Category: Heat waves affecting Kazakhstan

Heat wave occuring from December 13 2025 to December 18 2025 at 45.5°N 91.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Kazakhstan
  • Mongolia
  • Russian Federation

Duration: 6 days

Time span: December 13 2025 to December 18 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 8.1 °C
  • Mean temperature: -8.7 °C
  • Maximum temperature anomaly: 14.2 °C
  • Maximum temperature: 0.2 °C

Event center: 45.5°N 91.5°E

Area affected: 776249 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-Dec-13_to_2025-Dec-18_91.5_45.5

Heat wave occuring from November 29 2025 to December 05 2025 at 46.0°N 50.5°E

Download data: JSON

Event type: Heat wave

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

  • Kazakhstan

Duration: 7 days

Time span: November 29 2025 to December 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 4.5 °C
  • Maximum temperature anomaly: 6.9 °C
  • Maximum temperature: 6.8 °C

Event center: 46.0°N 50.5°E

Area affected: 74364 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-29_to_2025-Dec-05_50.5_46.0

Heat wave occuring from October 24 2025 to November 02 2025 at 46.5°N 54.0°E

Download data: JSON

Event type: Heat wave

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

  • Kazakhstan
  • Russian Federation

Duration: 10 days

Time span: October 24 2025 to November 02 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.8 °C
  • Mean temperature: 6.2 °C
  • Maximum temperature anomaly: 10.9 °C
  • Maximum temperature: 15.5 °C

Event center: 46.5°N 54.0°E

Area affected: 1745182 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-24_to_2025-Nov-02_54.0_46.5

Heat wave occuring from October 22 2025 to October 25 2025 at 47.0°N 65.0°E

Download data: JSON

Event type: Heat wave

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

  • Kazakhstan

Duration: 4 days

Time span: October 22 2025 to October 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.9 °C
  • Mean temperature: 12.4 °C
  • Maximum temperature anomaly: 8.5 °C
  • Maximum temperature: 15.2 °C

Event center: 47.0°N 65.0°E

Area affected: 81911 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-22_to_2025-Oct-25_65.0_47.0

Heat wave occuring from September 26 2025 to September 30 2025 at 45.5°N 80.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Kazakhstan

Duration: 5 days

Time span: September 26 2025 to September 30 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: 18.4 °C
  • Maximum temperature anomaly: 7.4 °C
  • Maximum temperature: 22.2 °C

Event center: 45.5°N 80.5°E

Area affected: 64628 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-Sep-26_to_2025-Sep-30_80.5_45.5

Heat wave occuring from September 22 2025 to September 24 2025 at 53.0°N 50.5°E

Download data: JSON

Event type: Heat wave

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

  • Kazakhstan
  • Russian Federation
  • Ukraine

Duration: 3 days

Time span: September 22 2025 to September 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.8 °C
  • Mean temperature: 19.5 °C
  • Maximum temperature anomaly: 11.6 °C
  • Maximum temperature: 23.0 °C

Event center: 53.0°N 50.5°E

Area affected: 256726 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-Sep-22_to_2025-Sep-24_50.5_53.0

Heat wave occuring from September 03 2025 to September 05 2025 at 52.5°N 61.0°E

Download data: JSON

Event type: Heat wave

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

  • Kazakhstan
  • Russian Federation

Duration: 3 days

Time span: September 03 2025 to September 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.4 °C
  • Mean temperature: 22.7 °C
  • Maximum temperature anomaly: 10.0 °C
  • Maximum temperature: 26.4 °C

Event center: 52.5°N 61.0°E

Area affected: 88882 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-Sep-03_to_2025-Sep-05_61.0_52.5

Heat wave occuring from August 31 2025 to September 02 2025 at 49.5°N 46.5°E

Download data: JSON

Event type: Heat wave

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

  • Kazakhstan
  • Russian Federation

Duration: 3 days

Time span: August 31 2025 to September 02 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.4 °C
  • Mean temperature: 26.1 °C
  • Maximum temperature anomaly: 9.9 °C
  • Maximum temperature: 29.3 °C

Event center: 49.5°N 46.5°E

Area affected: 267043 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-31_to_2025-Sep-02_46.5_49.5

Heat wave occuring from August 26 2025 to August 28 2025 at 57.5°N 74.5°E

Download data: JSON

Event type: Heat wave

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

  • Kazakhstan
  • Russian Federation

Duration: 3 days

Time span: August 26 2025 to August 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.8 °C
  • Mean temperature: 21.0 °C
  • Maximum temperature anomaly: 8.2 °C
  • Maximum temperature: 23.9 °C

Event center: 57.5°N 74.5°E

Area affected: 95154 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-26_to_2025-Aug-28_74.5_57.5

Heat wave occuring from August 25 2025 to August 29 2025 at 49.0°N 66.5°E

Download data: JSON

Event type: Heat wave

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

  • Kazakhstan
  • Uzbekistan

Duration: 5 days

Time span: August 25 2025 to August 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.1 °C
  • Mean temperature: 27.5 °C
  • Maximum temperature anomaly: 9.4 °C
  • Maximum temperature: 31.0 °C

Event center: 49.0°N 66.5°E

Area affected: 301871 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-25_to_2025-Aug-29_66.5_49.0