Climate Insights for Goondiwindi

The climate in Goondiwindi is warm and mild. The average annual temperature is 21°C and approximately 418mm of precipitation falls per year. March is the wettest month, receiving around 74mm of rainfall. Goondiwindi 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: January, December, February. The coldest months are July, August, June, when temperatures can drop to 6°C.

Temperatures in Goondiwindi vary considerably across the year, with a 30°C difference between the coldest and warmest months. January is the hottest month, with daytime highs reaching 36°C and an average of 29°C. July is the coolest month, with minimum temperatures around 6°C and an average of 12°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 5°C shift in average temperatures.

Goondiwindi is a relatively dry area, receiving approximately 418mm of precipitation annually, which averages out to around 35mm per month. The wettest month is March, averaging 74mm of rainfall. February and October also tend to see above-average precipitation. The driest month is May, with just 13mm. That's 61mm less than March, 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.

Goondiwindi is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently winter in Goondiwindi, which began on June 21, 2026. Goondiwindi 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 January at around 36°C, while the coldest stretch bottoms out in July near 6°C. Spring is next, beginning on September 23, 2026 — 88 days from now.

The best time to visit Goondiwindi is during April, May, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 27mm per month. By contrast, January can be uncomfortably hot with highs reaching 36°C, while July is the coldest period with lows dropping to 6°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Goondiwindi 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.