Climate Insights for Canberra International Airport

The climate in Canberra International Airport is temperate. The average annual temperature is 12°C and approximately 734mm of precipitation falls per year. Canberra International Airport receives a notable amount of rainfall throughout the year, including during its driest month. Canberra International 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: January, February, December. The coldest months are August, July, June, when temperatures can drop to 1°C. Light snow can occur between July and September.

Temperatures in Canberra International Airport vary considerably across the year, with a 26°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 27°C and the mean temperature sits around 20°C. August is the coolest month, with minimum temperatures around 1°C and an average of 5°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 5°C shift in average temperatures.

Canberra International Airport is a relatively dry area, receiving approximately 734mm of precipitation annually, which averages out to around 61mm per month. The wettest month is December, averaging 79mm of rainfall. October and January also tend to see above-average precipitation. The driest month is April, with just 40mm. That's 39mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between July and September, totalling around 8cm annually. August is the snowiest month with approximately 3cm.

Canberra International Airport 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 August, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 2km/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 Canberra International Airport, which began on June 21, 2026. Canberra International 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 January at around 27°C, while the coldest stretch bottoms out in August near 1°C. Spring is next, beginning on September 23, 2026 — 84 days from now.

The best time to visit Canberra International Airport is during January, February, March and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 68mm per month. By contrast, August can be quite cold with temperatures dropping to 1°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 Canberra International 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.