August weather forecastViola, IA
August
Weather in August
August, the last month of the summer in Viola, is another warm month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 61.5°F (16.4°C).Temperature
The transition from July to August sees an average high-temperature of a still moderately hot 79.3°F (26.3°C), indicating a minor variance from the prior month. Viola records an average nighttime low of 61.5°F (16.4°C) in August.Humidity
The average relative humidity in August is 81%.Rainfall
In Viola, in August, it is raining for 12.6 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, in Viola, there are 137.5 rainfall days, and 27.68" (703mm) of precipitation is accumulated.Snowfall
In Viola, snow does not fall in May through September.Daylight
In August, the average length of the day in Viola is 13h and 50min.On the first day of the month, sunrise is at 5:59 am and sunset at 8:24 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:40 pm CDT.
Sunshine
The months with the most sunshine in Viola are July and August, with an average of 9.8h of sunshine.UV index
In Viola, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In August, a daily UV index of 5 turns into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. To protect against the Sun's most potent rays, avoid direct exposure around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Viola, IA
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in August: 61.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in August
Viola, IA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Viola, IA
- Average wind speed in August: 7mph
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 (7mph).
Average humidity in August
Viola, IA
- Average humidity in August: 81%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Viola, IA
- Average rainfall in August: 1.81"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in August
Viola, IA
- Average rainfall days in August: 12.6 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in August
Viola, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.16").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Viola, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Viola, IA
- Average daylight in August: 13h and 48min
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 12min).
- Average sunshine in August: 9h and 48min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Viola, IA
- Average sunshine days in August: 16.3 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in August
Viola, IA
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Viola, IA
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in August
Viola, IA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
