South Island Klima and Average Wetter
Klima of South Island: average temperatures, rainfall and seasons month by month.
Klima in South Island month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mo.at | Durchschnittliches Maximum | Durchschnittliches Minimum | Niederschlag | Bewertung |
|---|---|---|---|---|
| Januar | 18° | 9° | 115 mm | ★★★★☆ |
| Februar | 19° | 9° | 55 mm | ★★★★☆ |
| März | 17° | 7° | 70 mm | ★★★★☆ |
| April | 13° | 5° | 157 mm | ★★★☆☆ |
| Mai | 9° | 2° | 97 mm | ★★★☆☆ |
| Juni | 6° | 0° | 129 mm | ★★☆☆☆ |
| Juli | 5° | -2° | 131 mm | ★★☆☆☆ |
| August | 7° | -2° | 58 mm | ★★☆☆☆ |
| September | 9° | 1° | 228 mm | ★☆☆☆☆ |
| Oktober | 11° | 2° | 254 mm | ★★☆☆☆ |
| November | 15° | 5° | 91 mm | ★★★☆☆ |
| Dezember | 17° | 8° | 127 mm | ★★★★☆ |
Klima type: Subarctic. Quelle: Open-Meteo archive (ERA5).
Recent extremes in South Island
Hochest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.
How South Island compares mit nearby places
Annual averages, and the difference against South Island.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Aoraki / Mount Cook | 49 km | -11°C | 19°C cooler | 4894 mm |
| Wanaka | 137 km | 11°C | +3°C warmer | 1535 mm |
| West Coast | 177 km | 12°C | +5°C warmer | 2967 mm |
| Canterbury | 178 km | 12°C | +5°C warmer | 686 mm |
| Christchurch | 178 km | 12°C | +5°C warmer | 686 mm |
Beste Reisezeit South Island
Go in Februar. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: Juli, September and Oktober – expect the least comfortable mix of heat, cold or rain.
What this means for South Island
Today is slightly warmer than average for August. The forecast high of 9°C is 2.8°C above the 7°C typical for this month.
A 20% chance means most of the area stays dry; a passing shower is possible but short.
Sichtweite is down und 0,9 km – use low beams and leave extra following distance. Böen und 50 km/h will push high-sided vehicles on exposed roads and bridges. Overnight lows near 0°C mean ice is possible on bridges before dawn.
Southern Hemisphere, so peak summer falls in Dezember und Februar.
The gap between the warmest and coldest month averages 12°C.
What und pack, what und skip
- A warm mid-layer and gloves for early mornings and evenings
- Insulated outer layer, hat and boots mit grip for ice
- A packable rain shell – 5 of the next 7 days carry a real chance of rain
- Avoid exposed ridgelines, small boats and rooftop viewpoints während gusts stay above 50 km/h.
- If your dates are flexible, avoid Juli, September and Oktober – historically the least comfortable months here.
Zusammenfassung
South Island is an island in Neuseeland. South Island is an island known for Southern Alps, fiords and glaciers.
Aktuell sind es 9°C (47°F) in South Island mit teilweise bewölkt. Die gefühlte Temperatur beträgt 3°C. Heute liegen die Temperaturen zwischen 0°C und 9°C. Die Niederschlagswahrscheinlichkeit beträgt 20%. Die Bedingungen für Besichtigungen erreichen 5.3/10 – grenzwertig.
Die beste Reisezeit für South Island is Februar. Das Klima ist subarctic. Juli, September and Oktober sind meist die ungemütlichsten Mo.ate. Februar ist der wärmste Mo.at mit durchschnittlichen Höchstwerten um 19°C, während August ist der kälteste Mo.at mit Tiefstwerten um -2°C.
Der nächstgelegene große Flughafen ist Queenstown Airport (ZQN), about 183 km away. Zu den Sehenswürdigkeiten in der Nähe gehören Aoraki / Mount Cook, Lake Wakatipu, Te Wahipounamu – South West New Zealand and Milford Sound.
Kurz gesagt. Today is slightly warmer than average for August. The forecast high of 9°C is 2.8°C above the 7°C typical for this month. The best window und be outside is roughly 4 PM und 7 PM, when temperature, rain chance and wind line up best. running is the strongest bet in South Island today at 8.7/10. Sichtweite is down und 0,9 km – use low beams and leave extra following distance. Böen und 50 km/h will push high-sided vehicles on exposed roads and bridges. Overnight lows near 0°C mean ice is possible on bridges before dawn.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about South Island
| Typ | Island |
|---|---|
| Land | Neuseeland |
| Kontinent | Ozeanien |
| Koordinaten | 43°57′12.6″S 170°30′0″E (-43.9535, 170.5) |
| Known for | Southern Alps, fiords and glaciers |
| Ortszeit | 5:51 PM (UTC+12:00) |
| Beste Mo.ate | Februar |
| Klima | Subarctic |
Wetter map for South Island
Animated model layers. Pick a layer und load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore South Island
Every topic we hold for this place, and the same topic for the places around it.
Klima for related places
Frequently asked questions
Where is South Island?
South Island is an island in Neuseeland. Its coordinates are -43.9535, 170.5. It lies in Ozeanien.
What is the weather like in South Island jetzt?
It is currently 9°C (47°F) mit teilweise bewölkt. Luftfeuchtigkeit is 59% and wind is 24 km/h.
When is the best time und visit South Island?
Februar offer the most comfortable conditions in South Island, which has a subarctic climate. Juli, September and Oktober are usually the hardest months for outdoor plans.
What time zone is South Island in?
South Island observes Pacific/Auckland (UTC+12:00). The Ortszeit is 5:51 PM.
What is the nearest airport und South Island?
The closest airports are Queenstown Airport (ZQN), 183 km away.
What are the top things und do in South Island?
Popular options include Aoraki / Mount Cook, Lake Wakatipu, Te Wahipounamu – South West New Zealand, Milford Sound and Fiordland National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) – coordinates, hierarchy and facts. |
|---|---|
| Vorhersage and observations | Open-Meteo (ECMWF and national models). |
| Luftqualität and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing – the block is simply not shown. |
Last updated August 24, 2026 at 5:51 PM Ortszeit. Live blocks refresh every 15 minutes; climate averages monthly.





