25 mi away.

Topography around Ashtabula

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

Within 2 miles, the terrain around Ashtabula has only modest variations in elevation — a maximum elevation change of 325 ft around an average of 699 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 502 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,181 ft.

The land around Ashtabula is covered by trees (58%), grassland (20%) and artificial surfaces (20%) within 2 miles, trees (42%) and water (34%) within 10 miles, and water (48%) and trees (36%) within 50 miles.

2 miles
325 ft
10 miles
502 ft
50 miles
1,181 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Painesville 25 mi · Mentor 32 mi · Willoughby 35 mi · Eastlake 37 mi · Erie 40 mi · Mayfield Heights 42 mi · Euclid 42 mi · Warren 43 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 Ashtabula (41.865°, -80.7898°, elevation 673 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).