Category: Heat waves affecting Korea, Democratic People’s Republic of

Heat wave occuring from February 25 2026 to March 03 2026 at 41.5°N 127.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Korea, Democratic People’s Republic of
  • Korea, Republic of

Duration: 7 days

Time span: February 25 2026 to March 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 5.9 °C
  • Mean temperature: 2.8 °C
  • Maximum temperature anomaly: 9.5 °C
  • Maximum temperature: 9.7 °C

Event center: 41.5°N 127.5°E

Area affected: 104560 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-Feb-25_to_2026-Mar-03_127.5_41.5

Heat wave occuring from February 11 2026 to February 15 2026 at 40.5°N 128.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Korea, Democratic People’s Republic of

Duration: 5 days

Time span: February 11 2026 to February 15 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 7.6 °C
  • Mean temperature: 0.3 °C
  • Maximum temperature anomaly: 12.7 °C
  • Maximum temperature: 5.5 °C

Event center: 40.5°N 128.5°E

Area affected: 98383 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-Feb-11_to_2026-Feb-15_128.5_40.5

Heat wave occuring from November 22 2025 to November 24 2025 at 44.0°N 130.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Korea, Democratic People’s Republic of

Duration: 3 days

Time span: November 22 2025 to November 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.4 °C
  • Mean temperature: 1.4 °C
  • Maximum temperature anomaly: 10.3 °C
  • Maximum temperature: 4.5 °C

Event center: 44.0°N 130.0°E

Area affected: 68486 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-Nov-22_to_2025-Nov-24_130.0_44.0

Heat wave occuring from November 22 2025 to November 24 2025 at 36.0°N 126.0°E

Download data: JSON

Event type: Heat wave

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

  • Korea, Democratic People’s Republic of
  • Korea, Republic of

Duration: 3 days

Time span: November 22 2025 to November 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: 13.2 °C
  • Maximum temperature anomaly: 6.9 °C
  • Maximum temperature: 15.1 °C

Event center: 36.0°N 126.0°E

Area affected: 59690 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-Nov-22_to_2025-Nov-24_126.0_36.0

Heat wave occuring from May 12 2025 to May 16 2025 at 41.0°N 129.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Korea, Democratic People’s Republic of

Duration: 5 days

Time span: May 12 2025 to May 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 16.8 °C
  • Maximum temperature anomaly: 9.0 °C
  • Maximum temperature: 20.8 °C

Event center: 41.0°N 129.0°E

Area affected: 92724 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-May-12_to_2025-May-16_129.0_41.0

Heat wave occuring from March 08 2025 to March 14 2025 at 42.0°N 141.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Japan
  • Korea, Democratic People’s Republic of
  • Mongolia
  • Russian Federation

Duration: 7 days

Time span: March 08 2025 to March 14 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.3 °C
  • Mean temperature: 3.7 °C
  • Maximum temperature anomaly: 15.9 °C
  • Maximum temperature: 15.1 °C

Event center: 42.0°N 141.5°E

Area affected: 3063166 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-Mar-08_to_2025-Mar-14_141.5_42.0

Heat wave occuring from February 27 2025 to March 03 2025 at 42.5°N 129.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Korea, Democratic People’s Republic of
  • Korea, Republic of

Duration: 5 days

Time span: February 27 2025 to March 03 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.0 °C
  • Mean temperature: 2.8 °C
  • Maximum temperature anomaly: 11.2 °C
  • Maximum temperature: 10.5 °C

Event center: 42.5°N 129.0°E

Area affected: 153744 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-Feb-27_to_2025-Mar-03_129.0_42.5

Heat wave occuring from June 27 2024 to June 29 2024 at 41.0°N 129.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Korea, Democratic People’s Republic of

Duration: 3 days

Time span: June 27 2024 to June 29 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 3.7 °C
  • Mean temperature: 22.8 °C
  • Maximum temperature anomaly: 5.1 °C
  • Maximum temperature: 26.1 °C

Event center: 41.0°N 129.5°E

Area affected: 67238 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_2024-Jun-27_to_2024-Jun-29_129.5_41.0

Heat wave occuring from April 01 2024 to April 04 2024 at 39.5°N 125.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Korea, Democratic People’s Republic of
  • Korea, Republic of

Duration: 4 days

Time span: April 01 2024 to April 04 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 11.3 °C
  • Maximum temperature anomaly: 6.8 °C
  • Maximum temperature: 15.9 °C

Event center: 39.5°N 125.0°E

Area affected: 105796 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_2024-Apr-01_to_2024-Apr-04_125.0_39.5

Heat wave occuring from February 16 2024 to February 18 2024 at 43.5°N 128.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Korea, Democratic People’s Republic of

Duration: 3 days

Time span: February 16 2024 to February 18 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 9.3 °C
  • Mean temperature: 1.2 °C
  • Maximum temperature anomaly: 15.3 °C
  • Maximum temperature: 6.8 °C

Event center: 43.5°N 128.5°E

Area affected: 215684 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_2024-Feb-16_to_2024-Feb-18_128.5_43.5