Blenheim is a city of approximately 29,800 people in Marlborough, New Zealand. Located in the New Zealand time zone at 41.5°S latitude.
Recent weather here gives a sense of typical conditions: in 2025, Blenheim recorded a mean annual temperature of 55°F, ranging from 32°F lows in August to 87°F highs in January, with about 40 inches of precipitation across the year.
View historical weather for Blenheim · More cities in Marlborough