Category: Heat waves affecting Russian Federation

Heat wave occuring from January 08 2026 to February 05 2026 at 58.0°N 142.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Russian Federation
  • Svalbard and Jan Mayen
  • United States

Duration: 29 days

Time span: January 08 2026 to February 05 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 11.4 °C
  • Mean temperature: -10.1 °C
  • Maximum temperature anomaly: 32.3 °C
  • Maximum temperature: 17.2 °C

Event center: 58.0°N 142.5°E

Area affected: 11950817 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_2026-Jan-08_to_2026-Feb-05_142.5_58.0

Heat wave occuring from December 28 2025 to December 30 2025 at 64.5°N 184.5°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 3 days

Time span: December 28 2025 to December 30 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 10.5 °C
  • Mean temperature: -0.3 °C
  • Maximum temperature anomaly: 12.8 °C
  • Maximum temperature: 1.5 °C

Event center: 64.5°N 184.5°E

Area affected: 54417 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-28_to_2025-Dec-30_184.5_64.5

Heat wave occuring from December 14 2025 to December 16 2025 at 73.0°N 133.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 3 days

Time span: December 14 2025 to December 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 9.0 °C
  • Mean temperature: -17.6 °C
  • Maximum temperature anomaly: 13.9 °C
  • Maximum temperature: -15.2 °C

Event center: 73.0°N 133.0°E

Area affected: 75623 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-14_to_2025-Dec-16_133.0_73.0

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 December 05 2025 to December 08 2025 at 73.0°N 133.5°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 4 days

Time span: December 05 2025 to December 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 8.3 °C
  • Mean temperature: -16.8 °C
  • Maximum temperature anomaly: 12.9 °C
  • Maximum temperature: -14.6 °C

Event center: 73.0°N 133.5°E

Area affected: 97945 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-05_to_2025-Dec-08_133.5_73.0

Heat wave occuring from December 03 2025 to December 05 2025 at 59.5°N 109.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 3 days

Time span: December 03 2025 to December 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 13.1 °C
  • Mean temperature: -6.7 °C
  • Maximum temperature anomaly: 19.1 °C
  • Maximum temperature: -2.5 °C

Event center: 59.5°N 109.0°E

Area affected: 121039 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-03_to_2025-Dec-05_109.0_59.5

Heat wave occuring from November 26 2025 to January 09 2026 at 43.5°N 172.5°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation
  • United States

Duration: 45 days

Time span: November 26 2025 to January 09 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 6.9 °C
  • Mean temperature: 2.7 °C
  • Maximum temperature anomaly: 34.5 °C
  • Maximum temperature: 26.0 °C

Event center: 43.5°N 172.5°E

Area affected: 12313111 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_2026-Jan-09_172.5_43.5

Heat wave occuring from November 17 2025 to November 28 2025 at 50.5°N 105.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Mongolia
  • Russian Federation

Duration: 12 days

Time span: November 17 2025 to November 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 10.9 °C
  • Mean temperature: -5.0 °C
  • Maximum temperature anomaly: 18.8 °C
  • Maximum temperature: 4.9 °C

Event center: 50.5°N 105.5°E

Area affected: 582941 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-17_to_2025-Nov-28_105.5_50.5

Heat wave occuring from November 15 2025 to November 23 2025 at 58.0°N 128.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 9 days

Time span: November 15 2025 to November 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 13.8 °C
  • Mean temperature: -10.6 °C
  • Maximum temperature anomaly: 21.5 °C
  • Maximum temperature: -2.2 °C

Event center: 58.0°N 128.0°E

Area affected: 1417989 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-15_to_2025-Nov-23_128.0_58.0

Heat wave occuring from November 14 2025 to November 18 2025 at 70.5°N 63.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 5 days

Time span: November 14 2025 to November 18 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.6 °C
  • Mean temperature: 0.1 °C
  • Maximum temperature anomaly: 8.9 °C
  • Maximum temperature: 1.9 °C

Event center: 70.5°N 63.0°E

Area affected: 154562 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-14_to_2025-Nov-18_63.0_70.5