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
Shellsburg marks the start of August with an average high-temperature of a still moderately hot 79.2°F (26.2°C), hinting at a slight fluctuation from July's 80.1°F (26.7°C). During the month of August, Shellsburg's nighttime temperature lowers to an average of 61.3°F (16.3°C).Humidity
In Shellsburg, the average relative humidity in August is 81%.Rainfall
In August, the rain falls for 11.9 days. Throughout August, 1.69" (43mm) of precipitation is accumulated. Throughout the year, in Shellsburg, there are 138.6 rainfall days, and 27.8" (706mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August is 13h and 50min.On the first day of August, sunrise is at 6:01 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:42 pm CDT.
Sunshine
The average sunshine in August is 9.9h.UV index
In Shellsburg, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 5 in August suggests the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
What is the average length of the day in August?
When is the sunrise / sunset in August?
How long on average sun shines in August?
What is the UV index intensity in August?
Average temperature in August
Shellsburg, IA
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in August: 61.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in August
Shellsburg, IA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Shellsburg, IA
- Average wind speed in August: 7mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in August
Shellsburg, IA
- Average humidity in August: 81%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Shellsburg, IA
- Average rainfall in August: 1.69"
The wettest month (with the highest rainfall) is May (4.37").
The driest months (with the least rainfall) are January and February (1.18").
Average rainfall days in August
Shellsburg, IA
- Average rainfall days in August: 11.9 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in August
Shellsburg, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Shellsburg, 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
Shellsburg, 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: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Shellsburg, IA
- Average sunshine days in August: 16.6 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in August
Shellsburg, IA
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Shellsburg, IA
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in August
Shellsburg, 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).
Shellsburg, Iowa, USA
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