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
Sioux City notes an average high-temperature of a still moderately hot 81.9°F (27.7°C) in August, displaying minor variation from July. Sioux City in August anticipates an average nighttime temperature of 61.5°F (16.4°C).Heat index
In August, the heat index is estimated at a tropical 87.8°F (31°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
The average relative humidity in August in Sioux City is 75%.Rainfall
In Sioux City, in August, it is raining for 11.7 days, with typically 1.5" (38mm) of accumulated precipitation. In Sioux City, Iowa, during the entire year, the rain falls for 102.3 days and collects up to 12.91" (328mm) of precipitation.Snowfall
In Sioux City, snow does not fall in May through September.Daylight
In Sioux City, the average length of the day in August is 13h and 51min.On the first day of August in Sioux City, sunrise is at 6:18 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 8:00 pm CDT.
Sunshine
In Sioux City, the average sunshine in August is 9.9h.UV index
In Sioux City, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In August, a daily maximum UV index of 5 leads to the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What is the average August temperature in Sioux City?
What is the average humidity in August in Sioux City?
How much does it rain in Sioux City in August?
When it does not snow in Sioux City?
How many hours of daylight does Sioux City have in August?
When is the sunrise / sunset in August in Sioux City?
How many hours of sunshine does Sioux City have in August?
What is the UV index reading in August in Sioux City?
Average temperature in August
Sioux City, IA
- Average high temperature in August: 81.9°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in August: 61.5°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in August
Sioux City, IA
- Average pressure in August: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in August
Sioux City, IA
- Average wind speed in August: 7.8mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in August
Sioux City, IA
- Average humidity in August: 75%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (65%).
Average rainfall in August
Sioux City, IA
- Average rainfall in August: 1.5"
The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are January and February (0.39").
Average rainfall days in August
Sioux City, IA
- Average rainfall days in August: 11.7 days
The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is January (2.6 days).
Average snowfall in August
Sioux City, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.77").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Sioux City, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Sioux City, IA
- Average daylight in August: 13h and 5min
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 6min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in August
Sioux City, IA
- Average sunshine days in August: 16.1 days
The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in August
Sioux City, 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 January (UV index 1).
Average cloud cover in August
Sioux City, IA
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in August
Sioux City, IA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Sioux City, Iowa, USA
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