August weather forecastBlue Grass, IA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Blue Grass, Iowa, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 80.4°F (26.9°C).Temperature
The average high-temperature during August registers at a still moderately hot 80.4°F (26.9°C), maintaining a close resemblance to the previous month. Throughout August, an average nighttime temperature of 62.6°F (17°C) is experienced.Humidity
The average relative humidity in August is 80%.Rainfall
In August, the rain falls for 15.1 days. Throughout August, 2.24" (57mm) of precipitation is accumulated. In Blue Grass, during the entire year, the rain falls for 151.1 days and collects up to 31.14" (791mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in August is 13h and 47min.On the first day of August, sunrise is at 5:58 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:37 pm CDT.
Sunshine
In August, the average sunshine is 10h.UV index
The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 in August interprets into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Blue Grass, IA
- Average high temperature in August: 80.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in August: 62.6°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in August
Blue Grass, IA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Blue Grass, IA
- Average wind speed in August: 6.7mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in August
Blue Grass, IA
- Average humidity in August: 80%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Blue Grass, IA
- Average rainfall in August: 2.24"
The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in August
Blue Grass, IA
- Average rainfall days in August: 15.1 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in August
Blue Grass, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Blue Grass, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Blue Grass, IA
- Average daylight in August: 13h and 48min
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: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in August
Blue Grass, IA
- Average sunshine days in August: 12.9 days
The month with the most sunshine days is December (17.4 days).
The months with the least sunshine days are May and June (8.3 days).
Average UV index in August
Blue Grass, IA
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Blue Grass, IA
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in August
Blue Grass, IA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
