Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
In August, Rockdale's weather conditions record an average high-temperature of a still warm 78.6°F (25.9°C), demonstrating little divergence from the preceding month. In Rockdale, the average temperature during the nights of August drops to a moderate 60.4°F (15.8°C).Humidity
In Rockdale, the average relative humidity in August is 81%.Rainfall
In Rockdale, during August, the rain falls for 12.1 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Rockdale, during the entire year, the rain falls for 135.3 days and collects up to 27.4" (696mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Rockdale, the average length of the day in August is 13h and 51min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:22 pm. On the last day of August, in Rockdale, sunrise is at 6:27 am and sunset at 7:38 pm CDT.
Sunshine
The months with the most sunshine in Rockdale are July and August, with an average of 9.7h of sunshine.UV index
In August, the average daily maximum UV index in Rockdale is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 5 during August leads to these instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the average August temperature in Rockdale?
What is the average humidity in August in Rockdale?
How many days does it rain in August in Rockdale?
When it does not snow in Rockdale?
How many hours of daylight does Rockdale have in August?
When are sunrise and sunset in August in Rockdale?
What is the month with the most sunshine in Rockdale?
How many hours of sunshine does Rockdale have in August?
How high is the UV index in August in Rockdale?
Average temperature in August
Rockdale, IA
- Average high temperature in August: 78.6°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in August: 60.4°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in August
Rockdale, IA
- Average pressure in August: 29.97"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
Rockdale, IA
- Average wind speed in August: 6.8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in August
Rockdale, IA
- Average humidity in August: 81%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is October (76%).
Average rainfall in August
Rockdale, IA
- Average rainfall in August: 1.73"
The wettest months (with the highest rainfall) are May and June (3.7").
The driest months (with the least rainfall) are January and February (1.14").
Average rainfall days in August
Rockdale, IA
- Average rainfall days in August: 12.1 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in August
Rockdale, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Rockdale, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Rockdale, IA
- Average daylight in August: 13h and 5min
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 6min).
- Average sunshine in August: 9h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Rockdale, IA
- Average sunshine days in August: 17.4 days
The months with the most sunshine days are November and December (17.5 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in August
Rockdale, IA
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in August
Rockdale, IA
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in August
Rockdale, 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).
Rockdale, Iowa, USA
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