August weather forecastDow City, IA
August
Weather in August
The last month of the summer, August, is another warm month in Dow City, Iowa, with an average temperature varying between 79.7°F (26.5°C) and 61.7°F (16.5°C).Temperature
Dow City's average high-temperature marks a still warm 79.7°F (26.5°C) with the advent of August, closely mirroring that of the preceding month. The average temperature during August nights is registered at a refreshing 61.7°F (16.5°C).Humidity
In Dow City, the average relative humidity in August is 80%.Rainfall
In August, the rain falls for 13.7 days. Throughout August, 2.6" (66mm) of precipitation is accumulated. In Dow City, during the entire year, the rain falls for 123 days and collects up to 24.72" (628mm) of precipitation.Snowfall
In Dow City, snow does not fall in June through September.Daylight
In Dow City, the average length of the day in August is 13h and 49min.On the first day of the month, sunrise is at 6:16 am and sunset at 8:40 pm. On the last day of August, sunrise is at 6:47 am and sunset at 7:56 pm CDT.
Sunshine
In August, the average sunshine is 9.5h.UV index
In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 5 in August leads to these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dow City, IA
- Average high temperature in August: 79.7°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in August: 61.7°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure in August
Dow City, 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 (29.87"Hg).
Average wind speed in August
Dow City, IA
- Average wind speed in August: 7.6mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in August
Dow City, IA
- Average humidity in August: 80%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in August
Dow City, IA
- Average rainfall in August: 2.6"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in August
Dow City, IA
- Average rainfall days in August: 13.7 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in August
Dow City, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Dow City, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Dow City, 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 12min).
Average sunshine days in August
Dow City, IA
- Average sunshine days in August: 15 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in August
Dow City, 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
Dow City, IA
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in August
Dow City, IA
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





