Shawmut Trail   Pennsylvania is a good place for outdoors people. Throughout the warm months here at Shawmut Trail, high temperatures commonly get into the 80's while overnight lows are commonly in the 70's. Throughout the wintertime highs are mostly in the 80's; nighttime lows in the 70's for Shawmut Trail. All the water falling down from the sky makes Shawmut Trail a wet location. Of all the months in a year September is the one with the most rain; the driest month is May. Be the first to review Shawmut Trail SUBMIT INPUT