August weather forecastJolley, IA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Jolley, Iowa, with an average temperature fluctuating between 61.2°F (16.2°C) and 79.2°F (26.2°C).Temperature
In August, Jolley experiences a minor shift in meteorological conditions with average high-temperatures marked at a still moderately hot 79.2°F (26.2°C), closely mirroring the climate in July. In August, the nighttime temperature lowers to an average of 61.2°F (16.2°C).Humidity
In Jolley, the average relative humidity in August is 81%.Rainfall
In Jolley, Iowa, in August, during 14.3 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Jolley, during the entire year, the rain falls for 128 days and collects up to 26.18" (665mm) of precipitation.Snowfall
In Jolley, Iowa, snow does not fall in June through September.Daylight
In Jolley, the average length of the day in August is 13h and 51min.On the first day of the month, sunrise is at 6:11 am and sunset at 8:38 pm. On the last day of August, in Jolley, sunrise is at 6:43 am and sunset at 7:54 pm CDT.
Sunshine
The average sunshine in August in Jolley is 9.6h.UV index
In August, the average daily maximum UV index in Jolley, Iowa, is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 5 in August translates into the following instructions:
Make use of precautions - It is urged to ward off sun damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Jolley, IA
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in August: 61.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in August
Jolley, IA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Jolley, IA
- Average wind speed in August: 7.3mph
The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in August
Jolley, IA
- Average humidity in August: 81%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in August
Jolley, IA
- Average rainfall in August: 2.68"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in August
Jolley, IA
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (3 days).
Average snowfall in August
Jolley, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Jolley, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Jolley, IA
- Average daylight in August: 13h and 54min
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 6min).
- Average sunshine in August: 9h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Jolley, IA
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in August
Jolley, IA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in August
Jolley, IA
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in August
Jolley, IA
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
