Category: Extremes affecting Kazakhstan

Cold spell occuring from September 12 2025 to September 19 2025 at 41.0°N 46.0°E

Download data: JSON

Event type: Cold spell

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

  • Armenia
  • Azerbaijan
  • Georgia
  • Iran, Islamic Republic of
  • Kazakhstan
  • Russian Federation

Duration: 8 days

Time span: September 12 2025 to September 19 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 15.4 °C
  • Minimum temperature anomaly: -7.9 °C
  • Minimum temperature: 0.1 °C

Event center: 41.0°N 46.0°E

Area affected: 310852 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-Sep-12_to_2025-Sep-19_46.0_41.0

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

Heat wave occuring from August 25 2025 to August 27 2025 at 48.0°N 58.0°E

Download data: JSON

Event type: Heat wave

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

  • Kazakhstan

Duration: 3 days

Time span: August 25 2025 to August 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.4 °C
  • Mean temperature: 27.6 °C
  • Maximum temperature anomaly: 7.9 °C
  • Maximum temperature: 30.6 °C

Event center: 48.0°N 58.0°E

Area affected: 53288 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-27_58.0_48.0

Cold spell occuring from August 03 2025 to August 10 2025 at 53.5°N 85.5°E

Download data: JSON

Event type: Cold spell

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

  • Kazakhstan
  • Russian Federation

Duration: 8 days

Time span: August 03 2025 to August 10 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.1 °C
  • Mean temperature: 11.9 °C
  • Minimum temperature anomaly: -10.1 °C
  • Minimum temperature: 3.7 °C

Event center: 53.5°N 85.5°E

Area affected: 1473308 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-03_to_2025-Aug-10_85.5_53.5

Cold spell occuring from July 26 2025 to July 29 2025 at 48.0°N 60.0°E

Download data: JSON

Event type: Cold spell

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

  • Kazakhstan

Duration: 4 days

Time span: July 26 2025 to July 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.9 °C
  • Mean temperature: 18.9 °C
  • Minimum temperature anomaly: -7.7 °C
  • Minimum temperature: 15.2 °C

Event center: 48.0°N 60.0°E

Area affected: 132661 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-26_to_2025-Jul-29_60.0_48.0

Heat wave occuring from July 18 2025 to July 21 2025 at 46.5°N 49.0°E

Download data: JSON

Event type: Heat wave

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

  • Kazakhstan
  • Russian Federation

Duration: 4 days

Time span: July 18 2025 to July 21 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 31.0 °C
  • Maximum temperature anomaly: 5.7 °C
  • Maximum temperature: 32.6 °C

Event center: 46.5°N 49.0°E

Area affected: 57209 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-18_to_2025-Jul-21_49.0_46.5

Heat wave occuring from July 16 2025 to July 19 2025 at 42.0°N 57.5°E

Download data: JSON

Event type: Heat wave

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

  • Iran, Islamic Republic of
  • Kazakhstan
  • Turkmenistan
  • Uzbekistan

Duration: 4 days

Time span: July 16 2025 to July 19 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 35.8 °C
  • Maximum temperature anomaly: 7.9 °C
  • Maximum temperature: 40.2 °C

Event center: 42.0°N 57.5°E

Area affected: 204719 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-16_to_2025-Jul-19_57.5_42.0