Climate almanac
Cottage Grove
Oregon, United States · 43.80°, -123.06°
What is the climate like in Cottage Grove?
The best time to visit Cottage Grove is typically June – August, with trip comfort peaking in July (9.2/10). Cottage Grove is warmest in August, when daily highs average 86°F (30°C), and coolest in February, when lows fall to about 35°F (2°C). The wettest month is typically December and the driest is July; the year sees roughly 55 in (1404 mm) of precipitation.
- Best time to visitJune – August — comfort peaks in July (9.2/10)
- Warmest monthAugust — average high 86°F (30°C)
- Coolest monthFebruary — average low 35°F (2°C)
- Wettest monthDecember (8.0 in (204 mm))
- Driest monthJuly (0.2 in (6 mm))
- Annual precipitation55 in (1404 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromCottage Grove 2e, 3 km away (1916-2026)