Grand Haven weather in August: Grand Haven, Michigan: normal highs, lows, rain and records for August
Grand Haven in August has a normal high of 79°F and a normal low of 60°F, a daily mean of 69°F, falling from 80°F on the 1st to 77°F by the 31st. The month brings 3.13 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 15°C, 80 mm of precipitation in August.
- NOAA stationGrand Haven Wastewater Treatment Plant
- Station IDUSC00203295
- Location43.06°N 86.20°W
- Elevation605 ft (184 m)
- From the centerunder 1 mile
- Population11,045
- Jan 32° 19°
- Feb 33° 20°
- Mar 42° 26°
- Apr 55° 36°
- May 67° 47°
- Jun 76° 57°
- Jul 80° 62°
- Aug 79° 60°
- Sep 73° 53°
- Oct 60° 43°
- Nov 47° 33°
- Dec 37° 25°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Grand Haven in August?
The normal high is 79°F and the normal low 60°F, for a daily mean of 69.4°F. August is 1.6°F cooler than July and 6.7°F warmer than September. August is the 2nd warmest month of the year in Grand Haven and the 7th wettest. Across the month the normal high falls 3°F, from 80°F on August 1 to 77°F on August 31.
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 80°F | 62°F | – | – |
| August 8 | 80°F | 61°F | – | – |
| August 15 | 79°F | 60°F | – | – |
| August 22 | 79°F | 59°F | – | – |
| August 31 | 77°F | 57°F | – | – |
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 | 62°F | – | – | 14 h 30 min |
| August 2 | 80°F | 62°F | – | – | 14 h 30 min |
| August 3 | 80°F | 62°F | – | – | 14 h 30 min |
| August 4 | 80°F | 62°F | – | – | 14 h 30 min |
| August 5 | 80°F | 61°F | – | – | 14 h 20 min |
| August 6 | 80°F | 61°F | – | – | 14 h 20 min |
| August 7 | 80°F | 61°F | – | – | 14 h 20 min |
| August 8 | 80°F | 61°F | – | – | 14 h 20 min |
| August 9 | 80°F | 61°F | – | – | 14 h 10 min |
| August 10 | 80°F | 61°F | – | – | 14 h 10 min |
| August 11 | 80°F | 61°F | – | – | 14 h 10 min |
| August 12 | 79°F | 61°F | – | – | 14 h 10 min |
| August 13 | 79°F | 61°F | – | – | 14 h 10 min |
| August 14 | 79°F | 60°F | – | – | 14 h |
| August 15 | 79°F | 60°F | – | – | 14 h |
| August 16 | 79°F | 60°F | – | – | 14 h |
| August 17 | 79°F | 60°F | – | – | 13 h 50 min |
| August 18 | 79°F | 60°F | – | – | 13 h 50 min |
| August 19 | 79°F | 60°F | – | – | 13 h 50 min |
| August 20 | 79°F | 59°F | – | – | 13 h 50 min |
| August 21 | 79°F | 59°F | – | – | 13 h 40 min |
| August 22 | 79°F | 59°F | – | – | 13 h 40 min |
| August 23 | 78°F | 59°F | – | – | 13 h 40 min |
| August 24 | 78°F | 59°F | – | – | 13 h 40 min |
| August 25 | 78°F | 58°F | – | – | 13 h 30 min |
| August 26 | 78°F | 58°F | – | – | 13 h 30 min |
| August 27 | 78°F | 58°F | – | – | 13 h 30 min |
| August 28 | 78°F | 58°F | – | – | 13 h 30 min |
| August 29 | 78°F | 58°F | – | – | 13 h 20 min |
| August 30 | 77°F | 57°F | – | – | 13 h 20 min |
| August 31 | 77°F | 57°F | – | – | 13 h 20 min |
- Normal high
- 79°FAugust average
- Normal low
- 60°FAugust average
- Precipitation
- 3.13 inmonth total
- Daylight
- 14 h 30 min to 13 h 20 minAugust 1 to August 31
- Days at 70°F or more
- 29
- Days at 80°F or more
- 12
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00203295; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Grand Haven in August?
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00203295.
How does August in Grand Haven compare across Michigan?
Across the 140 places PlainClimate covers in Michigan, August normal highs run from 72°F in Munising to 83°F in Morenci; Grand Haven's is 79°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.