Temperature for August
In Grand Island, NE during August the average high temperature is 87.8°F. The hottest day on record was August 17, 1983 when the temperature hit 109.9°F.
Precipitation for August
In August the average monthly rainfall in Grand Island, NE is 3.59 inches with rain usually falling on between 9 and 10 days. 2004 was the driest August with only 0.81 inches of rain falling, and 1993 was the wettest August with 19.33 inches of rain. The wettest single day in August was 31 August 1977 when 4.13 inches of rain fell.
In August it usually snows on between 0 and 1 days. There are thunderstorms on between 5 and 6 days in August.