August weather forecastIowa Falls, IA
August
Weather in August
August, the last month of the summer in Iowa Falls, is also a moderately hot month, with an average temperature varying between 78.4°F (25.8°C) and 60.4°F (15.8°C).Temperature
In Iowa Falls, August's average high-temperature stands at a still warm 78.4°F (25.8°C), closely related to the preceding month. Throughout August, Iowa Falls witnesses a nighttime temperature average of 60.4°F (15.8°C).Humidity
In Iowa Falls, the average relative humidity in August is 82%.Rainfall
In Iowa Falls, in August, it is raining for 13 days, with typically 2.2" (56mm) of accumulated precipitation. In Iowa Falls, during the entire year, the rain falls for 132 days and collects up to 27.01" (686mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August is 13h and 51min.On the first day of the month, sunrise is at 6:06 am and sunset at 8:32 pm. On the last day of August, sunrise is at 6:37 am and sunset at 7:48 pm CDT.
Sunshine
The months with the most sunshine are July and August, with an average of 9.7h of sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Iowa Falls, IA
- Average high temperature in August: 78.4°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in August: 60.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure in August
Iowa Falls, IA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Iowa Falls, IA
- Average wind speed in August: 7.3mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in August
Iowa Falls, IA
- Average humidity in August: 82%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Iowa Falls, IA
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is June (4.06").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in August
Iowa Falls, IA
- Average rainfall days in August: 13 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in August
Iowa Falls, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Iowa Falls, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Iowa Falls, IA
- Average daylight in August: 13h and 54min
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 42min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Iowa Falls, IA
- Average sunshine days in August: 15.9 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in August
Iowa Falls, IA
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in August
Iowa Falls, IA
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in August
Iowa Falls, IA
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
