Category: Heat waves affecting Argentina

7 heat waves identified in Argentina since 2020

Heat wave occuring from January 21 2010 to January 30 2010 at -33.0°S 292.0°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Chile

Duration: 10 days

Time span: January 21 2010 to January 30 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: 28.4 °C
  • Maximum temperature anomaly: 9.5 °C
  • Maximum temperature: 35.7 °C

Event center: -33.0°S 292.0°E

Area affected: 1035733 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: Heat_wave_2010-Jan-21_to_2010-Jan-30_292.0_-33.0

Heat wave occuring from January 15 2010 to January 20 2010 at -21.0°S 293.0°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Bolivia
  • Chile

Duration: 6 days

Time span: January 15 2010 to January 20 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 3.2 °C
  • Mean temperature: 13.1 °C
  • Maximum temperature anomaly: 5.2 °C
  • Maximum temperature: 18.4 °C

Event center: -21.0°S 293.0°E

Area affected: 126968 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: Heat_wave_2010-Jan-15_to_2010-Jan-20_293.0_-21.0

Heat wave occuring from January 03 2010 to January 05 2010 at -39.0°S 299.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina

Duration: 3 days

Time span: January 03 2010 to January 05 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 22.7 °C
  • Maximum temperature anomaly: 5.8 °C
  • Maximum temperature: 28.8 °C

Event center: -39.0°S 299.5°E

Area affected: 126537 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: Heat_wave_2010-Jan-03_to_2010-Jan-05_299.5_-39.0

Heat wave occuring from January 02 2010 to January 13 2010 at -26.0°S 293.0°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Bolivia
  • Chile

Duration: 12 days

Time span: January 02 2010 to January 13 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 13.2 °C
  • Maximum temperature anomaly: 6.9 °C
  • Maximum temperature: 21.0 °C

Event center: -26.0°S 293.0°E

Area affected: 281788 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: Heat_wave_2010-Jan-02_to_2010-Jan-13_293.0_-26.0

Heat wave occuring from June 13 2026 to June 16 2026 at -51.0°S 288.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Chile

Duration: 4 days

Time span: June 13 2026 to June 16 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 6.1 °C
  • Mean temperature: 6.3 °C
  • Maximum temperature anomaly: 10.6 °C
  • Maximum temperature: 13.3 °C

Event center: -51.0°S 288.5°E

Area affected: 299029 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Jun-13_to_2026-Jun-16_288.5_-51.0

Heat wave occuring from June 12 2026 to June 18 2026 at -28.5°S 290.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Chile

Duration: 7 days

Time span: June 12 2026 to June 18 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 5.6 °C
  • Mean temperature: -0.5 °C
  • Maximum temperature anomaly: 9.8 °C
  • Maximum temperature: 15.1 °C

Event center: -28.5°S 290.5°E

Area affected: 95906 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Jun-12_to_2026-Jun-18_290.5_-28.5

Heat wave occuring from May 29 2026 to June 07 2026 at -34.0°S 295.0°E

Download data: JSON

Event type: Heat wave

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

  • Argentina

Duration: 10 days

Time span: May 29 2026 to June 07 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.8 °C
  • Mean temperature: 16.0 °C
  • Maximum temperature anomaly: 7.1 °C
  • Maximum temperature: 24.9 °C

Event center: -34.0°S 295.0°E

Area affected: 706602 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: Heat_wave_2026-May-29_to_2026-Jun-07_295.0_-34.0

Heat wave occuring from May 16 2026 to May 23 2026 at -55.0°S 291.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Chile

Duration: 8 days

Time span: May 16 2026 to May 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: 7.7 °C
  • Maximum temperature anomaly: 9.3 °C
  • Maximum temperature: 16.0 °C

Event center: -55.0°S 291.5°E

Area affected: 312758 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: Heat_wave_2026-May-16_to_2026-May-23_291.5_-55.0

Heat wave occuring from April 24 2026 to May 30 2026 at -23.0°S 333.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Argentina
  • Brazil
  • Paraguay
  • South Georgia and the South Sandwich Islands
  • Uruguay

Duration: 37 days

Time span: April 24 2026 to May 30 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.5 °C
  • Mean temperature: 7.6 °C
  • Maximum temperature anomaly: 23.3 °C
  • Maximum temperature: 27.5 °C

Event center: -23.0°S 333.0°E

Area affected: 18900105 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: Heat_wave_2026-Apr-24_to_2026-May-30_333.0_-23.0

Heat wave occuring from June 30 2026 to July 06 2026 at -20.5°S 293.0°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Bolivia

Duration: 7 days

Time span: June 30 2026 to July 06 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 6.5 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 15.0 °C

Event center: -20.5°S 293.0°E

Area affected: 66249 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: Heat_wave_2026-Jun-30_to_2026-Jul-06_293.0_-20.5