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
With the onset of August, the average high-temperature stands at a still warm 76.6°F (24.8°C), closely aligned with July's 77.4°F (25.2°C). Grand River's average low-temperature in the month of August is recorded at a comfortable 64.9°F (18.3°C).Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 76%.Rainfall
In August, the rain falls for 17.8 days. Throughout August, 2.76" (70mm) of precipitation is accumulated. Throughout the year, there are 178.9 rainfall days, and 32.2" (818mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Grand River, the average length of the day in August is 13h and 49min.On the first day of August, sunrise is at 6:20 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 7:59 pm EDT.
Sunshine
The average sunshine in August is 10.5h.UV index
The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 5 in August translates into these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures?
What is the least humid month in Grand River?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Grand River have in August?
What time are sunrise and sunset in August?
How long on average sun shines in August?
How high is the UV index in August?
Average temperature in August
Grand River, OH
- Average high temperature in August: 76.6°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in August: 64.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in August
Grand River, 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 River, OH
- Average wind speed in August: 7.5mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in August
Grand River, OH
- Average humidity in August: 76%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall in August
Grand River, OH
- Average rainfall in August: 2.76"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in August
Grand River, OH
- Average rainfall days in August: 17.8 days
The month with the highest number of rainy days is October (18 days).
The month with the least rainy days is January (9 days).
Average snowfall in August
Grand River, OH
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Grand River, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Grand River, OH
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 10h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in August
Grand River, OH
- Average sunshine days in August: 10.3 days
The month with the most sunshine days is May (11.4 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in August
Grand River, OH
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Grand River, OH
- Average cloud cover in August: 27
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in August
Grand River, OH
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Grand River, Ohio, USA
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