Climate almanac
Forest Grove
Oregon, US · 45.52°, -123.11°
What is the climate like in Forest Grove?
The best time to visit Forest Grove is typically June – September, with trip comfort peaking in July (9.2/10). Forest Grove is warmest in August, when daily highs average 85°F (29°C), and coolest in December, when lows fall to about 37°F (3°C). The wettest month is typically December and the driest is July; the year sees roughly 51 in of precipitation.
- Best time to visitJune – September — comfort peaks in July (9.2/10)
- Warmest monthAugust — average high 85°F (29°C)
- Coolest monthDecember — average low 37°F (3°C)
- Wettest monthDecember (7.9 in)
- Driest monthJuly (0.2 in)
- Annual precipitation51 in