Each hemisphere cools down during the part of the year it's tilted away from the sun. The winter solstice (December in the north, June in the south) arrives at the time when that tilt is at its most extreme angle.
Llama a tu mejor amigo e invítalo a ir contigo al parque de diversiones hoy. Cuéntale sobre el pronóstico del tiempo y cómo será un gran día para ir al parque.