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
August's presence records an average high-temperature of a still warm 80.2°F (26.8°C), closely mirroring July's climate. In August, Granville encounters an average low-temperature of 60.4°F (15.8°C) during the night.Humidity
The average relative humidity in August in Granville is 77%.Rainfall
In August, the rain falls for 13.4 days. Throughout August, 2.28" (58mm) of precipitation is accumulated. In Granville, during the entire year, the rain falls for 124 days and collects up to 24.09" (612mm) of precipitation.Snowfall
June through September are months without snowfall in Granville.Daylight
In August, the average length of the day is 13h and 53min.On the first day of August in Granville, sunrise is at 6:15 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:59 pm CDT.
Sunshine
The average sunshine in August is 9.6h.UV index
In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 5 during August morphs into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Granville in August?
What is the average humidity in August in Granville?
How many days does it rain in August in Granville?
When it does not snow in Granville?
What is the average length of the day in August in Granville?
When are sunrise and sunset in August in Granville?
How many hours of sunshine does Granville have in August?
What is the UV index reading in August in Granville?
Average temperature in August
Granville, IA
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (24.6°F).
- Average low temperature in August: 60.4°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in August
Granville, IA
- Average pressure in August: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in August
Granville, IA
- Average wind speed in August: 8.1mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in August
Granville, IA
- Average humidity in August: 77%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (67%).
Average rainfall in August
Granville, IA
- Average rainfall in August: 2.28"
The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in August
Granville, IA
- Average rainfall days in August: 13.4 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in August
Granville, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Granville, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Granville, IA
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Granville, IA
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in August
Granville, IA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Granville, IA
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in August
Granville, IA
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Granville, Iowa, USA
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