August weather forecastAmana, IA
August
Weather in August
August, the last month of the summer in Amana, is another warm month, with an average temperature ranging between max 79.5°F (26.4°C) and min 62.1°F (16.7°C).Temperature
As August takes hold, the average high-temperature is a still moderately hot 79.5°F (26.4°C), nearly mirroring that of the previous month. Amana's temperature drops to an average low of 62.1°F (16.7°C) during the nights of August.Humidity
The average relative humidity in August is 80%.Rainfall
In Amana, during August, the rain falls for 11.9 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Amana, during the entire year, the rain falls for 120.7 days and collects up to 18.31" (465mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Amana, the average length of the day in August is 13h and 49min.On the first day of August in Amana, sunrise is at 6:02 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:42 pm CDT.
Sunshine
The average sunshine in August is 9.9h.UV index
The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In August, the maximum UV index of 5 translates into these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Amana, IA
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in August: 62.1°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 (14.2°F).
Average pressure in August
Amana, IA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Amana, IA
- Average wind speed in August: 7mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in August
Amana, IA
- Average humidity in August: 80%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Amana, IA
- Average rainfall in August: 1.22"
The wettest month (with the highest rainfall) is May (3.07").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in August
Amana, IA
- Average rainfall days in August: 11.9 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).
Average snowfall in August
Amana, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Amana, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.3 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
Amana, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Amana, IA
- Average sunshine days in August: 17 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in August
Amana, 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
Amana, IA
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in August
Amana, IA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).





