August weather forecastPierson, IA
August
Weather in August
The last month of the summer, August, is another warm month in Pierson, Iowa, with an average temperature varying between 61.7°F (16.5°C) and 80.6°F (27°C).Temperature
The transition into August shows a subtle variation to a still moderately hot 80.6°F (27°C) from July's 82.9°F (28.3°C) in the average high-temperature. Pierson registers a consistent average low-temperature of 61.7°F (16.5°C) during August.Heat index
In August, the heat index is computed to be 84.2°F (29°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
In Pierson, the average relative humidity in August is 77%.Rainfall
In August, the rain falls for 12.7 days. Throughout August, 1.81" (46mm) of precipitation is accumulated. In Pierson, during the entire year, the rain falls for 105.4 days and collects up to 15.83" (402mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 52min.On the first day of August, sunrise is at 6:16 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 7:58 pm CDT.
Sunshine
In Pierson, the average sunshine in August is 9.7h.UV index
In Pierson, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In August, a regular UV index of 5 translates into these guidelines:
Act with care - The need to guard against sun damage is communicated. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Pierson, IA
- Average high temperature in August: 80.6°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in August: 61.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in August
Pierson, IA
- Average pressure in August: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in August
Pierson, IA
- Average wind speed in August: 7.8mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in August
Pierson, IA
- Average humidity in August: 77%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (66%).
Average rainfall in August
Pierson, IA
- Average rainfall in August: 1.81"
The wettest month (with the highest rainfall) is June (2.48").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in August
Pierson, IA
- Average rainfall days in August: 12.7 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in August
Pierson, IA
- Average snowfall in August: 0"
The month with the highest snowfall is March (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Pierson, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Pierson, 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 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in August
Pierson, IA
- Average sunshine days in August: 16.5 days
The month with the most sunshine days is December (23.4 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in August
Pierson, 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 January (UV index 1).
Average cloud cover in August
Pierson, IA
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in August
Pierson, IA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
