Ashtabula weather in August: Ashtabula, Ohio: normal highs, lows, rain and records for August
Ashtabula in August has a normal high of 79°F and a normal low of 58°F, a daily mean of 69°F, falling from 81°F on the 1st to 77°F by the 31st. Measurable precipitation falls on 14 days in a normal August, 3.57 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 15°C, 91 mm of precipitation in August.
- NOAA stationAshtabula County Airport
- Station IDUSW00004857
- Location41.78°N 80.70°W
- Elevation924 ft (282 m)
- From the center9 miles
- Population17,775
- Jan 33° 19°
- Feb 36° 19°
- Mar 44° 26°
- Apr 58° 36°
- May 69° 46°
- Jun 77° 55°
- Jul 81° 60°
- Aug 79° 58°
- Sep 73° 52°
- Oct 61° 42°
- Nov 49° 34°
- Dec 38° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Ashtabula in August?
The normal high is 79°F and the normal low 58°F, for a daily mean of 68.7°F. August is 1.7°F cooler than July and 6.3°F warmer than September. August is the 2nd warmest month of the year in Ashtabula and the 5th wettest. Across the month the normal high falls 4°F, from 81°F on August 1 to 77°F on August 31. From one year to the next August's mean temperature typically moves about 1.8°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 67°F and 71°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 45%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 81°F | 60°F | 44% | 22% |
| August 8 | 80°F | 60°F | 45% | 21% |
| August 15 | 79°F | 59°F | 45% | 20% |
| August 22 | 79°F | 58°F | 45% | 20% |
| August 31 | 77°F | 56°F | 45% | 19% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 81°F | 60°F | 44% | 22% | 14 h 30 min |
| August 2 | 81°F | 60°F | 44% | 22% | 14 h 20 min |
| August 3 | 80°F | 60°F | 44% | 22% | 14 h 20 min |
| August 4 | 80°F | 60°F | 44% | 21% | 14 h 20 min |
| August 5 | 80°F | 60°F | 44% | 21% | 14 h 20 min |
| August 6 | 80°F | 60°F | 44% | 21% | 14 h 20 min |
| August 7 | 80°F | 60°F | 44% | 21% | 14 h 10 min |
| August 8 | 80°F | 60°F | 45% | 21% | 14 h 10 min |
| August 9 | 80°F | 59°F | 45% | 21% | 14 h 10 min |
| August 10 | 80°F | 59°F | 45% | 21% | 14 h 10 min |
| August 11 | 80°F | 59°F | 45% | 21% | 14 h |
| August 12 | 80°F | 59°F | 45% | 21% | 14 h |
| August 13 | 80°F | 59°F | 45% | 20% | 14 h |
| August 14 | 79°F | 59°F | 45% | 20% | 14 h |
| August 15 | 79°F | 59°F | 45% | 20% | 13 h 50 min |
| August 16 | 79°F | 59°F | 45% | 20% | 13 h 50 min |
| August 17 | 79°F | 58°F | 45% | 20% | 13 h 50 min |
| August 18 | 79°F | 58°F | 45% | 20% | 13 h 50 min |
| August 19 | 79°F | 58°F | 45% | 20% | 13 h 40 min |
| August 20 | 79°F | 58°F | 45% | 20% | 13 h 40 min |
| August 21 | 79°F | 58°F | 45% | 20% | 13 h 40 min |
| August 22 | 79°F | 58°F | 45% | 20% | 13 h 40 min |
| August 23 | 78°F | 57°F | 45% | 20% | 13 h 30 min |
| August 24 | 78°F | 57°F | 45% | 20% | 13 h 30 min |
| August 25 | 78°F | 57°F | 45% | 20% | 13 h 30 min |
| August 26 | 78°F | 57°F | 45% | 20% | 13 h 30 min |
| August 27 | 78°F | 57°F | 45% | 20% | 13 h 20 min |
| August 28 | 78°F | 56°F | 45% | 19% | 13 h 20 min |
| August 29 | 78°F | 56°F | 45% | 19% | 13 h 20 min |
| August 30 | 77°F | 56°F | 45% | 19% | 13 h 20 min |
| August 31 | 77°F | 56°F | 45% | 19% | 13 h 10 min |
- Normal high
- 79°FAugust average
- Normal low
- 58°FAugust average
- Precipitation
- 3.57 inmonth total
- Days with precipitation
- 140.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 14 h 30 min to 13 h 10 minAugust 1 to August 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 16
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00004857; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Ashtabula in August?
On a given August day the chance of 0.01 inch or more is 44% on average, highest around August 10 (45%). In all, 3.57 in falls on 14 days of a normal August, 1 of them with an inch or more.
In a normal August in Ashtabula, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00004857.
What are the records for August in Ashtabula?
The warmest August temperature on this station's record (since 1998) is 96°F, on August 1, 2002; the coldest is 41°F, on August 21, 2000. The wettest August brought 8.27 in (2011).
The August mean against the 1991-2020 normal of 68.7°F: 2021 73.2°F (+4.5), 2022 70.7°F (+2.0), 2023 68.1°F (−0.6), 2024 69.8°F (+1.1), 2025 68.1°F (−0.6), 2026 69.5°F (+0.8). 4 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 73.2°F | +4.5°F | 3.46 in |
| 2022 | 70.7°F | +2.0°F | 4.79 in |
| 2023 | 68.1°F | −0.6°F | 2.47 in |
| 2024 | 69.8°F | +1.1°F | 4.32 in |
| 2025 | 68.1°F | −0.6°F | – |
| 2026 | 69.5°F | +0.8°F | 3.67 in |
Source: records: ACIS, station USW00004857; recent months: ACIS, station USW00004857. Records and recent months use complete months only.
How does August in Ashtabula compare across Ohio?
Across the 99 places PlainClimate covers in Ohio, August normal highs run from 79°F in Ashtabula to 87°F in Lucasville; Ashtabula's is 79°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.