Heat wave occuring from January 02 2026 to January 13 2026 at -3.5°S 8.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Congo
  • Congo DRC
  • Gabon

Duration: 12 days

Time span: January 02 2026 to January 13 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 27.1 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 28.0 °C

Event center: -3.5°S 8.0°E

Area affected: 255915 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-Jan-02_to_2026-Jan-13_8.0_-3.5

Heat wave occuring from February 24 2026 to March 03 2026 at -1.5°S 23.0°E

Download data: JSON

Event type: Heat wave

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

  • Congo, The Democratic Republic of the

Duration: 8 days

Time span: February 24 2026 to March 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 27.4 °C
  • Maximum temperature anomaly: 3.3 °C
  • Maximum temperature: 28.9 °C

Event center: -1.5°S 23.0°E

Area affected: 117397 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-24_to_2026-Mar-03_23.0_-1.5

Heat wave occuring from February 01 2026 to February 04 2026 at -1.0°S 21.0°E

Download data: JSON

Event type: Heat wave

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

  • Central African Republic
  • Congo, The Democratic Republic of the

Duration: 4 days

Time span: February 01 2026 to February 04 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 28.6 °C
  • Maximum temperature anomaly: 3.4 °C
  • Maximum temperature: 30.1 °C

Event center: -1.0°S 21.0°E

Area affected: 151325 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-01_to_2026-Feb-04_21.0_-1.0

Heat wave occuring from December 25 2025 to December 27 2025 at -4.0°S 14.0°E

Download data: JSON

Event type: Heat wave

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

  • Congo
  • Congo, The Democratic Republic of the

Duration: 3 days

Time span: December 25 2025 to December 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 25.9 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 27.7 °C

Event center: -4.0°S 14.0°E

Area affected: 80229 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-Dec-25_to_2025-Dec-27_14.0_-4.0

Heat wave occuring from December 10 2025 to December 15 2025 at -5.0°S 22.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Congo
  • Congo, The Democratic Republic of the

Duration: 6 days

Time span: December 10 2025 to December 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 25.9 °C
  • Maximum temperature anomaly: 3.5 °C
  • Maximum temperature: 28.8 °C

Event center: -5.0°S 22.0°E

Area affected: 702130 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-Dec-10_to_2025-Dec-15_22.0_-5.0

Heat wave occuring from December 03 2025 to December 06 2025 at -3.5°S 15.5°E

Download data: JSON

Event type: Heat wave

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

  • Congo
  • Congo, The Democratic Republic of the
  • Gabon

Duration: 4 days

Time span: December 03 2025 to December 06 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 25.3 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 26.7 °C

Event center: -3.5°S 15.5°E

Area affected: 55543 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-Dec-03_to_2025-Dec-06_15.5_-3.5

Heat wave occuring from November 20 2025 to November 22 2025 at -3.5°S 25.5°E

Download data: JSON

Event type: Heat wave

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

  • Congo, The Democratic Republic of the

Duration: 3 days

Time span: November 20 2025 to November 22 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 25.2 °C
  • Maximum temperature anomaly: 2.5 °C
  • Maximum temperature: 26.6 °C

Event center: -3.5°S 25.5°E

Area affected: 64807 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-Nov-20_to_2025-Nov-22_25.5_-3.5

Heat wave occuring from November 07 2025 to November 12 2025 at 4.0°N 22.5°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Central African Republic
  • Congo
  • Congo, The Democratic Republic of the

Duration: 6 days

Time span: November 07 2025 to November 12 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 26.2 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 27.6 °C

Event center: 4.0°N 22.5°E

Area affected: 216117 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-Nov-07_to_2025-Nov-12_22.5_4.0

Heat wave occuring from October 18 2025 to October 29 2025 at -4.0°S 15.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Congo
  • Congo, The Democratic Republic of the
  • Gabon

Duration: 12 days

Time span: October 18 2025 to October 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 26.0 °C
  • Maximum temperature anomaly: 2.3 °C
  • Maximum temperature: 27.7 °C

Event center: -4.0°S 15.0°E

Area affected: 178736 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-Oct-18_to_2025-Oct-29_15.0_-4.0

Heat wave occuring from August 14 2025 to November 14 2025 at -4.5°S 24.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Burundi
  • Cameroon
  • Central African Republic
  • Chad
  • Congo
  • Congo, The Democratic Republic of the
  • Gabon
  • Kenya
  • Malawi
  • Rwanda
  • South Sudan
  • Sudan
  • Tanzania, United Republic of
  • Uganda
  • Zambia

Duration: 93 days

Time span: August 14 2025 to November 14 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 26.6 °C
  • Maximum temperature anomaly: 5.5 °C
  • Maximum temperature: 32.0 °C

Event center: -4.5°S 24.5°E

Area affected: 3906217 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-14_to_2025-Nov-14_24.5_-4.5