South Island Veður Spá
South Island weather: 5°C, skýjað. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
South Island weather in september
One of the harder months here - go in með a plan.
september runs 3°C cooler than the annual average in South Island.
Veður map for South Island
Animated model layers. Pick a layer til load it.
Animated layers by Vindury. For pin-level detail and nearby places, see the interactive map below.
Loftslag in South Island month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | 18° | 9° | 115 mm | ★★★★☆ |
| febrúar | 19° | 9° | 55 mm | ★★★★☆ |
| mars | 17° | 7° | 70 mm | ★★★★☆ |
| apríl | 13° | 5° | 156 mm | ★★★☆☆ |
| maí | 9° | 2° | 97 mm | ★★★☆☆ |
| júní | 6° | 0° | 129 mm | ★★☆☆☆ |
| júlí | 5° | -2° | 131 mm | ★★☆☆☆ |
| ágúst | 7° | -1° | 116 mm | ★★☆☆☆ |
| september | 9° | 0° | 157 mm | ★★☆☆☆ |
| október | 11° | 2° | 256 mm | ★★☆☆☆ |
| nóvember | 15° | 5° | 91 mm | ★★★☆☆ |
| desember | 17° | 8° | 127 mm | ★★★★☆ |
Loftslag type: Subarctic. Heimild: Open-Meteo archive (ERA5).
Best time til visit South Island
Go in febrúar. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: júní, júlí and október - expect the least comfortable mix of heat, cold or rain.
What til pack, what til skip
- A warm mid-layer and gloves for early mornings and evenings
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid júní, júlí and október - historically the least comfortable months here.
How South Island compares með 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 | 4918 mm |
| Wanaka | 137 km | 11°C | +3°C warmer | 1496 mm |
| West Coast | 177 km | 12°C | +5°C warmer | 3041 mm |
| Canterbury | 178 km | 12°C | +5°C warmer | 705 mm |
| Christchurch | 178 km | 12°C | +5°C warmer | 705 mm |
Sjá spá fyrir South Island eftir tímabili
South Island weather - more answers
Explore South Island
Every topic we hold for this place, and the same topic for the places around it.
Veður for related places
Frequently asked questions
Where is South Island?
South Island is an island in Nýja-Sjáland. Its coordinates are -43.9535, 170.5. It lies in Eyjaálfa.
What is the weather like in South Island núna?
It is currently 5°C (41°F) með skýjað. Raki is 76% and wind is 9 km/h.
When is the best time til visit South Island?
febrúar offer the most comfortable conditions in South Island, which has a subarctic climate. júní, júlí and október are usually the hardest months for outdoor plans.
What time zone is South Island in?
South Island observes Pacific/Auckland (UTC+13:00). The local time is 2:03 AM.
What is the nearest airport til South Island?
The closest airports are Queenstown Airport (ZQN), 183 km away.
What are the top things til 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. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag 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 október 7, 2026 at 2:03 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
