Cold spell occuring from March 31 2026 to April 06 2026 at -14.0°S 47.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 7 days

Time span: March 31 2026 to April 06 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.2 °C
  • Mean temperature: 26.2 °C
  • Minimum temperature anomaly: -2.1 °C
  • Minimum temperature: 23.0 °C

Event center: -14.0°S 47.5°E

Area affected: 107294 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_2026-Mar-31_to_2026-Apr-06_47.5_-14.0

Cold spell occuring from December 26 2025 to January 04 2026 at -23.5°S 44.0°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar
  • Réunion

Duration: 10 days

Time span: December 26 2025 to January 04 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 19.8 °C
  • Minimum temperature anomaly: -5.3 °C
  • Minimum temperature: 8.5 °C

Event center: -23.5°S 44.0°E

Area affected: 3546993 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-26_to_2026-Jan-04_44.0_-23.5

Cold spell occuring from December 12 2025 to December 24 2025 at -17.5°S 48.0°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 13 days

Time span: December 12 2025 to December 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 23.5 °C
  • Minimum temperature anomaly: -2.6 °C
  • Minimum temperature: 16.4 °C

Event center: -17.5°S 48.0°E

Area affected: 143081 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-12_to_2025-Dec-24_48.0_-17.5

Cold spell occuring from November 03 2025 to November 25 2025 at -12.5°S 32.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Congo, The Democratic Republic of the
  • Madagascar
  • Malawi
  • Mozambique
  • Namibia
  • Tanzania, United Republic of
  • Zambia
  • Zimbabwe

Duration: 23 days

Time span: November 03 2025 to November 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 21.9 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: 14.8 °C

Event center: -12.5°S 32.0°E

Area affected: 4313215 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-25_32.0_-12.5

Cold spell occuring from October 01 2025 to October 06 2025 at -24.0°S 46.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 6 days

Time span: October 01 2025 to October 06 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 21.5 °C
  • Minimum temperature anomaly: -7.7 °C
  • Minimum temperature: 16.1 °C

Event center: -24.0°S 46.5°E

Area affected: 93941 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-01_to_2025-Oct-06_46.5_-24.0

Cold spell occuring from August 17 2025 to August 21 2025 at -22.5°S 45.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 5 days

Time span: August 17 2025 to August 21 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 15.8 °C
  • Minimum temperature anomaly: -4.1 °C
  • Minimum temperature: 10.7 °C

Event center: -22.5°S 45.5°E

Area affected: 76783 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-17_to_2025-Aug-21_45.5_-22.5

Cold spell occuring from August 02 2025 to August 07 2025 at -25.0°S 46.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 6 days

Time span: August 02 2025 to August 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 17.0 °C
  • Minimum temperature anomaly: -5.3 °C
  • Minimum temperature: 9.2 °C

Event center: -25.0°S 46.5°E

Area affected: 772746 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-02_to_2025-Aug-07_46.5_-25.0

Cold spell occuring from July 28 2025 to August 07 2025 at -22.5°S 51.0°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 11 days

Time span: July 28 2025 to August 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 19.6 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: 8.8 °C

Event center: -22.5°S 51.0°E

Area affected: 317833 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-28_to_2025-Aug-07_51.0_-22.5

Cold spell occuring from May 04 2025 to May 08 2025 at -24.0°S 46.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 5 days

Time span: May 04 2025 to May 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 17.6 °C
  • Minimum temperature anomaly: -3.9 °C
  • Minimum temperature: 13.9 °C

Event center: -24.0°S 46.5°E

Area affected: 85249 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-04_to_2025-May-08_46.5_-24.0

Cold spell occuring from March 14 2025 to March 23 2025 at -24.0°S 44.0°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 10 days

Time span: March 14 2025 to March 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 22.0 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 16.1 °C

Event center: -24.0°S 44.0°E

Area affected: 187174 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-Mar-14_to_2025-Mar-23_44.0_-24.0