The most pleasant months of the year for the 18225 zip code are June, August and July. In the 18225 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for the 18225 zip code with an average high temperature of 80.6°, which ranks it as cooler than most places in Pennsylvania. January is the snowiest month in the 18225 zip code with 12.7 inches of snow, and 6 months of the year have significant snowfall. But there some days when the humidity becomes unpleasant, especially in July and August.