Category: Heat waves affecting Australia

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• Australia

Duration: 5 days

Time span: October 06 2025 to October 10 2025

Statistics over entire affected area:

• Mean temperature anomaly: 3.2 °C
• Mean temperature: 32.7 °C
• Maximum temperature anomaly: 5.2 °C
• Maximum temperature: 34.0 °C

Event center: -16.5°S 132.5°E

Area affected: 106235 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Oct-06_to_2025-Oct-10_132.5_-16.5

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• Australia

Duration: 4 days

Time span: October 01 2025 to October 04 2025

Statistics over entire affected area:

• Mean temperature anomaly: 1.6 °C
• Mean temperature: 20.5 °C
• Maximum temperature anomaly: 2.4 °C
• Maximum temperature: 21.8 °C

Event center: -26.5°S 111.5°E

Area affected: 130082 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Oct-01_to_2025-Oct-04_111.5_-26.5

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• Australia

Duration: 5 days

Time span: September 08 2025 to September 12 2025

Statistics over entire affected area:

• Mean temperature anomaly: 1.6 °C
• Mean temperature: 27.7 °C
• Maximum temperature anomaly: 3.5 °C
• Maximum temperature: 29.6 °C

Event center: -15.0°S 125.5°E

Area affected: 65634 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Sep-08_to_2025-Sep-12_125.5_-15.0

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• Australia

Duration: 4 days

Time span: September 02 2025 to September 05 2025

Statistics over entire affected area:

• Mean temperature anomaly: 3.8 °C
• Mean temperature: 26.4 °C
• Maximum temperature anomaly: 5.3 °C
• Maximum temperature: 27.4 °C

Event center: -21.5°S 119.5°E

Area affected: 51716 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Sep-02_to_2025-Sep-05_119.5_-21.5

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• Australia

Duration: 3 days

Time span: August 23 2025 to August 25 2025

Statistics over entire affected area:

• Mean temperature anomaly: 5.9 °C
• Mean temperature: 23.4 °C
• Maximum temperature anomaly: 8.7 °C
• Maximum temperature: 26.3 °C

Event center: -26.5°S 130.5°E

Area affected: 171316 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Aug-23_to_2025-Aug-25_130.5_-26.5

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• Australia

Duration: 3 days

Time span: August 23 2025 to August 25 2025

Statistics over entire affected area:

• Mean temperature anomaly: 6.0 °C
• Mean temperature: 20.6 °C
• Maximum temperature anomaly: 8.5 °C
• Maximum temperature: 23.7 °C

Event center: -30.5°S 135.5°E

Area affected: 59065 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Aug-23_to_2025-Aug-25_135.5_-30.5

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• Australia

Duration: 8 days

Time span: August 08 2025 to August 15 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.7 °C
• Mean temperature: 10.2 °C
• Maximum temperature anomaly: 5.1 °C
• Maximum temperature: 14.1 °C

Event center: -46.5°S 148.0°E

Area affected: 878396 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Aug-08_to_2025-Aug-15_148.0_-46.5