Category: Cold spells affecting Iran, Islamic Republic of

Download data: JSON

Event type: Cold spell

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

• Iran
• Iraq

Duration: 4 days

Time span: May 29 2026 to June 01 2026

Statistics over entire affected area:

• Mean temperature anomaly: -3.7 °C
• Mean temperature: 28.9 °C
• Minimum temperature anomaly: -5.0 °C
• Minimum temperature: 19.0 °C

Event center: 34.0°N 45.0°E

Area affected: 84772 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_2026-May-29_to_2026-Jun-01_45.0_34.0

Download data: JSON

Event type: Cold spell

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

• Iran
• Iraq

Duration: 5 days

Time span: May 19 2026 to May 23 2026

Statistics over entire affected area:

• Mean temperature anomaly: -4.3 °C
• Mean temperature: 24.8 °C
• Minimum temperature anomaly: -6.4 °C
• Minimum temperature: 9.9 °C

Event center: 35.0°N 46.0°E

Area affected: 129428 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_2026-May-19_to_2026-May-23_46.0_35.0

Download data: JSON

Event type: Cold spell

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

• Iran
• Iraq

Duration: 7 days

Time span: May 17 2026 to May 23 2026

Statistics over entire affected area:

• Mean temperature anomaly: -2.3 °C
• Mean temperature: 27.9 °C
• Minimum temperature anomaly: -4.9 °C
• Minimum temperature: 25.4 °C

Event center: 29.5°N 49.0°E

Area affected: 102673 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_2026-May-17_to_2026-May-23_49.0_29.5