Climate Insights for Stuart Island Airport

The climate in Stuart Island Airport is cool. The average annual temperature is 10°C and approximately 2109mm of precipitation falls per year. Stuart Island Airport receives a notable amount of rainfall throughout the year, including during its driest month. Stuart Island Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are February, December, January, when temperatures can drop to 0°C. Snowfall occurs from January to December, with around 177cm accumulating over the season.

Temperatures in Stuart Island Airport vary considerably across the year, with a 25°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 25°C with a mean of 18°C. The coldest month is February, when overnight lows fall to 0°C and the daily average is 3°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between April and May, with a 5°C shift in average temperatures.

Stuart Island Airport is a very wet location, receiving approximately 2109mm of precipitation annually, which averages out to around 176mm per month. The wettest month is November, averaging 317mm of rainfall. January and December also tend to see above-average precipitation. The driest month is July, with just 50mm. That's 267mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 177cm accumulating over the season. December typically sees the most snow at around 48cm.

Stuart Island Airport is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently spring in Stuart Island Airport, which began on March 20, 2026. Stuart Island Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 25°C, while the coldest stretch bottoms out in February near 0°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Stuart Island Airport is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 71mm per month. By contrast, February can be quite cold with temperatures dropping to 0°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Stuart Island Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.