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
The shift into August records an average high-temperature of a still moderately hot 80.8°F (27.1°C), subtly varied from July's 82.4°F (28°C). Fontanelle's nights in August cool down to an average low-temperature of 62.2°F (16.8°C).Heat index
During August, the heat index is estimated at a hot 86°F (30°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Consider that heat index readings are for situations in the shade and light wind. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
The average relative humidity in August is 79%.Rainfall
In Fontanelle, in August, during 14.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. In Fontanelle, during the entire year, the rain falls for 138.2 days and collects up to 28.23" (717mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Fontanelle, Iowa, the average length of the day in August is 13h and 47min.On the first day of the month, sunrise is at 6:14 am and sunset at 8:34 pm. On the last day of August, sunrise is at 6:44 am and sunset at 7:52 pm CDT.
Sunshine
The average sunshine in August is 9.8h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 6 during August, leads to the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Fontanelle have in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Fontanelle have in August?
When is the highest UV index?
What is the UV index intensity in August in Fontanelle?
Average temperature in August
Fontanelle, IA
- Average high temperature in August: 80.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in August: 62.2°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in August
Fontanelle, 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
Fontanelle, IA
- Average wind speed in August: 7.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in August
Fontanelle, IA
- Average humidity in August: 79%
The months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Fontanelle, IA
- Average rainfall in August: 2.99"
The wettest month (with the highest rainfall) is June (4.49").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in August
Fontanelle, IA
- Average rainfall days in August: 14.8 days
The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is January (4 days).
Average snowfall in August
Fontanelle, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Fontanelle, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Fontanelle, IA
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in August
Fontanelle, IA
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in August
Fontanelle, IA
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in August
Fontanelle, IA
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in August
Fontanelle, IA
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Fontanelle, Iowa, USA
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