August weather forecastForest City, IA
August
Weather in August
The last month of the summer, August, is another warm month in Forest City, Iowa, with an average temperature ranging between max 77.4°F (25.2°C) and min 59.9°F (15.5°C).Temperature
The advent of August observes an average high-temperature of a still moderately hot 77.4°F (25.2°C), nearly identical to July's 79.3°F (26.3°C). An average low-temperature of 59.9°F (15.5°C) is anticipated throughout the nights during August.Humidity
The average relative humidity in August is 82%.Rainfall
In August, in Forest City, the rain falls for 14.6 days. Throughout August, 2.52" (64mm) of precipitation is accumulated. In Forest City, during the entire year, the rain falls for 136.2 days and collects up to 25.39" (645mm) of precipitation.Snowfall
In Forest City, snow does not fall in June through September.Daylight
In Forest City, the average length of the day in August is 13h and 54min.On the first day of the month, sunrise is at 6:05 am and sunset at 8:36 pm. On the last day of August, in Forest City, Iowa, sunrise is at 6:38 am and sunset at 7:50 pm CDT.
Sunshine
In Forest City, the average sunshine in August is 9.6h.UV index
The average daily maximum UV index in August in Forest City is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Be vigilant - Preventing sunburn is recommended. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Forest City, IA
- Average high temperature in August: 77.4°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 (22.1°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 (9.9°F).
Average pressure in August
Forest City, 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
Forest City, IA
- Average wind speed in August: 7.5mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in August
Forest City, IA
- Average humidity in August: 82%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Forest City, IA
- Average rainfall in August: 2.52"
The wettest month (with the highest rainfall) is June (4.21").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in August
Forest City, IA
- Average rainfall days in August: 14.6 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (3 days).
Average snowfall in August
Forest City, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Forest City, 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
Forest City, 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 0min).
- Average sunshine in August: 9h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Forest City, IA
- Average sunshine days in August: 13.8 days
The months with the most sunshine days are October and November (17.4 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in August
Forest City, IA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Forest City, 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
Forest City, IA
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, July, August and December (5mi).





