Climate Insights for Darwin

The climate in Darwin is hot. The average annual temperature is 28°C and approximately 1899mm of precipitation falls per year. January is the wettest month, receiving around 444mm of rainfall. Darwin 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: September, October, May. The coldest months are July, August, June, when temperatures can drop to 19°C.

Darwin sees moderate temperature variation throughout the year, ranging from 19°C to 34°C. The warmest month is September, when average highs reach 34°C and the mean temperature sits around 28°C. July is the coolest month, with minimum temperatures around 19°C and an average of 25°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.

Darwin is a fairly wet location, receiving approximately 1899mm of precipitation annually, which averages out to around 158mm per month. The wettest month is January, averaging 444mm of rainfall. February and December also tend to see above-average precipitation. The driest month is July, with just 2mm. That's 442mm 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.

Darwin is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 9km/h in winter, 8km/h in spring, 12km/h in summer, 9km/h in autumn.

It is currently winter in Darwin, which began on June 21, 2026. Darwin 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 September at around 34°C, while the coldest stretch bottoms out in July near 19°C. Spring is next, beginning on September 23, 2026 (8 days from now).

The table below shows monthly climate averages for Darwin 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.