Exposed skin can become frostbitten in as little as 30 seconds, always cover exposed skin especially when the wind is a factor. Keep moving Try to limit the time sitting. Stand up and move around to allow circulation to reach better reach all body parts. Sitting on a blanket or portable seat will limit the risk. Drink fluids Dehydration can occur even when the temperature is below freezing.
Hot chocolate is a great way to remain well hydrated.
Alcohol diminishes the body's ability to feel the cold and can cause an increased exposure time.