Category: Heat waves affecting Iran, Islamic Republic of

(ongoing) Heat wave occuring from October 16 2022 to May 03 2026 at 10.5°N 294.0°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Albania
  • Algeria
  • Andorra
  • Angola
  • Antarctica
  • Argentina
  • Armenia
  • Aruba
  • Australia
  • Austria
  • Azerbaijan
  • Azores
  • Bahamas
  • Bahrain
  • Bangladesh
  • Belarus
  • Belgium
  • Belize
  • Benin
  • Bhutan
  • Bolivia
  • Bosnia and Herzegovina
  • Botswana
  • Brazil
  • Brunei Darussalam
  • Bulgaria
  • Burkina Faso
  • Burundi
  • Cabo Verde
  • Cambodia
  • Cameroon
  • Canada
  • Canarias
  • Central African Republic
  • Chad
  • Chile
  • China
  • Colombia
  • Congo
  • Congo DRC
  • Costa Rica
  • Croatia
  • Cuba
  • Cyprus
  • Czech Republic
  • Côte d’Ivoire
  • Denmark
  • Djibouti
  • Dominican Republic
  • Ecuador
  • Egypt
  • El Salvador
  • Equatorial Guinea
  • Eritrea
  • Estonia
  • Eswatini
  • Ethiopia
  • Falkland Islands
  • Faroe Islands
  • Fiji
  • Finland
  • France
  • French Guiana
  • French Southern Territories
  • Gabon
  • Gambia
  • Georgia
  • Germany
  • Ghana
  • Greece
  • Greenland
  • Guatemala
  • Guinea
  • Guinea-Bissau
  • Guyana
  • Haiti
  • Honduras
  • Hungary
  • Iceland
  • India
  • Indonesia
  • Iran
  • Iraq
  • Ireland
  • Israel
  • Italy
  • Jamaica
  • Japan
  • Jordan
  • Kazakhstan
  • Kenya
  • Kuwait
  • Kyrgyzstan
  • Laos
  • Latvia
  • Lebanon
  • Lesotho
  • Liberia
  • Libya
  • Lithuania
  • Luxembourg
  • Madagascar
  • Madeira
  • Malawi
  • Malaysia
  • Mali
  • Martinique
  • Mauritania
  • Mauritius
  • Mexico
  • Moldova
  • Mongolia
  • Montenegro
  • Morocco
  • Mozambique
  • Myanmar
  • Namibia
  • Nepal
  • Netherlands
  • New Caledonia
  • New Zealand
  • Nicaragua
  • Niger
  • Nigeria
  • North Korea
  • North Macedonia
  • Norway
  • Oman
  • Pakistan
  • Palau
  • Palestinian Territory
  • Panama
  • Papua New Guinea
  • Paraguay
  • Peru
  • Philippines
  • Poland
  • Portugal
  • Puerto Rico
  • Qatar
  • Romania
  • Russian Federation
  • Rwanda
  • Réunion
  • Saint Eustatius
  • Saint Lucia
  • Samoa
  • Saudi Arabia
  • Senegal
  • Serbia
  • Sierra Leone
  • Slovakia
  • Slovenia
  • Solomon Islands
  • Somalia
  • South Africa
  • South Georgia and the South Sandwich Islands
  • South Korea
  • South Sudan
  • Spain
  • Sri Lanka
  • Sudan
  • Suriname
  • Sweden
  • Switzerland
  • Syria
  • Tajikistan
  • Tanzania
  • Thailand
  • Timor-Leste
  • Togo
  • Tunisia
  • Turkiye
  • Turkmenistan
  • Turks and Caicos Islands
  • Uganda
  • Ukraine
  • United Arab Emirates
  • United Kingdom
  • United States
  • Uruguay
  • Uzbekistan
  • Vanuatu
  • Venezuela
  • Vietnam
  • Yemen
  • Zambia
  • Zimbabwe

Duration: 1296 days

Time span: October 16 2022 to May 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 18.1 °C
  • Maximum temperature anomaly: 33.2 °C
  • Maximum temperature: 46.7 °C

Event center: 10.5°N 294.0°E

Area affected: 509588681 km$^2$


Fig. 1: unavailable since event is ongoing.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2022-Oct-16_to_2026-May-03_294.0_10.5

Heat wave occuring from February 23 2026 to April 16 2026 at 46.0°N 52.0°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Austria
  • Azerbaijan
  • Belarus
  • Bhutan
  • China
  • Czech Republic
  • Denmark
  • Estonia
  • Finland
  • Georgia
  • Germany
  • Greenland
  • Hungary
  • India
  • Iran
  • Italy
  • Kazakhstan
  • Kyrgyzstan
  • Latvia
  • Lithuania
  • Mongolia
  • Nepal
  • Norway
  • Pakistan
  • Poland
  • Romania
  • Russian Federation
  • Slovakia
  • Sweden
  • Tajikistan
  • Turkiye
  • Turkmenistan
  • Ukraine
  • United Kingdom
  • Uzbekistan

Duration: 53 days

Time span: February 23 2026 to April 16 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 10.3 °C
  • Mean temperature: -4.0 °C
  • Maximum temperature anomaly: 22.3 °C
  • Maximum temperature: 27.7 °C

Event center: 46.0°N 52.0°E

Area affected: 23119180 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-Feb-23_to_2026-Apr-16_52.0_46.0

Heat wave occuring from February 03 2026 to February 05 2026 at 30.0°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
  • Pakistan

Duration: 3 days

Time span: February 03 2026 to February 05 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 6.8 °C
  • Mean temperature: 17.9 °C
  • Maximum temperature anomaly: 9.8 °C
  • Maximum temperature: 22.6 °C

Event center: 30.0°N 61.5°E

Area affected: 50691 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-Feb-03_to_2026-Feb-05_61.5_30.0

Heat wave occuring from February 01 2026 to February 04 2026 at 35.5°N 62.0°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Iran, Islamic Republic of
  • Turkmenistan

Duration: 4 days

Time span: February 01 2026 to February 04 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 7.9 °C
  • Mean temperature: 12.5 °C
  • Maximum temperature anomaly: 12.4 °C
  • Maximum temperature: 18.1 °C

Event center: 35.5°N 62.0°E

Area affected: 174300 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-Feb-01_to_2026-Feb-04_62.0_35.5

Heat wave occuring from December 28 2025 to December 30 2025 at 30.0°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
  • Pakistan

Duration: 3 days

Time span: December 28 2025 to December 30 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.8 °C
  • Mean temperature: 15.9 °C
  • Maximum temperature anomaly: 10.4 °C
  • Maximum temperature: 20.8 °C

Event center: 30.0°N 61.5°E

Area affected: 199410 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_61.5_30.0

Heat wave occuring from November 19 2025 to November 25 2025 at 26.0°N 55.5°E

Download data: JSON

Event type: Heat wave

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

  • Iran, Islamic Republic of

Duration: 7 days

Time span: November 19 2025 to November 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 26.9 °C
  • Maximum temperature anomaly: 2.8 °C
  • Maximum temperature: 28.2 °C

Event center: 26.0°N 55.5°E

Area affected: 66791 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-19_to_2025-Nov-25_55.5_26.0

Heat wave occuring from November 15 2025 to November 23 2025 at 27.5°N 52.5°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: November 15 2025 to November 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 20.8 °C
  • Maximum temperature anomaly: 5.4 °C
  • Maximum temperature: 28.7 °C

Event center: 27.5°N 52.5°E

Area affected: 132100 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_52.5_27.5

Heat wave occuring from October 28 2025 to November 01 2025 at 33.0°N 50.0°E

Download data: JSON

Event type: Heat wave

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

  • Iran, Islamic Republic of

Duration: 5 days

Time span: October 28 2025 to November 01 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 12.7 °C
  • Maximum temperature anomaly: 4.1 °C
  • Maximum temperature: 15.3 °C

Event center: 33.0°N 50.0°E

Area affected: 57399 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-28_to_2025-Nov-01_50.0_33.0

Heat wave occuring from October 23 2025 to October 30 2025 at 36.0°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: October 23 2025 to October 30 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 17.3 °C
  • Maximum temperature anomaly: 6.4 °C
  • Maximum temperature: 23.1 °C

Event center: 36.0°N 51.5°E

Area affected: 60323 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-23_to_2025-Oct-30_51.5_36.0

Heat wave occuring from September 27 2025 to November 04 2025 at 33.0°N 50.0°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Armenia
  • Azerbaijan
  • Georgia
  • Iran, Islamic Republic of
  • Iraq
  • Oman
  • Pakistan
  • Russian Federation
  • Saudi Arabia
  • Syrian Arab Republic
  • Türkiye
  • United Arab Emirates

Duration: 39 days

Time span: September 27 2025 to November 04 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.2 °C
  • Mean temperature: 22.8 °C
  • Maximum temperature anomaly: 8.5 °C
  • Maximum temperature: 32.7 °C

Event center: 33.0°N 50.0°E

Area affected: 2153300 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-27_to_2025-Nov-04_50.0_33.0