Winter days are normally mild but cool off considerably at night. You may find yourself in shirtsleeves on a February day, but bundling up after dark. Summer is the most popular time for visitors w ith d aytime temperatures usually in the upper 90s and low 80s. Because of Arizona's dry climate, hot doesn't mean steamy and cold doesn't mean bone-chilling. In fact, one of the main things visitors need to remember is to drink plenty of water to avoid dehydration.
Winter days are usually sunny, with temperatures dropping after the sun sets.
If you're traveling to Sedona from October through April, bring warm clothes for those cooler days. If you'll be outdoors, pack long underwear, an insulating mid-layer of fleece or wool, and a windproof outer garment. Spring and fall usually have the most delightful weather, but it can get cool on occasion. If you're planning outdoor recreation, have a set of alternatives in mind just in case. Your day of hiking, bike riding, or prowling Sedona's shops might turn into a day of watching movies in your hotel room.