August weather forecastDolliver, IA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Dolliver, Iowa, with an average temperature ranging between max 78.1°F (25.6°C) and min 59.5°F (15.3°C).Temperature
The onset of August brings with it an average high-temperature of a still warm 78.1°F (25.6°C), showing a negligible variation from the month before. In August, Dolliver experiences a temperature dip to an average of 59.5°F (15.3°C) at night.Humidity
The average relative humidity in August is 80%.Rainfall
In August, the rain falls for 13.5 days. Throughout August, 1.93" (49mm) of precipitation is accumulated. In Dolliver, during the entire year, the rain falls for 123.7 days and collects up to 23.66" (601mm) of precipitation.Snowfall
In Dolliver, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 55min.On the first day of August, sunrise is at 6:08 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 7:54 pm CDT.
Sunshine
In Dolliver, the average sunshine in August is 9.6h.UV index
In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 during August leads to these advisories:
Undertake protective steps - Preventing sun damage is advised. When the Sun is at its strongest around midday, find shade and limit exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dolliver, IA
- Average high temperature in August: 78.1°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in August
Dolliver, IA
- Average pressure in August: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Dolliver, IA
- Average wind speed in August: 7.7mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in August
Dolliver, IA
- Average humidity in August: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall in August
Dolliver, IA
- Average rainfall in August: 1.93"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in August
Dolliver, IA
- Average rainfall days in August: 13.5 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in August
Dolliver, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Dolliver, 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
Dolliver, IA
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 9h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Dolliver, IA
- Average sunshine days in August: 15.3 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in August
Dolliver, IA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in August
Dolliver, IA
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in August
Dolliver, 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).





