August weather forecastShell Rock, IA
August
Weather in August
August, the last month of the summer in Shell Rock, is another warm month, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 78.3°F (25.7°C).Temperature
Entering August, Shell Rock's average high-temperature reads a still moderately hot 78.3°F (25.7°C), indicating a close resemblance to the previous month's climate. August brings with it a nighttime average temperature of 60.4°F (15.8°C).Humidity
The average relative humidity in August in Shell Rock is 82%.Rainfall
In Shell Rock, in August, it is raining for 14.5 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, there are 138.7 rainfall days, and 28.78" (731mm) of precipitation is accumulated.Snowfall
In Shell Rock, snow does not fall in June through September.Daylight
The average length of the day in August in Shell Rock is 13h and 52min.On the first day of August in Shell Rock, sunrise is at 6:02 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:45 pm CDT.
Sunshine
In August, the average sunshine is 9.8h.UV index
The average daily maximum UV index in August in Shell Rock is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 5 during August translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. It's recommended to limit sun exposure when its radiation is at its peak during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Shell Rock, IA
- Average high temperature in August: 78.3°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in August: 60.4°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in August
Shell Rock, IA
- Average pressure in August: 29.96"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
Shell Rock, IA
- Average wind speed in August: 7mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in August
Shell Rock, IA
- Average humidity in August: 82%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Shell Rock, IA
- Average rainfall in August: 2.36"
The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in August
Shell Rock, IA
- Average rainfall days in August: 14.5 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in August
Shell Rock, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Shell Rock, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Shell Rock, 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 6min).
- Average sunshine in August: 9h and 48min
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 48min).
Average sunshine days in August
Shell Rock, IA
- Average sunshine days in August: 13.1 days
The months with the most sunshine days are October and November (17.8 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in August
Shell Rock, IA
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Shell Rock, IA
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in August
Shell Rock, IA
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
