Category: Heat waves affecting Iran, Islamic Republic of

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 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

Heat wave occuring from July 12 2025 to July 18 2025 at 32.0°N 48.5°E

Download data: JSON

Event type: Heat wave

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

  • Iran, Islamic Republic of
  • Iraq
  • Kuwait

Duration: 7 days

Time span: July 12 2025 to July 18 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 41.3 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 43.2 °C

Event center: 32.0°N 48.5°E

Area affected: 58214 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-12_to_2025-Jul-18_48.5_32.0

Heat wave occuring from May 27 2025 to June 03 2025 at 31.0°N 51.5°E

Download data: JSON

Event type: Heat wave

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

  • Iran, Islamic Republic of

Duration: 8 days

Time span: May 27 2025 to June 03 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 24.7 °C
  • Maximum temperature anomaly: 5.4 °C
  • Maximum temperature: 31.0 °C

Event center: 31.0°N 51.5°E

Area affected: 78692 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-27_to_2025-Jun-03_51.5_31.0

Heat wave occuring from February 21 2025 to February 25 2025 at 33.0°N 57.0°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Iran, Islamic Republic of
  • Pakistan

Duration: 5 days

Time span: February 21 2025 to February 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.8 °C
  • Mean temperature: 18.6 °C
  • Maximum temperature anomaly: 10.3 °C
  • Maximum temperature: 26.7 °C

Event center: 33.0°N 57.0°E

Area affected: 286679 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-21_to_2025-Feb-25_57.0_33.0

Heat wave occuring from December 06 2024 to December 09 2024 at 26.5°N 53.0°E

Download data: JSON

Event type: Heat wave

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

  • Iran, Islamic Republic of

Duration: 4 days

Time span: December 06 2024 to December 09 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 25.7 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 26.3 °C

Event center: 26.5°N 53.0°E

Area affected: 50111 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-06_to_2024-Dec-09_53.0_26.5

Heat wave occuring from May 28 2024 to June 05 2024 at 29.0°N 48.5°E

Download data: JSON

Event type: Heat wave

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

  • Iran, Islamic Republic of
  • Iraq
  • Kuwait
  • Saudi Arabia

Duration: 9 days

Time span: May 28 2024 to June 05 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 36.8 °C
  • Maximum temperature anomaly: 4.8 °C
  • Maximum temperature: 41.6 °C

Event center: 29.0°N 48.5°E

Area affected: 108186 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-May-28_to_2024-Jun-05_48.5_29.0

Heat wave occuring from April 07 2024 to April 14 2024 at 29.0°N 49.5°E

Download data: JSON

Event type: Heat wave

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

  • Bahrain
  • Iran, Islamic Republic of
  • Kuwait
  • Saudi Arabia

Duration: 8 days

Time span: April 07 2024 to April 14 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 25.5 °C
  • Maximum temperature anomaly: 5.5 °C
  • Maximum temperature: 30.0 °C

Event center: 29.0°N 49.5°E

Area affected: 136431 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-Apr-07_to_2024-Apr-14_49.5_29.0

Heat wave occuring from March 14 2024 to March 29 2024 at 27.0°N 55.5°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Iran, Islamic Republic of
  • Oman
  • Pakistan
  • Turkmenistan

Duration: 16 days

Time span: March 14 2024 to March 29 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 5.0 °C
  • Mean temperature: 24.2 °C
  • Maximum temperature anomaly: 12.5 °C
  • Maximum temperature: 32.1 °C

Event center: 27.0°N 55.5°E

Area affected: 1078277 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-Mar-14_to_2024-Mar-29_55.5_27.0

Heat wave occuring from November 27 2023 to December 03 2023 at 31.5°N 61.5°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Iran, Islamic Republic of

Duration: 7 days

Time span: November 27 2023 to December 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 16.0 °C
  • Maximum temperature anomaly: 6.0 °C
  • Maximum temperature: 18.1 °C

Event center: 31.5°N 61.5°E

Area affected: 50084 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_2023-Nov-27_to_2023-Dec-03_61.5_31.5