The Dalles

What is the climate like in The Dalles?

The best time to visit The Dalles is typically June – September, with trip comfort peaking in July (9.3/10). The Dalles is warmest in August, when daily highs average 87°F (31°C), and coolest in January, when lows fall to about 29°F (-1°C). The wettest month is typically December and the driest is July; the year sees roughly 31 in (799 mm) of precipitation.

• Best time to visitJune – September — comfort peaks in July (9.3/10)
• Warmest monthAugust — average high 87°F (31°C)
• Coolest monthJanuary — average low 29°F (-1°C)
• Wettest monthDecember (5.6 in (142 mm))
• Driest monthJuly (0.2 in (4 mm))
• Annual precipitation31 in (799 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromThe Dalles, 2 km away (1893-2025)