Grand Island

What is the climate like in Grand Island?

The best time to visit Grand Island is typically June – November, with trip comfort peaking in September (7.9/10). Grand Island is warmest in July, when daily highs average 88°F (31°C), and coolest in January, when lows fall to about 18°F (-8°C). The wettest month is typically May and the driest is February; the year sees roughly 29 in (743 mm) of precipitation.

• Best time to visitJune – November — comfort peaks in September (7.9/10)
• Warmest monthJuly — average high 88°F (31°C)
• Coolest monthJanuary — average low 18°F (-8°C)
• Wettest monthMay (5.1 in (130 mm))
• Driest monthFebruary (0.8 in (20 mm))
• Annual precipitation29 in (743 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromGrand Is Cntrl Ne Rgnl AP, 5 km away (1938-2026)