Category: Heat waves affecting Spain

Download data: JSON

Event type: Heat wave

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

• Spain

Duration: 7 days

Time span: March 31 2026 to April 06 2026

Statistics over entire affected area:

• Mean temperature anomaly: 1.8 °C
• Mean temperature: 17.6 °C
• Maximum temperature anomaly: 3.8 °C
• Maximum temperature: 20.2 °C

Event center: 37.0°N 353.0°E

Area affected: 181151 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-Mar-31_to_2026-Apr-06_353.0_37.0

Download data: JSON

Event type: Heat wave

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

• Spain

Duration: 3 days

Time span: February 15 2026 to February 17 2026

Statistics over entire affected area:

• Mean temperature anomaly: 1.9 °C
• Mean temperature: 13.6 °C
• Maximum temperature anomaly: 4.8 °C
• Maximum temperature: 14.8 °C

Event center: 44.0°N 342.5°E

Area affected: 268073 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-15_to_2026-Feb-17_342.5_44.0

Download data: JSON

Event type: Heat wave

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

• Spain

Duration: 9 days

Time span: August 25 2025 to September 02 2025

Statistics over entire affected area:

• Mean temperature anomaly: 1.7 °C
• Mean temperature: 27.1 °C
• Maximum temperature anomaly: 4.0 °C
• Maximum temperature: 30.5 °C

Event center: 37.5°N 359.0°E

Area affected: 51214 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-25_to_2025-Sep-02_359.0_37.5

Download data: JSON

Event type: Heat wave

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

• Spain

Duration: 11 days

Time span: May 13 2025 to May 23 2025

Statistics over entire affected area:

• Mean temperature anomaly: 1.8 °C
• Mean temperature: 19.8 °C
• Maximum temperature anomaly: 3.7 °C
• Maximum temperature: 22.7 °C

Event center: 38.0°N 0.0°E

Area affected: 356700 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-13_to_2025-May-23_359.5_37.5