Category: Extremes affecting Peru

Cold spell occuring from August 27 2025 to September 04 2025 at -17.0°S 288.0°E

Download data: JSON

Event type: Cold spell

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

  • Peru

Duration: 9 days

Time span: August 27 2025 to September 04 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 14.3 °C
  • Minimum temperature anomaly: -3.7 °C
  • Minimum temperature: 12.2 °C

Event center: -17.0°S 288.0°E

Area affected: 59450 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-27_to_2025-Sep-04_288.0_-17.0

Cold spell occuring from August 24 2025 to August 28 2025 at -19.5°S 294.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia, Plurinational State of
  • Brazil
  • Paraguay
  • Peru

Duration: 5 days

Time span: August 24 2025 to August 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -7.9 °C
  • Mean temperature: 14.6 °C
  • Minimum temperature anomaly: -14.8 °C
  • Minimum temperature: -3.2 °C

Event center: -19.5°S 294.5°E

Area affected: 1258007 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-24_to_2025-Aug-28_294.5_-19.5

Heat wave occuring from August 20 2025 to October 02 2025 at -0.5°S 280.5°E

Download data: JSON

Event type: Heat wave

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

  • Colombia
  • Ecuador
  • Peru

Duration: 44 days

Time span: August 20 2025 to October 02 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 23.1 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 28.1 °C

Event center: -0.5°S 280.5°E

Area affected: 545208 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_2025-Aug-20_to_2025-Oct-02_280.5_-0.5

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

Heat wave occuring from August 07 2025 to September 27 2025 at -8.0°S 307.0°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Bolivia, Plurinational State of
  • Brazil
  • Chile
  • Ecuador
  • Paraguay
  • Peru
  • Uruguay

Duration: 52 days

Time span: August 07 2025 to September 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 25.1 °C
  • Maximum temperature anomaly: 10.4 °C
  • Maximum temperature: 35.1 °C

Event center: -8.0°S 307.0°E

Area affected: 4616956 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_2025-Aug-07_to_2025-Sep-27_307.0_-8.0

Cold spell occuring from July 31 2025 to August 05 2025 at -15.0°S 288.5°E

Download data: JSON

Event type: Cold spell

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

  • Peru

Duration: 6 days

Time span: July 31 2025 to August 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 1.9 °C
  • Minimum temperature anomaly: -3.6 °C
  • Minimum temperature: -2.2 °C

Event center: -15.0°S 288.5°E

Area affected: 68511 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-31_to_2025-Aug-05_288.5_-15.0

Heat wave occuring from July 18 2025 to July 23 2025 at -18.0°S 290.0°E

Download data: JSON

Event type: Heat wave

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

  • Chile
  • Peru

Duration: 6 days

Time span: July 18 2025 to July 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 17.7 °C
  • Maximum temperature anomaly: 3.4 °C
  • Maximum temperature: 21.3 °C

Event center: -18.0°S 290.0°E

Area affected: 63897 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_2025-Jul-18_to_2025-Jul-23_290.0_-18.0

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 June 12 2025 to June 16 2025 at -16.0°S 287.0°E

Download data: JSON

Event type: Cold spell

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

  • Peru

Duration: 5 days

Time span: June 12 2025 to June 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 9.2 °C
  • Minimum temperature anomaly: -3.5 °C
  • Minimum temperature: -0.9 °C

Event center: -16.0°S 287.0°E

Area affected: 92258 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-12_to_2025-Jun-16_287.0_-16.0

Heat wave occuring from June 08 2025 to June 14 2025 at -11.0°S 284.0°E

Download data: JSON

Event type: Heat wave

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

  • Peru

Duration: 7 days

Time span: June 08 2025 to June 14 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 6.7 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 14.7 °C

Event center: -11.0°S 284.0°E

Area affected: 63575 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_2025-Jun-08_to_2025-Jun-14_284.0_-11.0