Arts & crafts with pipe cleaners. It turns out pipe cleaners have lost absolutely zero of their charm since childhood.
Damper on a stick! This is bread you roast over a campfire and eat hot. The friend who introduced us to it explained that her family usually makes this on Guy Fawkes Day, but she decided to extend the tradition to New Year's. We had ours with jam, cheese and dates. I've linked to a recipe below, if you want to try it. Move over, marshmallows! You've met your rival:
Running through the streets at midnight to try to find the source of the neighborhood fireworks display and cheering with every car that passes by.
Tons and tons of rain.