August weather forecastDeep River, IA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Deep River, Iowa, with an average temperature varying between 80.4°F (26.9°C) and 62.2°F (16.8°C).Temperature
August's beginning signals an average high-temperature of a still warm 80.4°F (26.9°C), barely different from July's 81.1°F (27.3°C). Nighttime temperature lowers to an average of 62.2°F (16.8°C) in August.Humidity
In August, the average relative humidity is 80%.Rainfall
In Deep River, Iowa, in August, during 13.8 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. Throughout the year, in Deep River, there are 145.5 rainfall days, and 30.39" (772mm) of precipitation is accumulated.Snowfall
In Deep River, snow does not fall in June through September.Daylight
In August, the average length of the day in Deep River is 13h and 48min.On the first day of August, sunrise is at 6:04 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:43 pm CDT.
Sunshine
In August, the average sunshine is 10h.UV index
The average daily maximum UV index in August in Deep River is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 5 during August leads to these instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Deep River, IA
- Average high temperature in August: 80.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in August: 62.2°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 (14.7°F).
Average pressure in August
Deep River, IA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Deep River, IA
- Average wind speed in August: 7mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in August
Deep River, IA
- Average humidity in August: 80%
The months with the highest relative humidity are January and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Deep River, IA
- Average rainfall in August: 2.52"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in August
Deep River, IA
- Average rainfall days in August: 13.8 days
The month with the highest number of rainy days is June (18.9 days).
The month with the least rainy days is February (5 days).
Average snowfall in August
Deep River, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Deep River, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Deep River, IA
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Deep River, IA
- Average sunshine days in August: 13.4 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in August
Deep River, 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 January (UV index 1).
Average cloud cover in August
Deep River, IA
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in August
Deep River, IA
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).





