Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The transition into August notes an average high-temperature of a still warm 78.8°F (26°C), revealing a mild distinction from the 80.8°F (27.1°C) in July. An average nighttime temperature of 61.5°F (16.4°C) is witnessed throughout August.Humidity
In August, the average relative humidity in Grand Rapids, Ohio, is 81%.Rainfall
In Grand Rapids, in August, it is raining for 16.8 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, there are 170.7 rainfall days, and 28.39" (721mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Grand Rapids.Daylight
In Grand Rapids, the average length of the day in August is 13h and 47min.On the first day of the month, sunrise is at 6:31 am and sunset at 8:52 pm. On the last day of August, sunrise is at 7:01 am and sunset at 8:09 pm EDT.
Sunshine
The average sunshine in August in Grand Rapids is 9.8h.UV index
The months with the highest UV index in Grand Rapids are June and August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: In August, a regular UV index of 6 translates into these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature in Grand Rapids?
What is the average humidity in August in Grand Rapids?
How much does it rain in Grand Rapids in August?
When it does not snow in Grand Rapids?
How many hours of daylight does Grand Rapids have in August?
What time are sunrise and sunset in August in Grand Rapids?
How long on average sun shines in August in Grand Rapids?
When is the highest UV index in Grand Rapids?
What is the UV index intensity in August in Grand Rapids?
Average temperature in August
Grand Rapids, OH
- Average high temperature in August: 78.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in August: 61.5°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in August
Grand Rapids, OH
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Grand Rapids, OH
- Average wind speed in August: 6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in August
Grand Rapids, OH
- Average humidity in August: 81%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Grand Rapids, OH
- Average rainfall in August: 2.56"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is December (1.73").
Average rainfall days in August
Grand Rapids, OH
- Average rainfall days in August: 16.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in August
Grand Rapids, OH
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Grand Rapids, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Grand Rapids, OH
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in August
Grand Rapids, OH
- Average sunshine days in August: 10.7 days
The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in August
Grand Rapids, OH
- Average UV index in August: 6
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Grand Rapids, OH
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in August
Grand Rapids, OH
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Grand Rapids, Ohio, USA
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