Climate Insights for Gilgandra

The climate in Gilgandra is warm and mild. The average annual temperature is 18°C and approximately 560mm of precipitation falls per year. Gilgandra receives a notable amount of rainfall throughout the year, including during its driest month. Gilgandra 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, February, December. The coldest months are July, August, June, when temperatures can drop to 5°C.

Temperatures in Gilgandra vary considerably across the year, with a 29°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 27°C. July is the coolest month, with minimum temperatures around 5°C and an average of 10°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.

Gilgandra is a relatively dry area, receiving approximately 560mm of precipitation annually, which averages out to around 47mm per month. The wettest month is November, averaging 73mm of rainfall. March and October also tend to see above-average precipitation. The driest month is May, with just 33mm. That's 40mm less than November, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Gilgandra is mildly breezy, with an average annual wind speed of 19km/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 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in June, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 18km/h in winter, 21km/h in spring, 21km/h in summer, 18km/h in autumn.

It is currently autumn in Gilgandra, which began on March 20, 2026. Gilgandra 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 5°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Gilgandra is during March, April, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 60mm per month. By contrast, January can be uncomfortably hot with highs reaching 34°C, while July is the coldest period with lows dropping to 5°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 Gilgandra 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.