August weather forecastPlainfield, IA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Plainfield, Iowa, with temperature in the range of an average low of 59.9°F (15.5°C) and an average high of 77.9°F (25.5°C).Temperature
August's average high-temperature is a still moderately hot 77.9°F (25.5°C), maintaining a close comparison with July's 79.2°F (26.2°C). Plainfield, during the month of August, experiences an average low-temperature of 59.9°F (15.5°C).Humidity
In Plainfield, the average relative humidity in August is 82%.Rainfall
In August, the rain falls for 12.3 days. Throughout August, 2.2" (56mm) of precipitation is accumulated. In Plainfield, during the entire year, the rain falls for 127.3 days and collects up to 26.61" (676mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Plainfield, the average length of the day in August is 13h and 52min.On the first day of August, sunrise is at 6:02 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:45 pm CDT.
Sunshine
July and August, with an average of 9.6h of sunshine, are months with the most sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 5 in August translates into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Plainfield, IA
- Average high temperature in August: 77.9°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in August: 59.9°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 (10.8°F).
Average pressure in August
Plainfield, IA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Plainfield, IA
- Average wind speed in August: 7.1mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in August
Plainfield, IA
- Average humidity in August: 82%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Plainfield, IA
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in August
Plainfield, IA
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in August
Plainfield, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Plainfield, 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
Plainfield, 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 36min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Plainfield, IA
- Average sunshine days in August: 17.3 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in August
Plainfield, 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 and December (UV index 1).
Average cloud cover in August
Plainfield, IA
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Plainfield, IA
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
