August weather forecastRalston, IA
August
Weather in August
The last month of the summer, August, is another warm month in Ralston, Iowa, with temperature in the range of an average high of 79.5°F (26.4°C) and an average low of 61.5°F (16.4°C).Temperature
As August unfolds, the average high-temperature reaches a still moderately hot 79.5°F (26.4°C), hinting at a slight fluctuation from the previous month. The month of August records an average low-temperature of 61.5°F (16.4°C).Humidity
The average relative humidity in August is 80%.Rainfall
In Ralston, Iowa, during August, the rain falls for 12 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Ralston, during the entire year, the rain falls for 130.1 days and collects up to 27.28" (693mm) of precipitation.Snowfall
In Ralston, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 49min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:36 pm. On the last day of August, sunrise is at 6:43 am and sunset at 7:53 pm CDT.
Sunshine
The average sunshine in August is 9.7h.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 5 in August translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Ralston, IA
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in August: 61.5°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in August
Ralston, IA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Ralston, IA
- Average wind speed in August: 7.4mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in August
Ralston, IA
- Average humidity in August: 80%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (69%).
Average rainfall in August
Ralston, IA
- Average rainfall in August: 2.32"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in August
Ralston, IA
- Average rainfall days in August: 12 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in August
Ralston, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Ralston, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Ralston, IA
- Average daylight in August: 13h and 48min
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 12min).
- Average sunshine in August: 9h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in August
Ralston, IA
- Average sunshine days in August: 15.9 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (10 days).
Average UV index in August
Ralston, IA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in August
Ralston, IA
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in August
Ralston, IA
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January and August (5mi).
