Weathermondo.com
United StatesThe weather in August in Grand Rapids
It's warm in August in Grand Rapids with an average temperature of 27°C. Temperatures this month range from a low of 25°C to a high of 30°C. At night, you can expect temperatures between 16°C and 19°C.
Looking for sun? August isn’t a good month to be in Grand Rapids. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Grand Rapids, Michigan. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 34°C in 2021, Grand Rapids reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 16°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 8°C to a highest value of 25°C.
Rainfall amount
In August, there is an average of 148 mm of precipitation, spread over 17 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in August for Grand Rapids
Click on any day in August to get detailed info about the usual weather on that day in Grand Rapids. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Grand Rapids | New York | |
|---|---|---|
| Average temperature | 27°C | 30°C |
| Max. temperature | 30°C | 31°C |
| Min. temperature | 16°C | -5°C |
| Total precipitation | 148 mm | 79 mm |
| Rainy days | 17 days | 13 days |
Start of August
The month of August starts in Grand Rapids with hot temps, averaging around 28°C during the day and nights around 17°C.
Mid August
By mid-August, daytime temps stay steady at around 28°C, with nights around 18°C. There’s a high chance of precipitation during this time.
End of August
By the end of August, the average daytime temperature in Grand Rapids is around 26°C, while nighttime temps are about 17°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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UV index
The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Grand Rapids for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in August in Grand Rapids, Michigan. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Grand Rapids
Temperature in August in Grand Rapids over the years
Precipitation charts
These charts show the average amount of precipitation in August in Grand Rapids, Michigan. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Grand Rapids
Total precipitation in August in Grand Rapids over the years
Daily UV index in August in Grand Rapids
This chart shows the average daily UV index in August in Grand Rapids, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Grand Rapids
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Average weather in Grand Rapids by month
Click on a month below to see detailed weather info for Grand Rapids. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.