Category: Extremes affecting Iran, Islamic Republic of

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

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

Cold spell occuring from February 16 2025 to March 04 2025 at 43.0°N 48.0°E

Download data: JSON

Event type: Cold spell

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

  • Albania
  • Armenia
  • Azerbaijan
  • Bahrain
  • Bulgaria
  • Cyprus
  • Egypt
  • Georgia
  • Greece
  • Hungary
  • Iran, Islamic Republic of
  • Iraq
  • Israel
  • Jordan
  • Kazakhstan
  • Kuwait
  • Lebanon
  • Libya
  • Moldova, Republic of
  • Montenegro
  • North Macedonia
  • Qatar
  • Romania
  • Russian Federation
  • Saudi Arabia
  • Serbia
  • Slovakia
  • Syrian Arab Republic
  • Turkmenistan
  • Türkiye
  • Ukraine
  • United Arab Emirates
  • Uzbekistan

Duration: 17 days

Time span: February 16 2025 to March 04 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.8 °C
  • Mean temperature: 0.8 °C
  • Minimum temperature anomaly: -19.9 °C
  • Minimum temperature: -21.0 °C

Event center: 43.0°N 48.0°E

Area affected: 7275702 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-Feb-16_to_2025-Mar-04_48.0_43.0

Cold spell occuring from February 09 2025 to February 13 2025 at 36.0°N 58.0°E

Download data: JSON

Event type: Cold spell

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

  • Iran, Islamic Republic of

Duration: 5 days

Time span: February 09 2025 to February 13 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -7.7 °C
  • Mean temperature: -3.9 °C
  • Minimum temperature anomaly: -12.0 °C
  • Minimum temperature: -12.0 °C

Event center: 36.0°N 58.0°E

Area affected: 72580 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-Feb-09_to_2025-Feb-13_58.0_36.0

Cold spell occuring from January 30 2025 to February 01 2025 at 28.0°N 62.0°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

Duration: 3 days

Time span: January 30 2025 to February 01 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.9 °C
  • Mean temperature: 6.1 °C
  • Minimum temperature anomaly: -8.3 °C
  • Minimum temperature: 1.1 °C

Event center: 28.0°N 62.0°E

Area affected: 68094 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-Jan-30_to_2025-Feb-01_62.0_28.0

Cold spell occuring from January 03 2025 to January 06 2025 at 27.5°N 62.5°E

Download data: JSON

Event type: Cold spell

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

  • Iran, Islamic Republic of
  • Pakistan

Duration: 4 days

Time span: January 03 2025 to January 06 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.6 °C
  • Mean temperature: 5.9 °C
  • Minimum temperature anomaly: -7.8 °C
  • Minimum temperature: 0.6 °C

Event center: 27.5°N 62.5°E

Area affected: 60415 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-Jan-03_to_2025-Jan-06_62.5_27.5

Cold spell occuring from January 02 2025 to January 05 2025 at 30.5°N 55.0°E

Download data: JSON

Event type: Cold spell

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

  • Iran, Islamic Republic of

Duration: 4 days

Time span: January 02 2025 to January 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.5 °C
  • Mean temperature: 0.3 °C
  • Minimum temperature anomaly: -13.0 °C
  • Minimum temperature: -9.8 °C

Event center: 30.5°N 55.0°E

Area affected: 174599 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-Jan-02_to_2025-Jan-05_55.0_30.5