August weather forecastCedar Valley, IA
August
Weather in August
August, the last month of the summer in Cedar Valley, is also a moderately hot month, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 80.4°F (26.9°C).Temperature
July's transformation into August witnesses an average high-temperature of a still moderately hot 80.4°F (26.9°C), noting a minor change from the preceding month. During the month of August, Cedar Valley experiences a steady low-temperature average of 62.2°F (16.8°C).Humidity
The average relative humidity in August is 80%.Rainfall
In Cedar Valley, during August, the rain falls for 13.1 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Cedar Valley, during the entire year, the rain falls for 139.1 days and collects up to 29.57" (751mm) of precipitation.Snowfall
May through September are months without snowfall in Cedar Valley, Iowa.Daylight
The average length of the day in August is 13h and 48min.On the first day of the month, sunrise is at 5:59 am and sunset at 8:22 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:39 pm CDT.
Sunshine
In August, the average sunshine is 9.9h.UV index
In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, the maximum UV index of 5 translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Cedar Valley, IA
- Average high temperature in August: 80.4°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in August: 62.2°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in August
Cedar Valley, IA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Cedar Valley, IA
- Average wind speed in August: 6.8mph
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 (6.8mph).
Average humidity in August
Cedar Valley, IA
- Average humidity in August: 80%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Cedar Valley, IA
- Average rainfall in August: 2.01"
The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in August
Cedar Valley, IA
- Average rainfall days in August: 13.1 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in August
Cedar Valley, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Cedar Valley, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Cedar Valley, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Cedar Valley, IA
- Average sunshine days in August: 14.4 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in August
Cedar Valley, IA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Cedar Valley, IA
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in August
Cedar Valley, 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).
