With a population of around 4,300, Waltham sits in Canterbury, New Zealand. The city operates in the New Zealand time zone.
In 2025, Waltham averaged an annual temperature of 54°F, with hottest temperatures reaching 86°F in March and lowest around 32°F in August. The city received approximately 34 inches of precipitation during the year.
View historical weather for Waltham · More cities in Canterbury