Category: Cold spells affecting China

Cold spell occuring from August 23 2025 to September 08 2025 at 34.0°N 77.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • India
  • Pakistan

Duration: 17 days

Time span: August 23 2025 to September 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 9.6 °C
  • Minimum temperature anomaly: -11.6 °C
  • Minimum temperature: -14.5 °C

Event center: 34.0°N 77.0°E

Area affected: 1124350 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-23_to_2025-Sep-08_77.0_34.0

Cold spell occuring from August 11 2025 to August 13 2025 at 48.5°N 113.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Mongolia
  • Russian Federation

Duration: 3 days

Time span: August 11 2025 to August 13 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 12.3 °C
  • Minimum temperature anomaly: -6.9 °C
  • Minimum temperature: 7.2 °C

Event center: 48.5°N 113.0°E

Area affected: 129541 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-11_to_2025-Aug-13_113.0_48.5

Cold spell occuring from August 04 2025 to August 07 2025 at 24.5°N 113.5°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 4 days

Time span: August 04 2025 to August 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: 25.1 °C
  • Minimum temperature anomaly: -4.2 °C
  • Minimum temperature: 23.3 °C

Event center: 24.5°N 113.5°E

Area affected: 146849 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-04_to_2025-Aug-07_113.5_24.5

Cold spell occuring from July 02 2025 to July 08 2025 at 33.0°N 91.0°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 7 days

Time span: July 02 2025 to July 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 4.8 °C
  • Minimum temperature anomaly: -8.8 °C
  • Minimum temperature: -4.1 °C

Event center: 33.0°N 91.0°E

Area affected: 822595 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-02_to_2025-Jul-08_91.0_33.0

Cold spell occuring from June 20 2025 to June 25 2025 at 23.5°N 103.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Viet Nam

Duration: 6 days

Time span: June 20 2025 to June 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 20.4 °C
  • Minimum temperature anomaly: -4.7 °C
  • Minimum temperature: 15.4 °C

Event center: 23.5°N 103.0°E

Area affected: 90241 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-20_to_2025-Jun-25_103.0_23.5

Cold spell occuring from June 16 2025 to June 20 2025 at 51.0°N 119.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Mongolia
  • Russian Federation

Duration: 5 days

Time span: June 16 2025 to June 20 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.4 °C
  • Mean temperature: 12.5 °C
  • Minimum temperature anomaly: -8.3 °C
  • Minimum temperature: 8.8 °C

Event center: 51.0°N 119.0°E

Area affected: 101453 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-16_to_2025-Jun-20_119.0_51.0

Cold spell occuring from June 07 2025 to June 10 2025 at 33.5°N 97.0°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 4 days

Time span: June 07 2025 to June 10 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 0.8 °C
  • Minimum temperature anomaly: -6.7 °C
  • Minimum temperature: -3.8 °C

Event center: 33.5°N 97.0°E

Area affected: 64213 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-07_to_2025-Jun-10_97.0_33.5

Cold spell occuring from June 01 2025 to June 04 2025 at 33.5°N 102.0°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 4 days

Time span: June 01 2025 to June 04 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.3 °C
  • Mean temperature: 2.0 °C
  • Minimum temperature anomaly: -7.8 °C
  • Minimum temperature: -4.6 °C

Event center: 33.5°N 102.0°E

Area affected: 122138 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-01_to_2025-Jun-04_102.0_33.5

Cold spell occuring from May 31 2025 to June 02 2025 at 32.0°N 117.5°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 3 days

Time span: May 31 2025 to June 02 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.6 °C
  • Mean temperature: 19.2 °C
  • Minimum temperature anomaly: -5.7 °C
  • Minimum temperature: 16.5 °C

Event center: 32.0°N 117.5°E

Area affected: 89515 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-May-31_to_2025-Jun-02_117.5_32.0

Cold spell occuring from May 30 2025 to June 11 2025 at 29.5°N 85.5°E

Download data: JSON

Event type: Cold spell

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

  • Bhutan
  • China
  • Nepal

Duration: 13 days

Time span: May 30 2025 to June 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: -2.6 °C
  • Minimum temperature anomaly: -11.4 °C
  • Minimum temperature: -14.6 °C

Event center: 29.5°N 85.5°E

Area affected: 711396 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-May-30_to_2025-Jun-11_85.5_29.5