Weather By Day

August Grand Island Weather 
August Grand Island Weather
Record High: 112°F
Normal High: 85°F
Normal Low: 62°F
Record Low: 38°F
Avg Monthly Rain: 3.08"
Rec 1 Day Rain: 4.12"

Grand Island Weather In August

The hottest August day in Grand Island for the past 65 years was 112 degrees Fahrenheit, measured on August 4, 1934, and the regular high is 85. The record low August temperature in Grand Island for the last 65 years was 38 most recently measured on August 24, 1928, and the average low daily temperature is 62.

United States National Weather Service historical Grand Island August Weather data shows that on August 16, 1904, the high temperature did not exceed 48 degrees Fahrenheit, the lowest high measured in Grand Island in the past 65 years. NWS weather data additionally shows that on August 8, 1934, the lowest recorded temperature on that day did not drop below 81 degrees, the highest low measured in Grand Island in the last 65 years.

National Weather Service records indicate that the high temperature in Grand Island on August First averages 89 degrees and the high on the last day of the month averages 86 degrees. The low temperature in Grand Island in August on the first day of the month averages 65 degrees and the low temperature on the last day of the month averages 60 degrees.

Grand Island usually receives an average of 3.08 inches of precipitation during the month. August Grand Island Weather records indicate that on August 30, 1977 Grand Island received 4.12 inches of precipitation, the highest amount of rain recorded in a single day in August.