Cold spell occuring from July 31 2025 to August 02 2025 at -3.5°S 14.5°E

Download data: JSON

Event type: Cold spell

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

  • Congo
  • Congo, The Democratic Republic of the

Duration: 3 days

Time span: July 31 2025 to August 02 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 21.1 °C
  • Minimum temperature anomaly: -2.1 °C
  • Minimum temperature: 20.0 °C

Event center: -3.5°S 14.5°E

Area affected: 55506 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-Jul-31_to_2025-Aug-02_14.5_-3.5

Heat wave occuring from July 29 2025 to August 07 2025 at -1.5°S 20.5°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: 10 days

Time span: July 29 2025 to August 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 26.5 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 27.9 °C

Event center: -1.5°S 20.5°E

Area affected: 55618 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-Jul-29_to_2025-Aug-07_20.5_-1.5

Heat wave occuring from July 23 2025 to July 29 2025 at -6.0°S 27.0°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: 7 days

Time span: July 23 2025 to July 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 27.0 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 29.6 °C

Event center: -6.0°S 27.0°E

Area affected: 116770 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-Jul-23_to_2025-Jul-29_27.0_-6.0

Cold spell occuring from July 21 2025 to July 25 2025 at -8.5°S 19.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Congo, The Democratic Republic of the

Duration: 5 days

Time span: July 21 2025 to July 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.5 °C
  • Mean temperature: 22.6 °C
  • Minimum temperature anomaly: -2.2 °C
  • Minimum temperature: 20.7 °C

Event center: -8.5°S 19.0°E

Area affected: 54975 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-Jul-21_to_2025-Jul-25_19.0_-8.5

Heat wave occuring from July 18 2025 to July 22 2025 at 1.0°N 16.5°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: 5 days

Time span: July 18 2025 to July 22 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 25.4 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 26.6 °C

Event center: 1.0°N 16.5°E

Area affected: 55629 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-Jul-18_to_2025-Jul-22_16.5_1.0

Cold spell occuring from July 08 2025 to September 05 2025 at -7.5°S 17.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Burundi
  • Congo
  • Congo, The Democratic Republic of the
  • Côte d’Ivoire
  • Equatorial Guinea
  • Eswatini
  • Gabon
  • Kenya
  • Liberia
  • Malawi
  • Mozambique
  • Namibia
  • South Africa
  • Tanzania, United Republic of
  • Uganda
  • Zambia
  • Zimbabwe

Duration: 60 days

Time span: July 08 2025 to September 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 19.6 °C
  • Minimum temperature anomaly: -9.7 °C
  • Minimum temperature: 5.0 °C

Event center: -7.5°S 17.0°E

Area affected: 8144949 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-Jul-08_to_2025-Sep-05_17.0_-7.5

Cold spell occuring from July 04 2025 to July 18 2025 at -8.5°S 19.0°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 15 days

Time span: July 04 2025 to July 18 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 19.8 °C
  • Minimum temperature anomaly: -3.8 °C
  • Minimum temperature: 14.3 °C

Event center: -8.5°S 19.0°E

Area affected: 1178125 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-Jul-04_to_2025-Jul-18_19.0_-8.5

Cold spell occuring from June 28 2025 to July 06 2025 at -10.0°S 23.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Congo, The Democratic Republic of the

Duration: 9 days

Time span: June 28 2025 to July 06 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 21.4 °C
  • Minimum temperature anomaly: -2.4 °C
  • Minimum temperature: 18.2 °C

Event center: -10.0°S 23.0°E

Area affected: 158568 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-Jun-28_to_2025-Jul-06_23.0_-10.0

Cold spell occuring from June 13 2025 to June 20 2025 at -9.0°S 19.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Congo, The Democratic Republic of the
  • Tanzania, United Republic of
  • Zambia

Duration: 8 days

Time span: June 13 2025 to June 20 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 19.3 °C
  • Minimum temperature anomaly: -3.6 °C
  • Minimum temperature: 12.8 °C

Event center: -9.0°S 19.5°E

Area affected: 708758 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-Jun-13_to_2025-Jun-20_19.5_-9.0

Heat wave occuring from June 01 2025 to June 03 2025 at 3.0°N 24.5°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: June 01 2025 to June 03 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 26.8 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 28.6 °C

Event center: 3.0°N 24.5°E

Area affected: 58660 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-01_to_2025-Jun-03_24.5_3.0