La Grande

What is the climate like in La Grande?

The best time to visit La Grande is typically June – September, with trip comfort peaking in July (9.0/10). La Grande is warmest in July, when daily highs average 83°F (28°C), and coolest in January, when lows fall to about 22°F (-5°C). The wettest month is typically December and the driest is July; the year sees roughly 32 in (815 mm) of precipitation.

• Best time to visitJune – September — comfort peaks in July (9.0/10)
• Warmest monthJuly — average high 83°F (28°C)
• Coolest monthJanuary — average low 22°F (-5°C)
• Wettest monthDecember (4.3 in (108 mm))
• Driest monthJuly (0.4 in (10 mm))
• Annual precipitation32 in (815 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromLa Grande Muni AP, 8 km away (1949-2026)