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: 9 days

Time span: January 31 2026 to February 08 2026

Statistics over entire affected area:

• Mean temperature anomaly: 3.8 °C
• Mean temperature: 32.8 °C
• Maximum temperature anomaly: 8.3 °C
• Maximum temperature: 39.0 °C

Event center: -23.5°S 114.0°E

Area affected: 620203 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_2026-Jan-31_to_2026-Feb-08_114.0_-23.5

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 11 days

Time span: January 22 2026 to February 01 2026

Statistics over entire affected area:

• Mean temperature anomaly: 7.0 °C
• Mean temperature: 36.1 °C
• Maximum temperature anomaly: 14.2 °C
• Maximum temperature: 41.8 °C

Event center: -31.5°S 142.0°E

Area affected: 2294806 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_2026-Jan-22_to_2026-Feb-01_142.0_-31.5

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 3 days

Time span: December 18 2025 to December 20 2025

Statistics over entire affected area:

• Mean temperature anomaly: 5.3 °C
• Mean temperature: 34.0 °C
• Maximum temperature anomaly: 6.2 °C
• Maximum temperature: 35.3 °C

Event center: -25.0°S 129.5°E

Area affected: 53098 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-Dec-18_to_2025-Dec-20_129.5_-25.0

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 3 days

Time span: December 04 2025 to December 06 2025

Statistics over entire affected area:

• Mean temperature anomaly: 4.3 °C
• Mean temperature: 23.1 °C
• Maximum temperature anomaly: 9.7 °C
• Maximum temperature: 30.8 °C

Event center: -33.5°S 151.5°E

Area affected: 118652 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-Dec-04_to_2025-Dec-06_151.5_-33.5

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 11 days

Time span: December 03 2025 to December 13 2025

Statistics over entire affected area:

• Mean temperature anomaly: 6.2 °C
• Mean temperature: 34.6 °C
• Maximum temperature anomaly: 10.0 °C
• Maximum temperature: 38.7 °C

Event center: -24.5°S 119.5°E

Area affected: 1458665 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-Dec-03_to_2025-Dec-13_119.5_-24.5

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 6 days

Time span: November 16 2025 to November 21 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.0 °C
• Mean temperature: 20.3 °C
• Maximum temperature anomaly: 4.9 °C
• Maximum temperature: 24.8 °C

Event center: -28.0°S 110.5°E

Area affected: 505953 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-Nov-16_to_2025-Nov-21_110.5_-28.0

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 5 days

Time span: November 08 2025 to November 12 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.2 °C
• Mean temperature: 21.3 °C
• Maximum temperature anomaly: 8.0 °C
• Maximum temperature: 30.0 °C

Event center: -27.0°S 113.5°E

Area affected: 515613 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-Nov-08_to_2025-Nov-12_113.5_-27.0

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 4 days

Time span: October 14 2025 to October 17 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.5 °C
• Mean temperature: 20.2 °C
• Maximum temperature anomaly: 4.1 °C
• Maximum temperature: 21.8 °C

Event center: -34.0°S 154.5°E

Area affected: 167023 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-14_to_2025-Oct-17_154.5_-34.0

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 3 days

Time span: October 13 2025 to October 15 2025

Statistics over entire affected area:

• Mean temperature anomaly: 4.1 °C
• Mean temperature: 31.6 °C
• Maximum temperature anomaly: 5.5 °C
• Maximum temperature: 32.9 °C

Event center: -20.0°S 135.0°E

Area affected: 121551 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-13_to_2025-Oct-15_135.0_-20.0