August weather forecastWilley, IA
August
Weather in August
August, the last month of the summer in Willey, is also a moderately hot month, with temperature in the range of an average low of 61.5°F (16.4°C) and an average high of 79.5°F (26.4°C).Temperature
Willey's average high-temperature in August sits at a still moderately hot 79.5°F (26.4°C), showing little difference from the previous month. Willey observes an average nighttime temperature of 61.5°F (16.4°C) during August.Humidity
In August, the average relative humidity in Willey is 80%.Rainfall
In Willey, in August, it is raining for 12 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, there are 130.1 rainfall days, and 27.28" (693mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 49min.On the first day of August, sunrise is at 6:13 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 7:54 pm CDT.
Sunshine
The average sunshine in August is 9.7h.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 radiation for ordinary individuals.Note: A typical high UV index of 5 in August suggests the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. When the Sun is at its strongest around midday, find shade and limit exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Willey, IA
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in August: 61.5°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in August
Willey, IA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Willey, IA
- Average wind speed in August: 7.4mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in August
Willey, IA
- Average humidity in August: 80%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (69%).
Average rainfall in August
Willey, IA
- Average rainfall in August: 2.32"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in August
Willey, IA
- Average rainfall days in August: 12 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in August
Willey, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Willey, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Willey, IA
- Average daylight in August: 13h and 48min
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: 9h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in August
Willey, IA
- Average sunshine days in August: 15.9 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (10 days).
Average UV index in August
Willey, IA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in August
Willey, IA
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in August
Willey, IA
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January and August (5mi).





