August weather forecastCascade, IA
August
Weather in August
The last month of the summer, August, is another warm month in Cascade, Iowa, with an average temperature fluctuating between 78.6°F (25.9°C) and 60.6°F (15.9°C).Temperature
The beginning of August records an average high-temperature of a still warm 78.6°F (25.9°C), almost echoing the conditions of the previous month. An average temperature of 60.6°F (15.9°C) marks the nights in August.Humidity
The average relative humidity in August is 81%.Rainfall
In Cascade, in August, it is raining for 12.4 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, in Cascade, there are 140.9 rainfall days, and 28.7" (729mm) of precipitation is accumulated.Snowfall
In Cascade, snow does not fall in May through September.Daylight
In August, the average length of the day is 13h and 50min.On the first day of the month, sunrise is at 5:57 am and sunset at 8:23 pm. On the last day of August, sunrise is at 6:29 am and sunset at 7:39 pm CDT.
Sunshine
July and August, with an average of 9.8h of sunshine, are months with the most sunshine.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 5 during August translates into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Cascade, IA
- Average high temperature in August: 78.6°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 (24.6°F).
- Average low temperature in August: 60.6°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 (12.6°F).
Average pressure in August
Cascade, 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
Cascade, IA
- Average wind speed in August: 6.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in August
Cascade, IA
- Average humidity in August: 81%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).
Average rainfall in August
Cascade, IA
- Average rainfall in August: 1.85"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in August
Cascade, IA
- Average rainfall days in August: 12.4 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in August
Cascade, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Cascade, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.2 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
Cascade, 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 6min).
- Average sunshine in August: 9h and 48min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Cascade, IA
- Average sunshine days in August: 16.3 days
The month with the most sunshine days is December (17.3 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in August
Cascade, IA
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Cascade, IA
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in August
Cascade, IA
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
