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: 3 days

Time span: August 08 2025 to August 10 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.8 °C
• Mean temperature: 24.5 °C
• Maximum temperature anomaly: 3.9 °C
• Maximum temperature: 27.5 °C

Event center: 26.0°N 105.0°E

Area affected: 66460 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-08_to_2025-Aug-10_105.0_26.0

Download data: JSON

Event type: Heat wave

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

• China

Duration: 6 days

Time span: July 23 2025 to July 28 2025

Statistics over entire affected area:

• Mean temperature anomaly: 3.3 °C
• Mean temperature: 30.6 °C
• Maximum temperature anomaly: 4.7 °C
• Maximum temperature: 32.6 °C

Event center: 39.0°N 118.5°E

Area affected: 65528 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-23_to_2025-Jul-28_118.5_39.0

Download data: JSON

Event type: Heat wave

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

• China

Duration: 4 days

Time span: July 09 2025 to July 12 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.8 °C
• Mean temperature: 11.3 °C
• Maximum temperature anomaly: 4.4 °C
• Maximum temperature: 15.1 °C

Event center: 32.0°N 90.0°E

Area affected: 65731 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-09_to_2025-Jul-12_90.0_32.0

Download data: JSON

Event type: Heat wave

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

• China

Duration: 5 days

Time span: July 07 2025 to July 11 2025

Statistics over entire affected area:

• Mean temperature anomaly: 1.0 °C
• Mean temperature: 28.7 °C
• Maximum temperature anomaly: 1.3 °C
• Maximum temperature: 29.0 °C

Event center: 13.5°N 115.5°E

Area affected: 120217 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-07_to_2025-Jul-11_115.5_13.5