Because much of the Marlborough region is sheltered by high country to the west, south and in some areas to the east, it is New Zealand's sunniest region.

Warm, dry and settled weather predominates during summer. Winter days often start with a frost, but are usually mild overall. Typical summer daytime maximum air temperatures range from 20°C to 26°C, but occasionally rise above 30°C. Late winter and early spring is normally the most unsettled time of the year.

Typical winter daytime maximum air temperatures range from 10°C to 15°C. Annual hours of sunshine average at least 2,400 hours. High temperatures are frequent in Blenheim and may be accompanied by föhn winds from the northwest, characterised by the distinctive "wave" cloud formations.


Temperature
Mean daily maximum in summer (January): 23.8°C
Mean daily minimum in summer: 12.5°C
Mean daily maximum in winter (July): 12.8°C
Mean daily minimum in winter: 2.1°C

Sunshine Hours
More than 2,400 per year

Rainfall
Mean annual rainfall: 1,249mm
Wet days (more than 1mm): 76

Statistics from National Institute of Water and Atmospheric Research
It's a Fact...
KAIKOURA LOOKS ON
When Captain James Cook encountered the Kaikoura peninsula he named it "Lookers On" because of his experience with the local Maori. During his circum-navigation of New Zealand in 1770, Cook passed Cape Campbell, sailing south to investigate what lay beyond. On 15 February, his ship was approached by four canoes, in which were 57 Maori. However, they would not talk or trade and returned to land from where they followed the ship's progress south.
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