0 C = frozen, be careful 10 C = you need a jacket 15-25 C = great outdoors temperatures 20 C = good house temperature in the winter 25 C = good house temper

0 C = frozen, be careful 10 C = you need a jacket 15-25 C = great outdoors temperatures 20 C = good house temperature in the winter 25 C = good house temperature in the summer 30 C = too hot to go out doing physical activity, good for a picnic or a day at the beach 35 C = too hot to go out, period 40 C = hot bath 100 C = boiling water