August weather forecastAspinwall, IA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Aspinwall, Iowa, with temperature in the range of an average high of 79.5°F (26.4°C) and an average low of 61.7°F (16.5°C).Temperature
As Aspinwall transitions into August, the average high-temperature stands at a still warm 79.5°F (26.4°C), offering little variation from the preceding month. Aspinwall's temperature tends to fall to an average low of 61.7°F (16.5°C) during the nights of August.Humidity
In August, the average relative humidity is 80%.Rainfall
In Aspinwall, in August, during 13.6 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Aspinwall, during the entire year, the rain falls for 126.1 days and collects up to 26.38" (670mm) of precipitation.Snowfall
In Aspinwall, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 49min.On the first day of August, sunrise is at 6:15 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 7:55 pm CDT.
Sunshine
The average sunshine in August in Aspinwall is 9.6h.UV index
In Aspinwall, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 5 during August leads to these instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Aspinwall, IA
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in August: 61.7°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in August
Aspinwall, 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 (29.87"Hg).
Average wind speed in August
Aspinwall, IA
- Average wind speed in August: 7.5mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in August
Aspinwall, 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
Aspinwall, IA
- Average rainfall in August: 2.64"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in August
Aspinwall, IA
- Average rainfall days in August: 13.6 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in August
Aspinwall, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Aspinwall, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Aspinwall, 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in August
Aspinwall, IA
- Average sunshine days in August: 15.9 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in August
Aspinwall, 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, February, October, November and December (UV index 2).
Average cloud cover in August
Aspinwall, 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
Aspinwall, 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).





