Category: Heat waves affecting Greenland

Download data: JSON

Event type: Heat wave

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

• Greenland

Duration: 8 days

Time span: September 17 2025 to September 24 2025

Statistics over entire affected area:

• Mean temperature anomaly: 4.3 °C
• Mean temperature: 4.6 °C
• Maximum temperature anomaly: 8.6 °C
• Maximum temperature: 9.6 °C

Event center: 71.0°N 307.0°E

Area affected: 177623 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-17_to_2025-Sep-24_307.0_71.0

Download data: JSON

Event type: Heat wave

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

• Greenland

Duration: 5 days

Time span: August 30 2025 to September 03 2025

Statistics over entire affected area:

• Mean temperature anomaly: 7.3 °C
• Mean temperature: -11.1 °C
• Maximum temperature anomaly: 8.4 °C
• Maximum temperature: -9.0 °C

Event center: 72.0°N 325.0°E

Area affected: 53377 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-30_to_2025-Sep-03_325.0_72.0

Download data: JSON

Event type: Heat wave

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

• Greenland

Duration: 11 days

Time span: June 14 2025 to June 24 2025

Statistics over entire affected area:

• Mean temperature anomaly: 5.3 °C
• Mean temperature: -4.9 °C
• Maximum temperature anomaly: 8.4 °C
• Maximum temperature: 6.7 °C

Event center: 72.0°N 332.5°E

Area affected: 1003976 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-Jun-14_to_2025-Jun-24_332.5_72.0

Download data: JSON

Event type: Heat wave

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

• Greenland

Duration: 14 days

Time span: June 10 2025 to June 23 2025

Statistics over entire affected area:

• Mean temperature anomaly: 2.2 °C
• Mean temperature: 7.8 °C
• Maximum temperature anomaly: 3.9 °C
• Maximum temperature: 10.0 °C

Event center: 64.5°N 325.5°E

Area affected: 173771 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-Jun-10_to_2025-Jun-23_325.5_64.5

Download data: JSON

Event type: Heat wave

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

• Greenland

Duration: 7 days

Time span: January 02 2025 to January 08 2025

Statistics over entire affected area:

• Mean temperature anomaly: 10.6 °C
• Mean temperature: -18.6 °C
• Maximum temperature anomaly: 17.1 °C
• Maximum temperature: -2.3 °C

Event center: 72.0°N 305.5°E

Area affected: 113917 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-Jan-02_to_2025-Jan-08_305.5_72.0

Download data: JSON

Event type: Heat wave

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

• Greenland

Duration: 7 days

Time span: December 21 2024 to December 27 2024

Statistics over entire affected area:

• Mean temperature anomaly: 11.3 °C
• Mean temperature: -5.8 °C
• Maximum temperature anomaly: 16.7 °C
• Maximum temperature: 1.2 °C

Event center: 77.0°N 342.0°E

Area affected: 416032 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_2024-Dec-21_to_2024-Dec-27_342.0_77.0

Download data: JSON

Event type: Heat wave

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

• Greenland

Duration: 6 days

Time span: November 11 2024 to November 16 2024

Statistics over entire affected area:

• Mean temperature anomaly: 9.0 °C
• Mean temperature: -12.7 °C
• Maximum temperature anomaly: 13.5 °C
• Maximum temperature: -6.1 °C

Event center: 80.5°N 343.5°E

Area affected: 159120 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_2024-Nov-11_to_2024-Nov-16_343.5_80.5