Category: Extremes affecting Australia

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 3 days

Time span: August 01 2025 to August 03 2025

Statistics over entire affected area:

• Mean temperature anomaly: -2.0 °C
• Mean temperature: 19.6 °C
• Minimum temperature anomaly: -3.5 °C
• Minimum temperature: 15.4 °C

Event center: -18.0°S 146.5°E

Area affected: 93559 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: Cold_spell_2025-Aug-01_to_2025-Aug-03_146.5_-18.0

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 7 days

Time span: July 30 2025 to August 05 2025

Statistics over entire affected area:

• Mean temperature anomaly: -4.5 °C
• Mean temperature: 15.2 °C
• Minimum temperature anomaly: -7.6 °C
• Minimum temperature: 7.4 °C

Event center: -18.0°S 142.0°E

Area affected: 1849052 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: Cold_spell_2025-Jul-30_to_2025-Aug-05_142.0_-18.0

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 5 days

Time span: July 29 2025 to August 02 2025

Statistics over entire affected area:

• Mean temperature anomaly: -3.8 °C
• Mean temperature: 9.4 °C
• Minimum temperature anomaly: -5.7 °C
• Minimum temperature: 6.9 °C

Event center: -28.5°S 133.5°E

Area affected: 110988 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: Cold_spell_2025-Jul-29_to_2025-Aug-02_133.5_-28.5

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 14 days

Time span: July 20 2025 to August 02 2025

Statistics over entire affected area:

• Mean temperature anomaly: -3.3 °C
• Mean temperature: 15.9 °C
• Minimum temperature anomaly: -8.3 °C
• Minimum temperature: 5.2 °C

Event center: -26.0°S 114.0°E

Area affected: 4017950 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: Cold_spell_2025-Jul-20_to_2025-Aug-02_114.0_-26.0

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 4 days

Time span: July 01 2025 to July 04 2025

Statistics over entire affected area:

• Mean temperature anomaly: -4.1 °C
• Mean temperature: 12.1 °C
• Minimum temperature anomaly: -5.5 °C
• Minimum temperature: 10.5 °C

Event center: -23.0°S 149.5°E

Area affected: 51022 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: Cold_spell_2025-Jul-01_to_2025-Jul-04_149.5_-23.0