average rainfall in tillamook oregon
Between April and October the precipitation in Tillamook is comparatively lighter but still remains much wetter than the population centers in the Willamette Valley. Tillamook's annual precipitation averages about 88 inches (2,200 mm) compared to only 36 inches (910 mm) in Portland. Summers in Tillamook are brief and mild with average daytime temperatures in the upper 60s-although daytime temperatures can occasionally soar into the 80s and 90s for days at a time.