Category: Cold spells affecting Chile

Cold spell occuring from October 01 2025 to October 05 2025 at -32.0°S 253.0°E

Download data: JSON

Event type: Cold spell

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

  • Chile

Duration: 5 days

Time span: October 01 2025 to October 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 16.1 °C
  • Minimum temperature anomaly: -3.4 °C
  • Minimum temperature: 12.6 °C

Event center: -32.0°S 253.0°E

Area affected: 519401 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-05_253.0_-32.0

Cold spell occuring from August 18 2025 to August 28 2025 at -27.0°S 290.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia, Plurinational State of
  • Chile
  • Peru

Duration: 11 days

Time span: August 18 2025 to August 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 4.0 °C
  • Minimum temperature anomaly: -12.4 °C
  • Minimum temperature: -20.2 °C

Event center: -27.0°S 290.5°E

Area affected: 335789 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-18_to_2025-Aug-28_290.5_-27.0

Cold spell occuring from July 24 2025 to July 29 2025 at -50.5°S 285.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Chile

Duration: 6 days

Time span: July 24 2025 to July 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: -3.9 °C
  • Minimum temperature anomaly: -13.9 °C
  • Minimum temperature: -15.1 °C

Event center: -50.5°S 285.5°E

Area affected: 337792 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-24_to_2025-Jul-29_285.5_-50.5

Cold spell occuring from June 24 2025 to July 23 2025 at -12.0°S 310.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia, Plurinational State of
  • Brazil
  • Chile
  • Colombia
  • Ecuador
  • Guyana
  • Paraguay
  • Peru
  • Uruguay
  • Venezuela, Bolivarian Republic of

Duration: 30 days

Time span: June 24 2025 to July 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 12.5 °C
  • Minimum temperature anomaly: -17.5 °C
  • Minimum temperature: -18.7 °C

Event center: -12.0°S 310.0°E

Area affected: 11697282 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-Jun-24_to_2025-Jul-23_310.0_-12.0

Cold spell occuring from May 15 2025 to May 22 2025 at -51.0°S 285.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Chile

Duration: 8 days

Time span: May 15 2025 to May 22 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 1.9 °C
  • Minimum temperature anomaly: -12.9 °C
  • Minimum temperature: -10.0 °C

Event center: -51.0°S 285.5°E

Area affected: 407866 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-15_to_2025-May-22_285.5_-51.0

Cold spell occuring from April 28 2025 to May 08 2025 at -28.0°S 289.0°E

Download data: JSON

Event type: Cold spell

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

  • Chile

Duration: 11 days

Time span: April 28 2025 to May 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 14.6 °C
  • Minimum temperature anomaly: -2.4 °C
  • Minimum temperature: 11.8 °C

Event center: -28.0°S 289.0°E

Area affected: 77006 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-28_to_2025-May-08_289.0_-28.0

Cold spell occuring from April 01 2025 to April 23 2025 at -27.5°S 289.0°E

Download data: JSON

Event type: Cold spell

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

  • Chile

Duration: 23 days

Time span: April 01 2025 to April 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 15.2 °C
  • Minimum temperature anomaly: -2.7 °C
  • Minimum temperature: 12.1 °C

Event center: -27.5°S 289.0°E

Area affected: 112396 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-01_to_2025-Apr-23_289.0_-27.5

Cold spell occuring from March 30 2025 to April 03 2025 at -36.5°S 289.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Chile

Duration: 5 days

Time span: March 30 2025 to April 03 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 6.4 °C
  • Minimum temperature anomaly: -13.2 °C
  • Minimum temperature: -10.3 °C

Event center: -36.5°S 289.5°E

Area affected: 155333 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-30_to_2025-Apr-03_289.5_-36.5

Cold spell occuring from March 29 2025 to April 05 2025 at -54.5°S 289.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • Argentina
  • Chile

Duration: 8 days

Time span: March 29 2025 to April 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 3.2 °C
  • Minimum temperature anomaly: -10.3 °C
  • Minimum temperature: -6.4 °C

Event center: -54.5°S 289.5°E

Area affected: 1313351 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-29_to_2025-Apr-05_289.5_-54.5

Cold spell occuring from March 23 2025 to March 28 2025 at -36.5°S 290.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Chile

Duration: 6 days

Time span: March 23 2025 to March 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -7.8 °C
  • Mean temperature: 10.2 °C
  • Minimum temperature anomaly: -13.0 °C
  • Minimum temperature: -5.5 °C

Event center: -36.5°S 290.0°E

Area affected: 385636 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-23_to_2025-Mar-28_290.0_-36.5