Category: Heat waves affecting India

Heat wave occuring from October 10 2025 to October 24 2025 at 17.0°N 73.5°E

Download data: JSON

Event type: Heat wave

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

  • India

Duration: 15 days

Time span: October 10 2025 to October 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 3.4 °C
  • Maximum temperature: 31.1 °C

Event center: 17.0°N 73.5°E

Area affected: 124447 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-10_to_2025-Oct-24_73.5_17.0

Heat wave occuring from October 03 2025 to October 10 2025 at 23.5°N 94.0°E

Download data: JSON

Event type: Heat wave

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

  • India
  • Myanmar

Duration: 8 days

Time span: October 03 2025 to October 10 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 26.7 °C
  • Maximum temperature anomaly: 3.0 °C
  • Maximum temperature: 29.5 °C

Event center: 23.5°N 94.0°E

Area affected: 59475 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-03_to_2025-Oct-10_94.0_23.5

Heat wave occuring from September 11 2025 to September 16 2025 at 15.5°N 97.0°E

Download data: JSON

Event type: Heat wave

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

  • India
  • Myanmar
  • Thailand

Duration: 6 days

Time span: September 11 2025 to September 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 27.6 °C
  • Maximum temperature anomaly: 1.6 °C
  • Maximum temperature: 28.1 °C

Event center: 15.5°N 97.0°E

Area affected: 116501 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-11_to_2025-Sep-16_97.0_15.5

Heat wave occuring from August 11 2025 to August 30 2025 at 28.0°N 87.0°E

Download data: JSON

Event type: Heat wave

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

  • Bangladesh
  • Bhutan
  • China
  • India
  • Nepal

Duration: 20 days

Time span: August 11 2025 to August 30 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 14.8 °C
  • Maximum temperature anomaly: 3.5 °C
  • Maximum temperature: 32.2 °C

Event center: 28.0°N 87.0°E

Area affected: 383708 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-11_to_2025-Aug-30_87.0_28.0

Heat wave occuring from August 07 2025 to August 26 2025 at 25.5°N 62.0°E

Download data: JSON

Event type: Heat wave

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

  • India
  • Iran, Islamic Republic of
  • Pakistan

Duration: 20 days

Time span: August 07 2025 to August 26 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 31.4 °C
  • Maximum temperature anomaly: 4.1 °C
  • Maximum temperature: 35.5 °C

Event center: 25.5°N 62.0°E

Area affected: 240841 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-07_to_2025-Aug-26_62.0_25.5

Heat wave occuring from July 16 2025 to July 20 2025 at 20.0°N 73.5°E

Download data: JSON

Event type: Heat wave

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

  • India

Duration: 5 days

Time span: July 16 2025 to July 20 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 26.4 °C
  • Maximum temperature anomaly: 2.3 °C
  • Maximum temperature: 29.1 °C

Event center: 20.0°N 73.5°E

Area affected: 73164 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-20_73.5_20.0

Heat wave occuring from June 15 2025 to July 03 2025 at 14.5°N 72.0°E

Download data: JSON

Event type: Heat wave

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

  • India

Duration: 19 days

Time span: June 15 2025 to July 03 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 0.9 °C
  • Mean temperature: 28.5 °C
  • Maximum temperature anomaly: 1.7 °C
  • Maximum temperature: 29.1 °C

Event center: 14.5°N 72.0°E

Area affected: 266938 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-Jun-15_to_2025-Jul-03_72.0_14.5

Heat wave occuring from June 08 2025 to June 13 2025 at 27.0°N 81.5°E

Download data: JSON

Event type: Heat wave

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

  • India
  • Nepal

Duration: 6 days

Time span: June 08 2025 to June 13 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 37.3 °C
  • Maximum temperature anomaly: 4.2 °C
  • Maximum temperature: 39.3 °C

Event center: 27.0°N 81.5°E

Area affected: 96826 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-Jun-08_to_2025-Jun-13_81.5_27.0

Heat wave occuring from June 03 2025 to June 15 2025 at 16.0°N 69.0°E

Download data: JSON

Event type: Heat wave

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

  • India
  • Maldives

Duration: 13 days

Time span: June 03 2025 to June 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 29.1 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 30.2 °C

Event center: 16.0°N 69.0°E

Area affected: 1175479 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-Jun-03_to_2025-Jun-15_69.0_16.0

Heat wave occuring from May 07 2025 to May 16 2025 at 22.5°N 91.5°E

Download data: JSON

Event type: Heat wave

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

  • Bangladesh
  • India
  • Myanmar
  • Nepal

Duration: 10 days

Time span: May 07 2025 to May 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 30.6 °C
  • Maximum temperature anomaly: 4.6 °C
  • Maximum temperature: 34.6 °C

Event center: 22.5°N 91.5°E

Area affected: 332451 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-May-07_to_2025-May-16_91.5_22.5