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: 4 days

Time span: July 24 2025 to July 27 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.0 °C
• Mean temperature: 11.9 °C
• Maximum temperature anomaly: 3.5 °C
• Maximum temperature: 14.2 °C

Event center: -47.5°S 150.0°E

Area affected: 231647 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-Jul-24_to_2025-Jul-27_150.0_-47.5

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 3 days

Time span: July 12 2025 to July 14 2025

Statistics over entire affected area:

• Mean temperature anomaly: 4.9 °C
• Mean temperature: 16.9 °C
• Maximum temperature anomaly: 6.5 °C
• Maximum temperature: 19.9 °C

Event center: -27.5°S 126.5°E

Area affected: 170100 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-Jul-12_to_2025-Jul-14_126.5_-27.5

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 3 days

Time span: July 10 2025 to July 12 2025

Statistics over entire affected area:

• Mean temperature anomaly: 1.8 °C
• Mean temperature: 14.8 °C
• Maximum temperature anomaly: 2.9 °C
• Maximum temperature: 16.1 °C

Event center: -36.5°S 137.5°E

Area affected: 52670 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-Jul-10_to_2025-Jul-12_137.5_-36.5

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 4 days

Time span: June 30 2025 to July 03 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.0 °C
• Mean temperature: 16.5 °C
• Maximum temperature anomaly: 2.9 °C
• Maximum temperature: 18.1 °C

Event center: -35.0°S 125.0°E

Area affected: 126426 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-Jun-30_to_2025-Jul-03_125.0_-35.0

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 3 days

Time span: June 21 2025 to June 23 2025

Statistics over entire affected area:

• Mean temperature anomaly: 4.0 °C
• Mean temperature: 16.7 °C
• Maximum temperature anomaly: 6.5 °C
• Maximum temperature: 19.5 °C

Event center: -27.0°S 136.5°E

Area affected: 87581 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-Jun-21_to_2025-Jun-23_136.5_-27.0

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 13 days

Time span: June 12 2025 to June 24 2025

Statistics over entire affected area:

• Mean temperature anomaly: 3.0 °C
• Mean temperature: 16.1 °C
• Maximum temperature anomaly: 8.3 °C
• Maximum temperature: 22.2 °C

Event center: -31.0°S 129.0°E

Area affected: 3904190 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-Jun-12_to_2025-Jun-24_129.0_-31.0

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 5 days

Time span: June 01 2025 to June 05 2025

Statistics over entire affected area:

• Mean temperature anomaly: 4.5 °C
• Mean temperature: 18.4 °C
• Maximum temperature anomaly: 9.0 °C
• Maximum temperature: 22.4 °C

Event center: -28.5°S 122.0°E

Area affected: 773510 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-Jun-01_to_2025-Jun-05_122.0_-28.5

Download data: JSON

Event type: Heat wave

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

• Australia

Duration: 6 days

Time span: May 11 2025 to May 16 2025

Statistics over entire affected area:

• Mean temperature anomaly: 3.7 °C
• Mean temperature: 15.3 °C
• Maximum temperature anomaly: 4.9 °C
• Maximum temperature: 20.0 °C

Event center: -31.5°S 152.5°E

Area affected: 156846 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-May-11_to_2025-May-16_152.5_-31.5