Sheboygan weather in August: Sheboygan, Wisconsin: normal highs, lows, rain and records for August
Sheboygan in August has a normal high of 78°F and a normal low of 57°F, a daily mean of 68°F, falling from 80°F on the 1st to 76°F by the 31st. Measurable precipitation falls on 12 days in a normal August, 3.06 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 14°C, 78 mm of precipitation in August.
- NOAA stationSheboygan County Mem Airport
- Station IDUSW00004841
- Location43.77°N 87.85°W
- Elevation746 ft (227 m)
- Population49,624
- Jan 27° 12°
- Feb 30° 14°
- Mar 41° 24°
- Apr 53° 34°
- May 65° 44°
- Jun 75° 54°
- Jul 80° 58°
- Aug 78° 57°
- Sep 71° 50°
- Oct 58° 39°
- Nov 44° 28°
- Dec 33° 18°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Sheboygan in August?
The normal high is 78°F and the normal low 57°F, for a daily mean of 67.7°F. August is 1.6°F cooler than July and 7.3°F warmer than September. August is the 2nd warmest month of the year in Sheboygan and the 5th wettest. Across the month the normal high falls 4°F, from 80°F on August 1 to 76°F on August 31. From one year to the next August's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 65°F and 70°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 39%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 80°F | 59°F | 39% | 21% |
| August 8 | 79°F | 58°F | 39% | 20% |
| August 15 | 78°F | 58°F | 39% | 19% |
| August 22 | 78°F | 57°F | 39% | 18% |
| August 31 | 76°F | 54°F | 38% | 18% |
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 | 80°F | 59°F | 39% | 21% | 14 h 40 min |
| August 2 | 80°F | 59°F | 39% | 20% | 14 h 40 min |
| August 3 | 80°F | 59°F | 39% | 20% | 14 h 30 min |
| August 4 | 80°F | 59°F | 39% | 20% | 14 h 30 min |
| August 5 | 79°F | 59°F | 39% | 20% | 14 h 30 min |
| August 6 | 79°F | 59°F | 39% | 20% | 14 h 30 min |
| August 7 | 79°F | 59°F | 39% | 20% | 14 h 20 min |
| August 8 | 79°F | 58°F | 39% | 20% | 14 h 20 min |
| August 9 | 79°F | 58°F | 39% | 20% | 14 h 20 min |
| August 10 | 79°F | 58°F | 39% | 19% | 14 h 20 min |
| August 11 | 79°F | 58°F | 39% | 19% | 14 h 10 min |
| August 12 | 79°F | 58°F | 39% | 19% | 14 h 10 min |
| August 13 | 79°F | 58°F | 39% | 19% | 14 h 10 min |
| August 14 | 79°F | 58°F | 39% | 19% | 14 h 10 min |
| August 15 | 78°F | 58°F | 39% | 19% | 14 h |
| August 16 | 78°F | 58°F | 39% | 19% | 14 h |
| August 17 | 78°F | 57°F | 39% | 18% | 14 h |
| August 18 | 78°F | 57°F | 39% | 18% | 13 h 50 min |
| August 19 | 78°F | 57°F | 39% | 18% | 13 h 50 min |
| August 20 | 78°F | 57°F | 39% | 18% | 13 h 50 min |
| August 21 | 78°F | 57°F | 39% | 18% | 13 h 50 min |
| August 22 | 78°F | 57°F | 39% | 18% | 13 h 40 min |
| August 23 | 78°F | 56°F | 39% | 18% | 13 h 40 min |
| August 24 | 77°F | 56°F | 39% | 18% | 13 h 40 min |
| August 25 | 77°F | 56°F | 39% | 18% | 13 h 40 min |
| August 26 | 77°F | 56°F | 39% | 18% | 13 h 30 min |
| August 27 | 77°F | 55°F | 39% | 18% | 13 h 30 min |
| August 28 | 77°F | 55°F | 39% | 18% | 13 h 30 min |
| August 29 | 77°F | 55°F | 39% | 18% | 13 h 20 min |
| August 30 | 76°F | 55°F | 38% | 18% | 13 h 20 min |
| August 31 | 76°F | 54°F | 38% | 18% | 13 h 20 min |
- Normal high
- 78°FAugust average
- Normal low
- 57°FAugust average
- Precipitation
- 3.06 inmonth total
- Days with precipitation
- 120.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 14 h 40 min to 13 h 20 minAugust 1 to August 31
- Days at 70°F or more
- 29
- Days at 80°F or more
- 14
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00004841; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Sheboygan in August?
On a given August day the chance of 0.01 inch or more is 39% on average, highest around August 17 (39%). In all, 3.06 in falls on 12 days of a normal August, 1 of them with an inch or more.
In a normal August in Sheboygan, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00004841.
What are the records for August in Sheboygan?
The warmest August temperature on this station's record (since 1996) is 96°F, on August 27, 2013; the coldest is 39°F, on August 31, 2009. The wettest August brought 10.02 in (1998).
The August mean against the 1991-2020 normal of 67.7°F: 2021 72.0°F (+4.3), 2022 69.4°F (+1.7), 2023 68.3°F (+0.6), 2024 69.8°F (+2.1), 2025 66.4°F (−1.3), 2026 68.7°F (+1.0). 5 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 72.0°F | +4.3°F | 6.28 in |
| 2022 | 69.4°F | +1.7°F | 2.54 in |
| 2023 | 68.3°F | +0.6°F | 4.33 in |
| 2024 | 69.8°F | +2.1°F | 4.45 in |
| 2025 | 66.4°F | −1.3°F | 3.48 in |
| 2026 | 68.7°F | +1.0°F | 1.17 in |
Source: records: ACIS, station USW00004841; recent months: ACIS, station USW00004841. Records and recent months use complete months only.
How does August in Sheboygan compare across Wisconsin?
Across the 165 places PlainClimate covers in Wisconsin, August normal highs run from 71°F in Laona to 83°F in Lake Geneva; Sheboygan's is 78°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.