The most pleasant months of the year for the 01066 zip code are June, August and July. In the 01066 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for the 01066 zip code with an average high temperature of 82.1°, which ranks it as about average compared to other places in Massachusetts. January is the snowiest month in the 01066 zip code with 12.5 inches of snow, and 6 months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.