Category: Heat waves affecting China

Heat wave occuring from April 05 2025 to April 11 2025 at 31.5°N 120.0°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 7 days

Time span: April 05 2025 to April 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.3 °C
  • Mean temperature: 20.6 °C
  • Maximum temperature anomaly: 10.8 °C
  • Maximum temperature: 26.7 °C

Event center: 31.5°N 120.0°E

Area affected: 1266550 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-Apr-05_to_2025-Apr-11_120.0_31.5

Heat wave occuring from April 05 2025 to April 08 2025 at 54.0°N 121.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Russian Federation

Duration: 4 days

Time span: April 05 2025 to April 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.0 °C
  • Mean temperature: 3.4 °C
  • Maximum temperature anomaly: 10.3 °C
  • Maximum temperature: 7.5 °C

Event center: 54.0°N 121.0°E

Area affected: 96091 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-Apr-05_to_2025-Apr-08_121.0_54.0

Heat wave occuring from March 20 2025 to March 24 2025 at 45.0°N 91.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Mongolia

Duration: 5 days

Time span: March 20 2025 to March 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 8.0 °C
  • Mean temperature: 9.1 °C
  • Maximum temperature anomaly: 11.5 °C
  • Maximum temperature: 18.2 °C

Event center: 45.0°N 91.5°E

Area affected: 85882 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-20_to_2025-Mar-24_91.5_45.0

Heat wave occuring from March 11 2025 to March 14 2025 at 25.0°N 117.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Hong Kong

Duration: 4 days

Time span: March 11 2025 to March 14 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.8 °C
  • Mean temperature: 22.3 °C
  • Maximum temperature anomaly: 10.8 °C
  • Maximum temperature: 25.4 °C

Event center: 25.0°N 117.0°E

Area affected: 332397 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-11_to_2025-Mar-14_117.0_25.0

Heat wave occuring from March 09 2025 to March 11 2025 at 38.0°N 81.5°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 3 days

Time span: March 09 2025 to March 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.4 °C
  • Mean temperature: 13.8 °C
  • Maximum temperature anomaly: 7.1 °C
  • Maximum temperature: 15.3 °C

Event center: 38.0°N 81.5°E

Area affected: 75540 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-09_to_2025-Mar-11_81.5_38.0

Heat wave occuring from March 08 2025 to March 10 2025 at 40.0°N 101.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Mongolia

Duration: 3 days

Time span: March 08 2025 to March 10 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.9 °C
  • Mean temperature: 8.8 °C
  • Maximum temperature anomaly: 7.7 °C
  • Maximum temperature: 10.7 °C

Event center: 40.0°N 101.5°E

Area affected: 63158 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-10_101.5_40.0

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 February 26 2025 to March 05 2025 at 33.0°N 100.0°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 8 days

Time span: February 26 2025 to March 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.2 °C
  • Mean temperature: -4.9 °C
  • Maximum temperature anomaly: 10.7 °C
  • Maximum temperature: 4.5 °C

Event center: 33.0°N 100.0°E

Area affected: 214463 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-26_to_2025-Mar-05_100.0_33.0

Heat wave occuring from February 25 2025 to March 21 2025 at 28.0°N 89.0°E

Download data: JSON

Event type: Heat wave

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

  • Bhutan
  • China
  • India
  • Nepal

Duration: 25 days

Time span: February 25 2025 to March 21 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: -5.3 °C
  • Maximum temperature anomaly: 9.3 °C
  • Maximum temperature: 27.5 °C

Event center: 28.0°N 89.0°E

Area affected: 793230 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-25_to_2025-Mar-21_89.0_28.0