South Island Clima and Average Tiempo
Clima of South Island: average temperatures, rainfall and seasons month by month.
Clima in South Island month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mes | Máx. media | Mín. media | Precip.itaciones | Valoración |
|---|---|---|---|---|
| enero | 18° | 9° | 115 mm | ★★★★☆ |
| febrero | 19° | 9° | 55 mm | ★★★★☆ |
| marzo | 17° | 7° | 70 mm | ★★★★☆ |
| abril | 13° | 5° | 157 mm | ★★★☆☆ |
| may | 9° | 2° | 97 mm | ★★★☆☆ |
| junio | 6° | 0° | 129 mm | ★★☆☆☆ |
| julio | 5° | -2° | 131 mm | ★★☆☆☆ |
| agosto | 7° | -2° | 58 mm | ★★☆☆☆ |
| septiembre | 9° | 1° | 228 mm | ★☆☆☆☆ |
| octubre | 11° | 2° | 254 mm | ★★☆☆☆ |
| noviembre | 15° | 5° | 91 mm | ★★★☆☆ |
| diciembre | 17° | 8° | 127 mm | ★★★★☆ |
Clima type: Subarctic. Fuente: Open-Meteo archive (ERA5).
Recent extremes in South Island
Altoest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.
How South Island compares con 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 |
Mejor época para visitar South Island
Go in febrero. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: julio, septiembre and octubre – expect the least comfortable mix of heat, cold or rain.
What this means for South Island
Today is slightly warmer than average for agosto. The forecast high of 9°C is 2.6°C above the 7°C typical for this month.
A 100% chance means rain is expected over most of the area. Plan indoor alternatives. Around 46 mm is forecast, which is enough a soak trails and slow traffic.
Overnight lows near 0°C mean ice is possible on bridges before dawn. Wet roads are likely; braking distances roughly double in heavy rain.
Southern Hemisphere, so peak summer falls in diciembre a febrero.
The gap between the warmest and coldest month averages 12°C.
What a pack, what a skip
- A warm mid-layer and gloves for early mornings and evenings
- A packable rain shell – 4 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid julio, septiembre and octubre – historically the least comfortable months here.
Resumen
South Island is an island in Nueva Zelanda. South Island is an island known for Southern Alps, fiords and glaciers.
Ahora mismo hay 8°C (46°F) in South Island con lluvia. La sensación térmica es de 5°C. Hoy las temperaturas van de 0°C a 9°C. La probabilidad de precipitación es del 100%. Las condiciones para hacer turismo obtienen 5.7/10 – aceptable — planifica según el tiempo.
La mejor época para visitar South Island is febrero. El clima es subarctic. julio, septiembre and octubre suelen ser los meses menos cómodos. febrero es el mes más cálido, con máximas medias cercanas a 19°C, mientras agosto es el mes más frío, con mínimas cercanas a -2°C.
El aeropuerto principal más cercano es Queenstown Airport (ZQN), about 183 km away. Entre los lugares destacados cercanos se encuentran Aoraki / Mount Cook, Lake Wakatipu, Te Wahipounamu – South West New Zealand and Milford Sound.
En términos sencillos. Today is slightly warmer than average for agosto. The forecast high of 9°C is 2.6°C above the 7°C typical for this month. fishing is the strongest bet in South Island today at 9/10. Overnight lows near 0°C mean ice is possible on bridges before dawn. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about South Island
| Tipo | Island |
|---|---|
| País | Nueva Zelanda |
| Continentee | Oceanía |
| Coordenadas | 43°57′12.6″S 170°30′0″E (-43.9535, 170.5) |
| Known for | Southern Alps, fiords and glaciers |
| Hora local | 4:23 PM (UTC+12:00) |
| Mejores meses | febrero |
| Clima | Subarctic |
Tiempo map for South Island
Animated model layers. Pick a layer a load it.
Animated layers by Vientoy. 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.
Clima for related places
Frequently asked questions
Where is South Island?
South Island is an island in Nueva Zelanda. Its coordinates are -43.9535, 170.5. It lies in Oceanía.
What is the weather like in South Island ahora mismo?
It is currently 8°C (46°F) con lluvia. Humedad is 91% and wind is 14 km/h.
When is the best time a visit South Island?
febrero offer the most comfortable conditions in South Island, which has a subarctic climate. julio, septiembre and octubre are usually the hardest months for outdoor plans.
What time zone is South Island in?
South Island observes Pacific/Auckland (UTC+12:00). The hora local is 4:23 PM.
What is the nearest airport a South Island?
The closest airports are Queenstown Airport (ZQN), 183 km away.
What are the top things a 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. |
|---|---|
| Pronóstico and observations | Open-Meteo (ECMWF and national models). |
| Calidad del aire and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Clima 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 agosto 26, 2026 at 4:23 PM hora local. Live blocks refresh every 15 minutes; climate averages monthly.
