Ashtabula in Summer
In summer (June, July and August), Ashtabula sees average daytime highs around 77°F and overnight lows near 63°F, with 14.1 in of rain over about 40 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Over the season highs climb from about 72°F in early June to 76°F by late August. The sky is clear or mostly clear about 36% of the time across summer, and the air most often feels humid.
Summer is Ashtabula's best season of the year to visit on our travel score. For the whole year in context, see Ashtabula's year-round climate.
- Avg daytime high
- 77°F
- warmest season of the year
- Avg overnight low
- 63°F
- Rainfall
- 14.1 in
- 40 wet days
- Avg wind
- 6 mph
- Travel score
- 6.4
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Ashtabula in Summer
Over the season highs climb from about 72°F in early June to 76°F by late August.
A typical summer day in Ashtabula reaches about 77°F and drops to 63°F overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Ashtabula
Once humidity and wind are folded in, summer brings about 0 days that feel above 90°F and 0 that feel at or below 32°F.
summer 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 the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 33° / 21° | 3.5 | 14.3 | 12.2 | 9.3 | 0.0 |
| Feb | 35° / 22° | 2.7 | 11.2 | 8.2 | 10.3 | 0.0 |
| Mar | 44° / 29° | 3.5 | 12.1 | 5.7 | 11.7 | 0.7 |
| Apr | 56° / 40° | 4.4 | 14.1 | 2 | 13.1 | 3.4 |
| May | 67° / 51° | 4.3 | 13.8 | 0 | 14.3 | 5.5 |
| Jun | 76° / 60° | 5.1 | 13.7 | 0 | 15 | 6.3 |
| Jul | 79° / 65° | 4.6 | 13.3 | 0 | 14.7 | 6.3 |
| Aug | 77° / 63° | 4.4 | 12.7 | 0 | 13.7 | 6.5 |
| Sep | 71° / 56° | 3.8 | 10.9 | 0 | 12.3 | 6.5 |
| Oct | 60° / 46° | 3.8 | 13 | 0.2 | 10.9 | 4.5 |
| Nov | 48° / 36° | 3.6 | 13.1 | 4 | 9.6 | 1.6 |
| Dec | 38° / 28° | 3.6 | 14.5 | 9.7 | 9 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 36% of the time across summer.
Chance of precipitation in Summer
Ashtabula gets around 14.1 in of rain over 40 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 6 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 48 min in early June to 13 hours by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.0 kWh/m².
Is summer a good time to visit Ashtabula?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Ashtabula for sightseeing.
What to pack for Ashtabula in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Ashtabula sees daytime highs around 77°F and nights near 63°F. Pack rain gear and sun protection. Worth having: light clothes. About 40 days see rain.
Sea temperature near Ashtabula in Summer
The nearest coast averages about 70°F across summer — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 36 | 33 | 34 | 40 | 50 | 63 | 73 | 74 | 70 | 61 | 51 | 42 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Refreshing | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 36 | Bracing |
| Feb | 33 | Bracing |
| Mar | 34 | Bracing |
| Apr | 40 | Bracing |
| May | 50 | Bracing |
| Jun | 63 | Cool |
| Jul | 73 | Refreshing |
| Aug | 74 | Refreshing |
| Sep | 70 | Refreshing |
| Oct | 61 | Cool |
| Nov | 51 | Bracing |
| Dec | 42 | Bracing |
UV index in Ashtabula in Summer
Clear-sky midday UV across summer averages around 8 (very high — sun protection essential). 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 6 | 8 | 9 | 8 | 7 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | High | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | High |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
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.
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
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.