Category: Cold spells affecting Indonesia

Download data: JSON

Event type: Cold spell

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

• Indonesia

Duration: 4 days

Time span: August 11 2025 to August 14 2025

Statistics over entire affected area:

• Mean temperature anomaly: -0.9 °C
• Mean temperature: 26.4 °C
• Minimum temperature anomaly: -1.7 °C
• Minimum temperature: 25.9 °C

Event center: -6.0°S 106.5°E

Area affected: 64724 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-11_to_2025-Aug-14_106.5_-6.0

Download data: JSON

Event type: Cold spell

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

• Indonesia

Duration: 8 days

Time span: May 07 2025 to May 14 2025

Statistics over entire affected area:

• Mean temperature anomaly: -1.0 °C
• Mean temperature: 26.8 °C
• Minimum temperature anomaly: -1.6 °C
• Minimum temperature: 24.9 °C

Event center: -7.5°S 114.5°E

Area affected: 128919 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-May-07_to_2025-May-14_114.5_-7.5

Download data: JSON

Event type: Cold spell

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

• Indonesia

Duration: 5 days

Time span: April 23 2025 to April 27 2025

Statistics over entire affected area:

• Mean temperature anomaly: -0.9 °C
• Mean temperature: 26.2 °C
• Minimum temperature anomaly: -1.2 °C
• Minimum temperature: 24.9 °C

Event center: 4.0°N 125.5°E

Area affected: 77138 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-Apr-23_to_2025-Apr-27_125.5_4.0

Download data: JSON

Event type: Cold spell

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

• Indonesia

Duration: 5 days

Time span: January 01 2025 to January 05 2025

Statistics over entire affected area:

• Mean temperature anomaly: -1.0 °C
• Mean temperature: 25.9 °C
• Minimum temperature anomaly: -1.5 °C
• Minimum temperature: 24.5 °C

Event center: -9.0°S 118.0°E

Area affected: 57961 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-Jan-01_to_2025-Jan-05_118.0_-9.0

Download data: JSON

Event type: Cold spell

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

• Indonesia

Duration: 42 days

Time span: September 09 2023 to October 20 2023

Statistics over entire affected area:

• Mean temperature anomaly: -1.2 °C
• Mean temperature: 25.1 °C
• Minimum temperature anomaly: -2.5 °C
• Minimum temperature: 23.5 °C

Event center: -4.0°S 102.0°E

Area affected: 419166 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_2023-Sep-09_to_2023-Oct-20_102.0_-4.0

Download data: JSON

Event type: Cold spell

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

• Indonesia

Duration: 20 days

Time span: August 23 2023 to September 11 2023

Statistics over entire affected area:

• Mean temperature anomaly: -1.5 °C
• Mean temperature: 23.4 °C
• Minimum temperature anomaly: -2.3 °C
• Minimum temperature: 19.8 °C

Event center: -7.0°S 105.5°E

Area affected: 70480 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_2023-Aug-23_to_2023-Sep-11_105.5_-7.0