Bay of Plenty European and 14.6% identifying themselves as Māori. Other ethnic groups were under-represented in the region: 14.9% of the regional population was born overseas, compared with 22.9% nationally. English is the most widely spoken language. Te Reo Māori is the most common minority language, spoken by 9.6% of the population, compared with 4.1% nationally. The Bay of Plenty has a temperate, maritime climate, with warm, humid summers and mild winters. It is one of the warmest regions in New Zealand, particularly along the coastline, and most areas experience at least 2,200 hours of sunshine per annum. Average daily maximum temperatures range
Lake Rotoiti (Bay of Plenty) divert the nutrient rich waters of Lake Rotorua into the Kaituna River was completed in late 2008. The Bay of Plenty Regional Council expected to see improvement in lake water quality within five years and the Rotorua Te Arawa Lakes Program reported in 2013 that the intervention has significantly improved water quality. Water quality is the highest it has been in decades, on track to meet targets set by the Program to meet community expectations. Lake Rotoiti has thermal hot-spring baths on the southern shore which are accessible by boat. Lake Rotoiti (Bay of Plenty) Lake Rotoiti is a lake