The South Island is cooler than the North Island by a few degrees but on the whole NZ is known for its clean air.
Average temps in winter (July) 1C – 12C
Average temps in summer (January) 12C – 21C
Annual Mean Maximum 32C
Annual Mean Minimum –4C
In February each year Christchurch olds the Garden City Festival of Flowers. It is one of the city’s most popular festivals with the whole city being ablaze with colour.