Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Cass records an average high-temperature of a still warm 79.3°F (26.3°C) in August, closely mirroring the climate of the previous month. Cass's nighttime temperature during August is consistently averaged at a refreshing 61.5°F (16.4°C).Humidity
The average relative humidity in August is 81%.Rainfall
In Cass, Iowa, in August, during 12.6 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, in Cass, there are 137.5 rainfall days, and 27.68" (703mm) of precipitation is accumulated.Snowfall
In Cass, snow does not fall in May through September.Daylight
In Cass, the average length of the day in August is 13h and 50min.On the first day of the month, sunrise is at 5:59 am and sunset at 8:24 pm. On the last day of August, in Cass, Iowa, sunrise is at 6:30 am and sunset at 7:40 pm CDT.
Sunshine
July and August, with an average of 9.8h of sunshine, are months with the most sunshine.UV index
In Cass, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In August, the average maximum UV index of 5 translates into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August in Cass?
What is the average humidity in August in Cass?
How many days does it rain in August in Cass?
When it does not snow in Cass?
How many hours of daylight does Cass have in August?
When are sunrise and sunset in August in Cass?
What is the month with the most sunshine in Cass?
How long on average sun shines in August in Cass?
What is the UV index reading in August in Cass?
Average temperature in August
Cass, IA
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in August: 61.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in August
Cass, 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
Cass, IA
- Average wind speed in August: 7mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in August
Cass, IA
- Average humidity in August: 81%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Cass, IA
- Average rainfall in August: 1.81"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in August
Cass, IA
- Average rainfall days in August: 12.6 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in August
Cass, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.16").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Cass, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Cass, IA
- Average daylight in August: 13h and 5min
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 5min
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 48min).
Average sunshine days in August
Cass, IA
- Average sunshine days in August: 16.3 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in August
Cass, IA
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Cass, IA
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in August
Cass, 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).
Cass, Iowa, USA
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