The most pleasant months of the year for the 97329 zip code are July, August and September. In the 97329 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for the 97329 zip code with an average high temperature of 80.9°, which ranks it as cooler than most places in Oregon. January is the snowiest month in the 97329 zip code with 2.0 inches of snow, and 3 months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.