August weather forecastOsterdock, IA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Osterdock, Iowa, with an average temperature fluctuating between 78.4°F (25.8°C) and 59.5°F (15.3°C).Temperature
Osterdock's August reports an average high-temperature of a still moderately hot 78.4°F (25.8°C), exhibiting a minor difference from July. Osterdock, during August, witnesses an average low-temperature of 59.5°F (15.3°C).Humidity
In Osterdock, the average relative humidity in August is 81%.Rainfall
In Osterdock, in August, during 12.6 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, in Osterdock, there are 138.5 rainfall days, and 28.46" (723mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 52min.On the first day of the month, sunrise is at 5:57 am and sunset at 8:24 pm. On the last day of August, in Osterdock, Iowa, sunrise is at 6:29 am and sunset at 7:40 pm CDT.
Sunshine
July and August, with an average of 9.9h of sunshine, are months with the most sunshine in Osterdock.UV index
The average daily maximum UV index in August in Osterdock is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 5 in August suggests the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Osterdock, IA
- Average high temperature in August: 78.4°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in August
Osterdock, IA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Osterdock, IA
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in August
Osterdock, IA
- Average humidity in August: 81%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (75%).
Average rainfall in August
Osterdock, IA
- Average rainfall in August: 1.81"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in August
Osterdock, IA
- Average rainfall days in August: 12.6 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in August
Osterdock, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Osterdock, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Osterdock, 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 54min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Osterdock, IA
- Average sunshine days in August: 16.6 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in August
Osterdock, 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, November and December (UV index 1).
Average cloud cover in August
Osterdock, IA
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in August
Osterdock, IA
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).





