Halswell, in Canterbury, New Zealand, is home to roughly 13,600 people in the New Zealand time zone at 43.6°S latitude.
In 2025, Halswell recorded an average annual temperature of 54°F. The hottest temperatures reached 87°F in March; the coolest were 28°F in July. Total precipitation for the year was 38 inches, with the wettest month being April.
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