August weather forecastKnierim, IA
August
Weather in August
August, the last month of the summer in Knierim, is another warm month, with an average temperature varying between 79.2°F (26.2°C) and 61.2°F (16.2°C).Temperature
Knierim starts August with an average high-temperature of a still moderately hot 79.2°F (26.2°C), hinting at a minimal fluctuation from July. In the month of August, the average temperature dips to a refreshing 61.2°F (16.2°C) during the night.Humidity
In Knierim, the average relative humidity in August is 81%.Rainfall
In Knierim, in August, it is raining for 10.1 days, with typically 0.79" (20mm) of accumulated precipitation. In Knierim, Iowa, during the entire year, the rain falls for 84.6 days and collects up to 7.91" (201mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Knierim, 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 8:37 pm. On the last day of August, sunrise is at 6:42 am and sunset at 7:53 pm CDT.
Sunshine
In Knierim, the average sunshine in August is 9.5h.UV index
In Knierim, 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 unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 5 during August leads to these advisories:
Put precautions into practice - Protective measures against sun-induced damage are advised. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Knierim, IA
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in August: 61.2°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in August
Knierim, 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
Knierim, IA
- Average wind speed in August: 7.4mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in August
Knierim, 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
Knierim, IA
- Average rainfall in August: 0.79"
The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in August
Knierim, IA
- Average rainfall days in August: 10.1 days
The month with the highest number of rainy days is June (12 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in August
Knierim, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Knierim, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Knierim, 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 6min).
- Average sunshine in August: 9h and 30min
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 0min).
Average sunshine days in August
Knierim, IA
- Average sunshine days in August: 18.8 days
The month with the most sunshine days is December (24.3 days).
The month with the least sunshine days is June (15.5 days).
Average UV index in August
Knierim, 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 February (UV index 1).
Average cloud cover in August
Knierim, IA
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in August
Knierim, 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).
