Category: Cold spells affecting Australia

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 14 days

Time span: December 20 2025 to January 02 2026

Statistics over entire affected area:

• Mean temperature anomaly: -2.9 °C
• Mean temperature: 14.7 °C
• Minimum temperature anomaly: -8.6 °C
• Minimum temperature: 2.2 °C

Event center: -37.0°S 154.0°E

Area affected: 2246055 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-Dec-20_to_2026-Jan-02_154.0_-37.0

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 20 days

Time span: December 18 2025 to January 06 2026

Statistics over entire affected area:

• Mean temperature anomaly: -4.8 °C
• Mean temperature: 24.9 °C
• Minimum temperature anomaly: -10.2 °C
• Minimum temperature: 18.8 °C

Event center: -21.0°S 141.5°E

Area affected: 1035489 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-Dec-18_to_2026-Jan-06_141.5_-21.0

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 3 days

Time span: November 30 2025 to December 02 2025

Statistics over entire affected area:

• Mean temperature anomaly: -7.1 °C
• Mean temperature: 13.8 °C
• Minimum temperature anomaly: -10.3 °C
• Minimum temperature: 3.9 °C

Event center: -36.0°S 148.0°E

Area affected: 181964 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-Nov-30_to_2025-Dec-02_148.0_-36.0

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 3 days

Time span: November 29 2025 to December 01 2025

Statistics over entire affected area:

• Mean temperature anomaly: -2.9 °C
• Mean temperature: 12.3 °C
• Minimum temperature anomaly: -5.9 °C
• Minimum temperature: 10.0 °C

Event center: -39.5°S 148.0°E

Area affected: 158334 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-Nov-29_to_2025-Dec-01_148.0_-39.5

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 6 days

Time span: November 28 2025 to December 03 2025

Statistics over entire affected area:

• Mean temperature anomaly: -5.6 °C
• Mean temperature: 24.7 °C
• Minimum temperature anomaly: -7.7 °C
• Minimum temperature: 21.0 °C

Event center: -25.0°S 138.0°E

Area affected: 487738 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-Nov-28_to_2025-Dec-03_138.0_-25.0

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 5 days

Time span: November 23 2025 to November 27 2025

Statistics over entire affected area:

• Mean temperature anomaly: -2.7 °C
• Mean temperature: 27.6 °C
• Minimum temperature anomaly: -5.4 °C
• Minimum temperature: 25.7 °C

Event center: -15.0°S 128.5°E

Area affected: 104505 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-Nov-23_to_2025-Nov-27_128.5_-15.0

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 3 days

Time span: November 03 2025 to November 05 2025

Statistics over entire affected area:

• Mean temperature anomaly: -8.2 °C
• Mean temperature: 20.6 °C
• Minimum temperature anomaly: -13.3 °C
• Minimum temperature: 15.7 °C

Event center: -21.0°S 140.0°E

Area affected: 309069 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-Nov-03_to_2025-Nov-05_140.0_-21.0

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 4 days

Time span: October 26 2025 to October 29 2025

Statistics over entire affected area:

• Mean temperature anomaly: -2.2 °C
• Mean temperature: 9.0 °C
• Minimum temperature anomaly: -4.4 °C
• Minimum temperature: 5.8 °C

Event center: -41.5°S 140.0°E

Area affected: 413513 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-Oct-26_to_2025-Oct-29_140.0_-41.5

Download data: JSON

Event type: Cold spell

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

• Australia

Duration: 3 days

Time span: October 23 2025 to October 25 2025

Statistics over entire affected area:

• Mean temperature anomaly: -3.6 °C
• Mean temperature: 21.6 °C
• Minimum temperature anomaly: -5.2 °C
• Minimum temperature: 19.6 °C

Event center: -22.5°S 114.5°E

Area affected: 87843 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-Oct-23_to_2025-Oct-25_114.5_-22.5