August weather forecastCoulter, IA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Coulter, Iowa, with an average temperature varying between 60.4°F (15.8°C) and 78.3°F (25.7°C).Temperature
Coulter experiences an average high-temperature of a still warm 78.3°F (25.7°C) with the onset of August, subtly varied from July's 79.7°F (26.5°C). In the month of August, Coulter witnesses a consistent average low-temperature of 60.4°F (15.8°C).Humidity
In August, the average relative humidity is 82%.Rainfall
In August, in Coulter, the rain falls for 15.3 days. Throughout August, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 146.2 rainfall days, and 29.69" (754mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Coulter, the average length of the day in August is 13h and 52min.On the first day of the month, sunrise is at 6:05 am and sunset at 8:33 pm. On the last day of August, sunrise is at 6:38 am and sunset at 7:49 pm CDT.
Sunshine
In Coulter, the average sunshine in August is 9.8h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 5 in August transforms into this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Coulter, IA
- Average high temperature in August: 78.3°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 (23.4°F).
- Average low temperature in August: 60.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in August
Coulter, IA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Coulter, IA
- Average wind speed in August: 7.2mph
The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in August
Coulter, 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 (71%).
Average rainfall in August
Coulter, IA
- Average rainfall in August: 2.64"
The wettest month (with the highest rainfall) is June (4.69").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in August
Coulter, IA
- Average rainfall days in August: 15.3 days
The month with the highest number of rainy days is June (20.2 days).
The month with the least rainy days is February (4 days).
Average snowfall in August
Coulter, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Coulter, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Coulter, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Coulter, IA
- Average sunshine days in August: 12.6 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in August
Coulter, IA
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in August
Coulter, IA
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in August
Coulter, 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).
