Climate Insights for Goondiwindi

The climate in Goondiwindi is warm and mild. The average annual temperature is 20°C and approximately 528mm of precipitation falls per year. March is the wettest month, receiving around 76mm 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, June, August, when temperatures can drop to 6°C.

Temperatures in Goondiwindi vary considerably across the year, with a 28°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 34°C and the mean temperature sits around 28°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 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 5°C shift in average temperatures.

Goondiwindi is a relatively dry area, receiving approximately 528mm of precipitation annually, which averages out to around 44mm per month. The wettest month is March, averaging 76mm of rainfall. January and October also tend to see above-average precipitation. The driest month is July, with just 20mm. That's 56mm less than March, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Goondiwindi is mildly breezy, with an average annual wind speed of 18km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 16km/h in winter, 20km/h in spring, 20km/h in summer, 17km/h in autumn.

It is currently autumn in Goondiwindi, which began on March 20, 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 34°C, while the coldest stretch bottoms out in July near 6°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Goondiwindi is during March, April, May, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 48mm per month. By contrast, January can be uncomfortably hot with highs reaching 34°C, while July is the coldest period with lows dropping to 6°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

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.