Category: Heat waves affecting China

Download data: JSON

Event type: Heat wave

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

• China

Duration: 13 days

Time span: November 30 2025 to December 12 2025

Statistics over entire affected area:

• Mean temperature anomaly: 6.5 °C
• Mean temperature: -9.2 °C
• Maximum temperature anomaly: 10.8 °C
• Maximum temperature: -3.6 °C

Event center: 34.5°N 97.0°E

Area affected: 109589 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-30_to_2025-Dec-12_97.0_34.5

Download data: JSON

Event type: Heat wave

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

• China

Duration: 7 days

Time span: November 26 2025 to December 02 2025

Statistics over entire affected area:

• Mean temperature anomaly: 5.1 °C
• Mean temperature: 11.4 °C
• Maximum temperature anomaly: 7.3 °C
• Maximum temperature: 18.1 °C

Event center: 33.5°N 113.5°E

Area affected: 479188 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-26_to_2025-Dec-02_113.5_33.5

Download data: JSON

Event type: Heat wave

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

• China

Duration: 5 days

Time span: November 25 2025 to November 29 2025

Statistics over entire affected area:

• Mean temperature anomaly: 4.1 °C
• Mean temperature: 2.3 °C
• Maximum temperature anomaly: 6.7 °C
• Maximum temperature: 6.5 °C

Event center: 38.5°N 86.5°E

Area affected: 63026 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-25_to_2025-Nov-29_86.5_38.5

Download data: JSON

Event type: Heat wave

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

• China

Duration: 3 days

Time span: November 21 2025 to November 23 2025

Statistics over entire affected area:

• Mean temperature anomaly: 9.2 °C
• Mean temperature: -0.5 °C
• Maximum temperature anomaly: 12.7 °C
• Maximum temperature: 5.3 °C

Event center: 48.0°N 122.5°E

Area affected: 299352 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-21_to_2025-Nov-23_122.5_48.0

Download data: JSON

Event type: Heat wave

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

• China

Duration: 4 days

Time span: November 03 2025 to November 06 2025

Statistics over entire affected area:

• Mean temperature anomaly: 5.5 °C
• Mean temperature: 7.5 °C
• Maximum temperature anomaly: 8.1 °C
• Maximum temperature: 12.1 °C

Event center: 40.0°N 107.0°E

Area affected: 152358 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-03_to_2025-Nov-06_107.0_40.0

Download data: JSON

Event type: Heat wave

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

• China

Duration: 10 days

Time span: October 27 2025 to November 05 2025

Statistics over entire affected area:

• Mean temperature anomaly: 4.5 °C
• Mean temperature: -2.9 °C
• Maximum temperature anomaly: 7.1 °C
• Maximum temperature: 1.5 °C

Event center: 32.0°N 83.0°E

Area affected: 96008 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-Oct-27_to_2025-Nov-05_83.0_32.0