August weather forecastBartlett, IA
August
Weather in August
The last month of the summer, August, is another warm month in Bartlett, Iowa, with an average temperature fluctuating between 63.1°F (17.3°C) and 82.8°F (28.2°C).Temperature
Bartlett experiences a minor change to a still moderately hot 82.8°F (28.2°C) in average high-temperature during August, closely reflecting July. Bartlett's nighttime temperature in August drops to an average of 63.1°F (17.3°C).Heat index
In August, the average heat index is estimated at a hot 89.6°F (32°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The average relative humidity in August is 77%.Rainfall
In Bartlett, during August, the rain falls for 14.1 days and regularly aggregates up to 2.95" (75mm) of precipitation. Throughout the year, there are 122.8 rainfall days, and 26.69" (678mm) of precipitation is accumulated.Snowfall
In Bartlett, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 45min.On the first day of August, sunrise is at 6:20 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 7:56 pm CDT.
Sunshine
In August, the average sunshine is 9.6h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 6 in August transforms into the following instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Bartlett, IA
- Average high temperature in August: 82.8°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in August: 63.1°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in August
Bartlett, 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
Bartlett, IA
- Average wind speed in August: 7.2mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in August
Bartlett, IA
- Average humidity in August: 77%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (66%).
Average rainfall in August
Bartlett, IA
- Average rainfall in August: 2.95"
The wettest month (with the highest rainfall) is June (4.33").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in August
Bartlett, IA
- Average rainfall days in August: 14.1 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (3.2 days).
Average snowfall in August
Bartlett, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Bartlett, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Bartlett, IA
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- 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 36min).
Average sunshine days in August
Bartlett, IA
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in August
Bartlett, IA
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in August
Bartlett, IA
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in August
Bartlett, 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).
