Category: Cold spells affecting Iran, Islamic Republic of

Cold spell occuring from November 04 2025 to November 09 2025 at 26.5°N 64.5°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • Iran, Islamic Republic of
  • Pakistan

Duration: 6 days

Time span: November 04 2025 to November 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 15.9 °C
  • Minimum temperature anomaly: -6.6 °C
  • Minimum temperature: 11.4 °C

Event center: 26.5°N 64.5°E

Area affected: 128214 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: Cold_spell_2025-Nov-04_to_2025-Nov-09_64.5_26.5

Cold spell occuring from September 19 2025 to September 27 2025 at 32.0°N 44.5°E

Download data: JSON

Event type: Cold spell

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

  • Armenia
  • Azerbaijan
  • Georgia
  • Iran, Islamic Republic of
  • Iraq
  • Kuwait
  • Russian Federation
  • Saudi Arabia
  • Turkmenistan
  • Türkiye

Duration: 9 days

Time span: September 19 2025 to September 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 19.8 °C
  • Minimum temperature anomaly: -9.4 °C
  • Minimum temperature: 0.2 °C

Event center: 32.0°N 44.5°E

Area affected: 913134 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: Cold_spell_2025-Sep-19_to_2025-Sep-27_44.5_32.0

Cold spell occuring from September 12 2025 to September 19 2025 at 41.0°N 46.0°E

Download data: JSON

Event type: Cold spell

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

  • Armenia
  • Azerbaijan
  • Georgia
  • Iran, Islamic Republic of
  • Kazakhstan
  • Russian Federation

Duration: 8 days

Time span: September 12 2025 to September 19 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 15.4 °C
  • Minimum temperature anomaly: -7.9 °C
  • Minimum temperature: 0.1 °C

Event center: 41.0°N 46.0°E

Area affected: 310852 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: Cold_spell_2025-Sep-12_to_2025-Sep-19_46.0_41.0

Cold spell occuring from June 29 2025 to July 09 2025 at 40.5°N 39.0°E

Download data: JSON

Event type: Cold spell

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

  • Armenia
  • Azerbaijan
  • Georgia
  • Iran, Islamic Republic of
  • Iraq
  • Russian Federation
  • Saudi Arabia
  • Syrian Arab Republic
  • Türkiye

Duration: 11 days

Time span: June 29 2025 to July 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 21.1 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: 7.1 °C

Event center: 40.5°N 39.0°E

Area affected: 760122 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: Cold_spell_2025-Jun-29_to_2025-Jul-09_39.0_40.5

Cold spell occuring from June 04 2025 to June 12 2025 at 30.0°N 48.5°E

Download data: JSON

Event type: Cold spell

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

  • Iran, Islamic Republic of
  • Iraq

Duration: 9 days

Time span: June 04 2025 to June 12 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 29.2 °C
  • Minimum temperature anomaly: -5.6 °C
  • Minimum temperature: 22.1 °C

Event center: 30.0°N 48.5°E

Area affected: 179006 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: Cold_spell_2025-Jun-04_to_2025-Jun-12_48.5_30.0

Cold spell occuring from June 04 2025 to June 11 2025 at 35.5°N 54.0°E

Download data: JSON

Event type: Cold spell

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

  • Iran, Islamic Republic of
  • Turkmenistan

Duration: 8 days

Time span: June 04 2025 to June 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.1 °C
  • Mean temperature: 21.5 °C
  • Minimum temperature anomaly: -10.2 °C
  • Minimum temperature: 6.6 °C

Event center: 35.5°N 54.0°E

Area affected: 411531 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: Cold_spell_2025-Jun-04_to_2025-Jun-11_54.0_35.5

Cold spell occuring from April 18 2025 to April 21 2025 at 35.0°N 64.0°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • Iran, Islamic Republic of
  • Pakistan
  • Tajikistan
  • Turkmenistan
  • Uzbekistan

Duration: 4 days

Time span: April 18 2025 to April 21 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.3 °C
  • Mean temperature: 13.7 °C
  • Minimum temperature anomaly: -8.7 °C
  • Minimum temperature: -1.5 °C

Event center: 35.0°N 64.0°E

Area affected: 382261 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: Cold_spell_2025-Apr-18_to_2025-Apr-21_64.0_35.0

Cold spell occuring from April 15 2025 to April 19 2025 at 38.0°N 44.5°E

Download data: JSON

Event type: Cold spell

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

  • Armenia
  • Azerbaijan
  • Iran, Islamic Republic of
  • Türkiye

Duration: 5 days

Time span: April 15 2025 to April 19 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.5 °C
  • Mean temperature: 4.6 °C
  • Minimum temperature anomaly: -8.8 °C
  • Minimum temperature: -1.2 °C

Event center: 38.0°N 44.5°E

Area affected: 130938 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: Cold_spell_2025-Apr-15_to_2025-Apr-19_44.5_38.0

Cold spell occuring from April 06 2025 to April 18 2025 at 39.5°N 37.5°E

Download data: JSON

Event type: Cold spell

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

  • Albania
  • Belarus
  • Bosnia and Herzegovina
  • Bulgaria
  • Croatia
  • Estonia
  • Georgia
  • Greece
  • Hungary
  • Iran, Islamic Republic of
  • Iraq
  • Italy
  • Jordan
  • Kazakhstan
  • Kuwait
  • Latvia
  • Lebanon
  • Lithuania
  • Moldova, Republic of
  • Montenegro
  • North Macedonia
  • Romania
  • Russian Federation
  • Saudi Arabia
  • Serbia
  • Slovakia
  • Syrian Arab Republic
  • Türkiye
  • Ukraine

Duration: 13 days

Time span: April 06 2025 to April 18 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.2 °C
  • Mean temperature: 3.6 °C
  • Minimum temperature anomaly: -14.9 °C
  • Minimum temperature: -9.7 °C

Event center: 39.5°N 37.5°E

Area affected: 4258242 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: Cold_spell_2025-Apr-06_to_2025-Apr-18_37.5_39.5

Cold spell occuring from March 24 2025 to April 01 2025 at 35.0°N 64.5°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • Iran, Islamic Republic of
  • Pakistan
  • Tajikistan
  • Turkmenistan
  • Uzbekistan

Duration: 9 days

Time span: March 24 2025 to April 01 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -7.0 °C
  • Mean temperature: 7.7 °C
  • Minimum temperature anomaly: -11.8 °C
  • Minimum temperature: -10.8 °C

Event center: 35.0°N 64.5°E

Area affected: 799885 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: Cold_spell_2025-Mar-24_to_2025-Apr-01_64.5_35.0