Corvallis

What is the climate like in Corvallis?

The best time to visit Corvallis is typically June – September, with trip comfort peaking in July (9.3/10). Corvallis is warmest in August, when daily highs average 86°F (30°C), and coolest in February, when lows fall to about 36°F (2°C). The wettest month is typically December and the driest is July; the year sees roughly 49 in (1239 mm) of precipitation.

• Best time to visitJune – September — comfort peaks in July (9.3/10)
• Warmest monthAugust — average high 86°F (30°C)
• Coolest monthFebruary — average low 36°F (2°C)
• Wettest monthDecember (7.7 in (197 mm))
• Driest monthJuly (0.2 in (4 mm))
• Annual precipitation49 in (1239 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromCorvallis State Univ, 10 km away (1893-2025)