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 shift to August signals an average high-temperature of a still moderately hot 78.4°F (25.8°C), subtly varied from July's 79.9°F (26.6°C). Throughout August, Allison witnesses a nighttime temperature average of 60.6°F (15.9°C).Humidity
In August, the average relative humidity in Allison is 82%.Rainfall
In Allison, in August, it is raining for 14.5 days, with typically 2.44" (62mm) of accumulated precipitation. In Allison, during the entire year, the rain falls for 148.3 days and collects up to 31.02" (788mm) of precipitation.Snowfall
In Allison, Iowa, snow does not fall in June through September.Daylight
The average length of the day in August in Allison is 13h and 52min.On the first day of August in Allison, sunrise is at 6:03 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:46 pm CDT.
Sunshine
In August, the average sunshine in Allison is 9.8h.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 5 during August, leads to the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Allison in August?
What is the average humidity in August in Allison?
How much does it rain in Allison in August?
When it does not snow in Allison?
How many hours of daylight does Allison have in August?
When are sunrise and sunset in August in Allison?
How many hours of sunshine does Allison have in August?
What is the UV index reading in August in Allison?
Average temperature in August
Allison, 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 (11.8°F).
Average pressure in August
Allison, IA
- Average pressure in August: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Allison, IA
- Average wind speed in August: 7.1mph
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 (7.1mph).
Average humidity in August
Allison, 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
Allison, 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 (1.14").
Average rainfall days in August
Allison, IA
- Average rainfall days in August: 14.5 days
The month with the highest number of rainy days is June (20.1 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in August
Allison, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Allison, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Allison, IA
- Average daylight in August: 13h and 5min
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 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 48min).
Average sunshine days in August
Allison, IA
- Average sunshine days in August: 12.9 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in August
Allison, IA
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in August
Allison, IA
- Average cloud cover in August: 31
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 31).
Average visibility in August
Allison, 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).
Allison, Iowa, USA
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