Best Hawaii Island to Visit in December: Big Island is one of the most beautiful places in the world, and it’s not hard to see why. December is the perfect time to visit, as the island is mostly dry and the temperatures are mild. If you’re looking for adventure, there are plenty of options on the Big Island, but you’ll also find plenty of peaceful spots to relax. Here are our top picks for what to do on Hawaii Island in December: spend a day at Waimea Canyon visit Volcano Village for a day of shopping and sightseeing go whale watching on the Big Island.