Spring (March–May): Average 8.1–13.7°C, cool and rainy with occasional warm sunshine. Common activities: Hiking, flower viewing (e.g., some hardy flowers). Recommended clothing: Waterproof jacket, warm layers, comfortable hiking boots.
Summer (June–August): Average 5.9–6.3°C, cold and damp with high rainfall, especially in July. Common activities: Indoor activities, museum visits, onsen experiences. Recommended clothing: Warm waterproof jacket, sweaters, long pants, waterproof shoes.
Autumn (September–November): Average 9.0–13.0°C, gradually warming with less rainfall. Common activities: Hiking, exploring nature. Recommended clothing: Light jacket, long pants, comfortable shoes.
Winter (December–February): Average 15.2–16.4°C, mild with moderate rainfall. Common activities: Outdoor activities, beach walks (weather permitting). Recommended clothing: Light jacket, long pants, comfortable shoes.
south island climatological average
Annual average temperature: approx. 10.9°C / Annual rainfall: approx. 801 mm / Summer humidity: 60%–70% / Rainiest month: July
south island monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
16.4°C
42
February
15.6°C
71.7
March
13.7°C
66.1
April
11.2°C
49
May
8.1°C
45.1
June
6.1°C
54.1
July
5.9°C
142.3
August
6.3°C
60.8
September
9°C
55
October
10.6°C
79.1
November
13°C
73.5
December
15.2°C
63.1
south island weather for the next seven days
11/1
Saturday
Sunny
14.5°C/2.7°C
11/2
Sunday
Partly Cloudy
14.4°C/4.3°C
11/3
Monday
Sunny
16.2°C/5.4°C
11/4
Tuesday
Partly Cloudy
16.8°C/7.3°C
11/5
Wednesday
Sunny
19.2°C/7.7°C
11/6
Thursday
Sunny
18.2°C/6.7°C
11/7
Friday
Patchy rain nearby
12.9°C/6.5°C
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