August weather forecastClarksville, IA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Clarksville, Iowa, with an average temperature varying between 78.3°F (25.7°C) and 60.4°F (15.8°C).Temperature
The introduction of August notes a subtle temperature variation to a still moderately hot 78.3°F (25.7°C) from July's 79.5°F (26.4°C). Throughout the month of August, the average temperature dips to a moderate 60.4°F (15.8°C) at night.Humidity
The average relative humidity in August is 82%.Rainfall
In August, the rain falls for 14.5 days. Throughout August, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 138.7 rainfall days, and 28.78" (731mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August is 13h and 52min.On the first day of the month, sunrise is at 6:02 am and sunset at 8:30 pm. On the last day of August, sunrise is at 6:35 am and sunset at 7:46 pm CDT.
Sunshine
In Clarksville, the average sunshine in August is 9.8h.UV index
In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 in August translates into these instructions:
Exercise prevention - Precautions against solar damage are endorsed. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Clarksville, IA
- Average high temperature in August: 78.3°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in August: 60.4°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in August
Clarksville, IA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Clarksville, IA
- Average wind speed in August: 7mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in August
Clarksville, IA
- Average humidity in August: 82%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Clarksville, IA
- Average rainfall in August: 2.36"
The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in August
Clarksville, IA
- Average rainfall days in August: 14.5 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in August
Clarksville, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Clarksville, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Clarksville, IA
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Clarksville, IA
- Average sunshine days in August: 13.1 days
The months with the most sunshine days are October and November (17.8 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in August
Clarksville, IA
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Clarksville, 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
Clarksville, IA
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
