August weather forecast and climate
Grand Rapids, MI

The vast cityscape of Grand Rapids, a moderately large town in Michigan, and two visible bridges across the river, on a warm and cool, cloudy day
The vast cityscape of Grand Rapids, a moderately large town in Michigan, and two visible bridges across the river, on a warm and cool, cloudy day

What is the temperature in August in Grand Rapids?

In August, the average high-temperature is 80.6°F (27°C), and the average low-temperature is 61°F (16.1°C).

What is the average humidity in August in Grand Rapids?

In August, the average relative humidity in Grand Rapids, Michigan, is 73.3%.

How much does it rain in Grand Rapids in August?

In Grand Rapids, in August, during 9.6 rainfall days, 3.6" (91.2mm) of precipitation is typically accumulated.
Average temperature in August - Grand Rapids, MI
  • Average high temperature in August: 27°C

The warmest month (with the highest average high temperature) is July (28.2°C).
The month with the lowest average high temperature is January (-0.7°C).

  • Average low temperature in August: 16.1°C

The month with the highest average low temperature is July (16.8°C).
The coldest month (with the lowest average low temperature) is January (-7.7°C).

Average humidity in August - Grand Rapids, MI
  • Average humidity in August: 73.3%

The month with the highest relative humidity is December (79.5%).
The month with the lowest relative humidity is May (65.4%).

Average rainfall in August - Grand Rapids, MI
  • Average rainfall in August: 91.2mm

The wettest month (with the highest rainfall) is September (108.7mm).
The driest month (with the lowest rainfall) is February (45.5mm).

Average rainfall days in August - Grand Rapids, MI
  • Average rainfall days in August: 9.6 days

Months with the highest number of rainy days are January and December (16 days).
The month with the lowest number of rainy days is August (9.6 days).

Average snowfall in August - Grand Rapids, MI
  • Average snowfall in August: 0mm

The month with the highest snowfall is December (556.3mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

Average snowfall days in August - Grand Rapids, MI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (14.9 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Grand Rapids, MI
  • Average daylight in August: 13.9h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9.1h).

  • Average sunshine in August: 8.5h

Months with most sunshine are June and July (Average sunshine: 9.6h).
The month with least sunshine is December (Average sunshine: 2h).

deutscheenglishespañolрусский中文