August weather forecastWall Lake, IA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Wall Lake, Iowa, with an average temperature fluctuating between 61.3°F (16.3°C) and 79.2°F (26.2°C).Temperature
Upon the onset of August, Wall Lake witnesses an average high-temperature of a still warm 79.2°F (26.2°C), showing a close resemblance to the prior month. During the nights in August, an average low-temperature of 61.3°F (16.3°C) is observed.Humidity
The average relative humidity in August in Wall Lake is 80%.Rainfall
In August, the rain falls for 11.4 days. Throughout August, 1.77" (45mm) of precipitation is accumulated. Throughout the year, there are 107.9 rainfall days, and 15.04" (382mm) of precipitation is accumulated.Snowfall
In Wall Lake, snow does not fall in June 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 6:14 am and sunset at 8:39 pm. On the last day of August, sunrise is at 6:45 am and sunset at 7:55 pm CDT.
Sunshine
In Wall Lake, the average sunshine in August is 9.5h.UV index
The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 5 in August transforms into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Wall Lake, IA
- Average high temperature in August: 79.2°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 (25.2°F).
- Average low temperature in August: 61.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in August
Wall Lake, 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 (29.88"Hg).
Average wind speed in August
Wall Lake, IA
- Average wind speed in August: 7.6mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in August
Wall Lake, IA
- Average humidity in August: 80%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is April (67%).
Average rainfall in August
Wall Lake, IA
- Average rainfall in August: 1.77"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in August
Wall Lake, IA
- Average rainfall days in August: 11.4 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in August
Wall Lake, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Wall Lake, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Wall Lake, 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 30min
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 0min).
Average sunshine days in August
Wall Lake, IA
- Average sunshine days in August: 16.3 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12 days).
Average UV index in August
Wall Lake, IA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in August
Wall Lake, IA
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in August
Wall Lake, IA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





