Climate Insights for Groote Eylandt Airport

The climate in Groote Eylandt Airport is hot. The average annual temperature is 27°C and approximately 873mm of precipitation falls per year. January is the wettest month, receiving around 215mm of rainfall. Groote Eylandt Airport is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: December, November, February. The coldest months are July, August, June, when temperatures can drop to 22°C.

Groote Eylandt Airport has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is December, when average highs reach 31°C and the mean temperature sits around 29°C. July is the coolest month, with minimum temperatures around 22°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between May and June, with a 2°C shift in average temperatures.

Groote Eylandt Airport is a moderately rainy area, receiving approximately 873mm of precipitation annually, which averages out to around 73mm per month. The wettest month is January, averaging 215mm of rainfall. December and February also tend to see above-average precipitation. The driest month is July, with just 1mm. That's 214mm less than January, 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.

Groote Eylandt Airport is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

It is currently winter in Groote Eylandt Airport, which began on June 21, 2026. Groote Eylandt Airport is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in December at around 31°C, while the coldest stretch bottoms out in July near 22°C. Spring is next, beginning on September 23, 2026 — 84 days from now.

The best time to visit Groote Eylandt Airport is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 2mm per month. By contrast, December can be uncomfortably hot with temperatures reaching 31°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Groote Eylandt 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. 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.