The most pleasant months of the year for the 98641 zip code are August, September and July. In the 98641 zip code, there are 0 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for the 98641 zip code with an average high temperature of 68.4°, which ranks it as one of the coolest places in Washington. January is the snowiest month in the 98641 zip code with 0.2 inches of snow, and no months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.