August weather forecastAckley, IA
August
Weather in August
August, the last month of the summer in Ackley, is another warm month, with an average temperature ranging between min 60.6°F (15.9°C) and max 78.4°F (25.8°C).Temperature
July's transformation into August witnesses an average high-temperature of a still warm 78.4°F (25.8°C), noting a minor change from the preceding month. During the month of August, Ackley experiences a steady low-temperature average of 60.6°F (15.9°C).Humidity
In August, the average relative humidity is 82%.Rainfall
In Ackley, during August, the rain falls for 14.9 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 143.1 rainfall days, and 30.24" (768mm) of precipitation is accumulated.Snowfall
In Ackley, Iowa, snow does not fall in June through September.Daylight
The average length of the day in August in Ackley is 13h and 52min.On the first day of the month, sunrise is at 6:05 am and sunset at 8:31 pm. On the last day of August, in Ackley, sunrise is at 6:36 am and sunset at 7:47 pm CDT.
Sunshine
The months with the most sunshine in Ackley are July and August, with an average of 9.7h of sunshine.UV index
The months with the highest UV index in Ackley, Iowa, are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 5 in August suggests the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Ackley, IA
- Average high temperature in August: 78.4°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 (24.1°F).
- Average low temperature in August: 60.6°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in August
Ackley, IA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Ackley, IA
- Average wind speed in August: 7.2mph
The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in August
Ackley, 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 (71%).
Average rainfall in August
Ackley, IA
- Average rainfall in August: 2.44"
The wettest month (with the highest rainfall) is June (4.76").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in August
Ackley, IA
- Average rainfall days in August: 14.9 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is February (4 days).
Average snowfall in August
Ackley, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Ackley, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Ackley, 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 42min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Ackley, IA
- Average sunshine days in August: 13.6 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in August
Ackley, IA
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in August
Ackley, IA
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in August
Ackley, IA
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
