August weather forecastJackson Junction, IA
August
Weather in August
The last month of the summer, August, is another warm month in Jackson Junction, Iowa, with an average temperature varying between 59.5°F (15.3°C) and 77.5°F (25.3°C).Temperature
An average high-temperature of a still moderately hot 77.5°F (25.3°C) marks August, exhibiting a close resemblance to the conditions in July. Nighttime temperature lowers to an average of 59.5°F (15.3°C) in August.Humidity
In August, the average relative humidity is 82%.Rainfall
In Jackson Junction, during August, the rain falls for 14.1 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, there are 146.5 rainfall days, and 31.3" (795mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Jackson Junction.Daylight
The average length of the day in August in Jackson Junction is 13h and 53min.On the first day of the month, sunrise is at 5:59 am and sunset at 8:29 pm. On the last day of August, sunrise is at 6:32 am and sunset at 7:44 pm CDT.
Sunshine
With an average of 9.8h of sunshine, August has the most sunshine of the year.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In August, the UV index of 5 transforms into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Jackson Junction, IA
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in August
Jackson Junction, 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
Jackson Junction, IA
- Average wind speed in August: 7.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in August
Jackson Junction, IA
- Average humidity in August: 82%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall in August
Jackson Junction, IA
- Average rainfall in August: 2.28"
The wettest month (with the highest rainfall) is June (5.08").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in August
Jackson Junction, IA
- Average rainfall days in August: 14.1 days
The months with the highest number of rainy days are May and June (19.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in August
Jackson Junction, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Jackson Junction, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Jackson Junction, 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 August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Jackson Junction, IA
- Average sunshine days in August: 13.7 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in August
Jackson Junction, IA
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Jackson Junction, IA
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in August
Jackson Junction, IA
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
