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 transition into August marks the average high-temperature at a still moderately hot 79°F (26.1°C), differing minimally from July's 79.9°F (26.6°C). An average low-temperature of 61°F (16.1°C) is observed during August nights in Bellevue.Humidity
The average relative humidity in August is 81%.Rainfall
In Bellevue, during August, the rain falls for 13.5 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, in Bellevue, Iowa, there are 145.6 rainfall days, and 28.9" (734mm) of precipitation is accumulated.Snowfall
In Bellevue, snow does not fall in May through September.Daylight
In August, the average length of the day in Bellevue is 13h and 50min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:20 pm. On the last day of August, in Bellevue, sunrise is at 6:26 am and sunset at 7:36 pm CDT.
Sunshine
In Bellevue, the average sunshine in August is 9.8h.UV index
The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 5 transforms into these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures in Bellevue?
What is the average humidity in August in Bellevue?
How many days does it rain in August in Bellevue?
When it does not snow in Bellevue?
What is the average length of the day in August in Bellevue?
When is the sunrise / sunset in August in Bellevue?
How long on average sun shines in August in Bellevue?
How high is the UV index in August in Bellevue?
Average temperature in August
Bellevue, IA
- Average high temperature in August: 79°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in August: 61°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in August
Bellevue, IA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Bellevue, IA
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in August
Bellevue, IA
- Average humidity in August: 81%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).
Average rainfall in August
Bellevue, IA
- Average rainfall in August: 1.93"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in August
Bellevue, IA
- Average rainfall days in August: 13.5 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in August
Bellevue, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Bellevue, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.6 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
Bellevue, 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 12min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Bellevue, IA
- Average sunshine days in August: 15.5 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in August
Bellevue, IA
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Bellevue, IA
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in August
Bellevue, 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).
Bellevue, Iowa, USA
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