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
Stanley marks the arrival of August with an average high-temperature of a still warm 77.7°F (25.4°C), hardly different from July's 79.3°F (26.3°C). Stanley records a mean low-temperature of 60.4°F (15.8°C) in August.Humidity
In Stanley, the average relative humidity in August is 82%.Rainfall
In Stanley, during August, the rain falls for 13.8 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Stanley, during the entire year, the rain falls for 135.7 days and collects up to 29.65" (753mm) of precipitation.Snowfall
In Stanley, snow does not fall in June through September.Daylight
In Stanley, the average length of the day in August is 13h and 52min.On the first day of August in Stanley, sunrise is at 5:59 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:42 pm CDT.
Sunshine
The months with the most sunshine in Stanley, Iowa, are July and August, with an average of 9.8h of sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 5 in August transforms into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Stanley in August?
What is the average humidity in August in Stanley?
How much does it rain in Stanley in August?
When it does not snow in Stanley?
How many hours of daylight does Stanley have in August?
What time are sunrise and sunset in August in Stanley?
What are the months with the most sunshine in Stanley?
How many hours of sunshine does Stanley have in August?
What is the UV index intensity in August in Stanley?
Average temperature in August
Stanley, IA
- Average high temperature in August: 77.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in August: 60.4°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in August
Stanley, 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
Stanley, IA
- Average wind speed in August: 7.1mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in August
Stanley, 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 (73%).
Average rainfall in August
Stanley, IA
- Average rainfall in August: 2.28"
The wettest month (with the highest rainfall) is June (5").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in August
Stanley, IA
- Average rainfall days in August: 13.8 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in August
Stanley, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Stanley, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Stanley, IA
- Average daylight in August: 13h and 5min
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 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Stanley, IA
- Average sunshine days in August: 14 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in August
Stanley, 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
Stanley, IA
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in August
Stanley, 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).
Stanley, Iowa, USA
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