Category: Heat waves affecting India

Heat wave occuring from April 21 2025 to April 27 2025 at 25.5°N 92.0°E

Download data: JSON

Event type: Heat wave

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

  • Bangladesh
  • China
  • India
  • Myanmar

Duration: 7 days

Time span: April 21 2025 to April 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 6.5 °C
  • Maximum temperature: 33.8 °C

Event center: 25.5°N 92.0°E

Area affected: 182501 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-Apr-21_to_2025-Apr-27_92.0_25.5

Heat wave occuring from April 14 2025 to April 25 2025 at 19.5°N 76.0°E

Download data: JSON

Event type: Heat wave

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

  • India

Duration: 12 days

Time span: April 14 2025 to April 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 34.7 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 37.4 °C

Event center: 19.5°N 76.0°E

Area affected: 293928 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-Apr-14_to_2025-Apr-25_76.0_19.5

Heat wave occuring from April 10 2025 to April 28 2025 at 19.5°N 85.5°E

Download data: JSON

Event type: Heat wave

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

  • Bangladesh
  • India
  • Myanmar

Duration: 19 days

Time span: April 10 2025 to April 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 0.9 °C
  • Mean temperature: 29.5 °C
  • Maximum temperature anomaly: 3.3 °C
  • Maximum temperature: 33.8 °C

Event center: 19.5°N 85.5°E

Area affected: 743022 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-Apr-10_to_2025-Apr-28_85.5_19.5

Heat wave occuring from April 01 2025 to April 10 2025 at 16.0°N 96.5°E

Download data: JSON

Event type: Heat wave

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

  • India
  • Myanmar

Duration: 10 days

Time span: April 01 2025 to April 10 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 0.9 °C
  • Mean temperature: 28.7 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 30.6 °C

Event center: 16.0°N 96.5°E

Area affected: 613254 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-Apr-01_to_2025-Apr-10_96.5_16.0

Heat wave occuring from March 26 2025 to April 01 2025 at 18.5°N 82.0°E

Download data: JSON

Event type: Heat wave

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

  • India

Duration: 7 days

Time span: March 26 2025 to April 01 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 30.5 °C
  • Maximum temperature anomaly: 3.4 °C
  • Maximum temperature: 35.4 °C

Event center: 18.5°N 82.0°E

Area affected: 335724 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-Mar-26_to_2025-Apr-01_82.0_18.5

Heat wave occuring from March 21 2025 to March 25 2025 at 23.5°N 64.0°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: March 21 2025 to March 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 26.5 °C
  • Maximum temperature anomaly: 2.1 °C
  • Maximum temperature: 27.8 °C

Event center: 23.5°N 64.0°E

Area affected: 295026 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-Mar-21_to_2025-Mar-25_64.0_23.5

Heat wave occuring from March 09 2025 to March 14 2025 at 33.5°N 76.5°E

Download data: JSON

Event type: Heat wave

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

  • India

Duration: 6 days

Time span: March 09 2025 to March 14 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: -9.1 °C
  • Maximum temperature anomaly: 6.3 °C
  • Maximum temperature: 7.5 °C

Event center: 33.5°N 76.5°E

Area affected: 67008 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-Mar-09_to_2025-Mar-14_76.5_33.5

Heat wave occuring from February 25 2025 to March 21 2025 at 28.0°N 89.0°E

Download data: JSON

Event type: Heat wave

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

  • Bhutan
  • China
  • India
  • Nepal

Duration: 25 days

Time span: February 25 2025 to March 21 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: -5.3 °C
  • Maximum temperature anomaly: 9.3 °C
  • Maximum temperature: 27.5 °C

Event center: 28.0°N 89.0°E

Area affected: 793230 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-Feb-25_to_2025-Mar-21_89.0_28.0

Heat wave occuring from December 11 2024 to December 20 2024 at 28.5°N 89.5°E

Download data: JSON

Event type: Heat wave

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

  • Bhutan
  • China
  • India
  • Nepal

Duration: 10 days

Time span: December 11 2024 to December 20 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 5.1 °C
  • Mean temperature: -2.8 °C
  • Maximum temperature anomaly: 9.3 °C
  • Maximum temperature: 15.0 °C

Event center: 28.5°N 89.5°E

Area affected: 124584 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_2024-Dec-11_to_2024-Dec-20_89.5_28.5

Heat wave occuring from September 18 2024 to September 23 2024 at 19.5°N 73.0°E

Download data: JSON

Event type: Heat wave

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

  • India

Duration: 6 days

Time span: September 18 2024 to September 23 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 27.9 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 28.7 °C

Event center: 19.5°N 73.0°E

Area affected: 67155 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_2024-Sep-18_to_2024-Sep-23_73.0_19.5