Category: Heat waves affecting Myanmar

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 June 11 2025 to June 15 2025 at 22.0°N 103.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Lao People’s Democratic Republic
  • Myanmar
  • Viet Nam

Duration: 5 days

Time span: June 11 2025 to June 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 26.7 °C
  • Maximum temperature anomaly: 3.4 °C
  • Maximum temperature: 28.4 °C

Event center: 22.0°N 103.5°E

Area affected: 51635 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-11_to_2025-Jun-15_103.5_22.0

Heat wave occuring from May 17 2025 to May 22 2025 at 15.5°N 97.5°E

Download data: JSON

Event type: Heat wave

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

  • Myanmar
  • Thailand

Duration: 6 days

Time span: May 17 2025 to May 22 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 29.1 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 30.3 °C

Event center: 15.5°N 97.5°E

Area affected: 195089 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-17_to_2025-May-22_97.5_15.5

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

Heat wave occuring from April 22 2025 to April 27 2025 at 20.0°N 100.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Lao People’s Democratic Republic
  • Myanmar
  • Thailand

Duration: 6 days

Time span: April 22 2025 to April 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 29.4 °C
  • Maximum temperature anomaly: 3.5 °C
  • Maximum temperature: 35.2 °C

Event center: 20.0°N 100.0°E

Area affected: 72674 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-22_to_2025-Apr-27_100.0_20.0

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 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 February 03 2025 to February 12 2025 at 20.5°N 97.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Myanmar
  • Thailand

Duration: 10 days

Time span: February 03 2025 to February 12 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 22.0 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 27.2 °C

Event center: 20.5°N 97.0°E

Area affected: 205354 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-03_to_2025-Feb-12_97.0_20.5

Heat wave occuring from August 13 2024 to August 15 2024 at 23.0°N 93.5°E

Download data: JSON

Event type: Heat wave

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

  • Bangladesh
  • India
  • Myanmar

Duration: 3 days

Time span: August 13 2024 to August 15 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 28.1 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 30.8 °C

Event center: 23.0°N 93.5°E

Area affected: 59557 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-Aug-13_to_2024-Aug-15_93.5_23.0