Category: Extremes affecting Ghana

Heat wave occuring from May 03 2025 to May 09 2025 at 8.0°N 357.0°E

Download data: JSON

Event type: Heat wave

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

  • Côte d’Ivoire
  • Ghana

Duration: 7 days

Time span: May 03 2025 to May 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 29.4 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 30.6 °C

Event center: 8.0°N 357.0°E

Area affected: 52032 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-03_to_2025-May-09_357.0_8.0

Heat wave occuring from May 03 2025 to May 09 2025 at 8.0°N 0.0°E

Download data: JSON

Event type: Heat wave

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

  • Ghana
  • Togo

Duration: 7 days

Time span: May 03 2025 to May 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 29.2 °C
  • Maximum temperature anomaly: 2.7 °C
  • Maximum temperature: 32.0 °C

Event center: 7.0°N 359.5°E

Area affected: 64396 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-03_to_2025-May-09_0.0_8.0

Heat wave occuring from April 18 2025 to April 22 2025 at 6.5°N 3.5°E

Download data: JSON

Event type: Heat wave

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

  • Benin
  • Ghana
  • Nigeria
  • Togo

Duration: 5 days

Time span: April 18 2025 to April 22 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 29.4 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 31.4 °C

Event center: 6.5°N 3.5°E

Area affected: 88928 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-Apr-18_to_2025-Apr-22_3.5_6.5

Heat wave occuring from April 16 2025 to April 18 2025 at 5.0°N 357.0°E

Download data: JSON

Event type: Heat wave

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

  • Côte d’Ivoire
  • Ghana

Duration: 3 days

Time span: April 16 2025 to April 18 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 28.9 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 30.1 °C

Event center: 5.0°N 357.0°E

Area affected: 55331 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-Apr-16_to_2025-Apr-18_357.0_5.0

Heat wave occuring from April 04 2025 to April 09 2025 at 6.0°N 10.0°E

Download data: JSON

Event type: Heat wave

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

  • Benin
  • Cameroon
  • Central African Republic
  • Congo
  • Ghana
  • Nigeria
  • Togo

Duration: 6 days

Time span: April 04 2025 to April 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 29.2 °C
  • Maximum temperature anomaly: 3.4 °C
  • Maximum temperature: 35.7 °C

Event center: 6.0°N 10.0°E

Area affected: 647801 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-Apr-04_to_2025-Apr-09_10.0_6.0

Heat wave occuring from April 04 2025 to April 28 2025 at 10.0°N 8.5°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Ghana
  • Nigeria

Duration: 25 days

Time span: April 04 2025 to April 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 28.3 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 29.8 °C

Event center: -2.5°S 356.0°E

Area affected: 1559559 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-Apr-04_to_2025-Apr-28_8.5_10.0

Heat wave occuring from March 28 2025 to April 15 2025 at 7.5°N 348.0°E

Download data: JSON

Event type: Heat wave

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

  • Côte d’Ivoire
  • Ghana
  • Guinea
  • Liberia
  • Mali
  • Sierra Leone

Duration: 19 days

Time span: March 28 2025 to April 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 29.0 °C
  • Maximum temperature anomaly: 3.0 °C
  • Maximum temperature: 34.4 °C

Event center: 7.5°N 348.0°E

Area affected: 511511 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-Mar-28_to_2025-Apr-15_348.0_7.5

Cold spell occuring from February 23 2025 to February 28 2025 at 15.0°N 346.5°E

Download data: JSON

Event type: Cold spell

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

  • Burkina Faso
  • Côte d’Ivoire
  • Ghana
  • Guinea
  • Mali
  • Mauritania
  • Senegal

Duration: 6 days

Time span: February 23 2025 to February 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 25.9 °C
  • Minimum temperature anomaly: -5.3 °C
  • Minimum temperature: 22.8 °C

Event center: 15.0°N 346.5°E

Area affected: 421266 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-Feb-23_to_2025-Feb-28_346.5_15.0

Cold spell occuring from December 18 2024 to December 22 2024 at 11.0°N 3.0°E

Download data: JSON

Event type: Cold spell

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

  • Benin
  • Burkina Faso
  • Côte d’Ivoire
  • Ghana
  • Mali
  • Niger
  • Nigeria
  • Togo

Duration: 5 days

Time span: December 18 2024 to December 22 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 21.4 °C
  • Minimum temperature anomaly: -4.7 °C
  • Minimum temperature: 17.3 °C

Event center: 11.0°N 3.0°E

Area affected: 1169535 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_2024-Dec-18_to_2024-Dec-22_3.0_11.0

Cold spell occuring from November 14 2024 to December 08 2024 at 11.0°N 16.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Benin
  • Burkina Faso
  • Cameroon
  • Central African Republic
  • Chad
  • Côte d’Ivoire
  • Egypt
  • Ghana
  • Libya
  • Mali
  • Niger
  • Nigeria
  • Sudan
  • Togo

Duration: 25 days

Time span: November 14 2024 to December 08 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 19.6 °C
  • Minimum temperature anomaly: -6.6 °C
  • Minimum temperature: 8.3 °C

Event center: 11.0°N 16.0°E

Area affected: 4509535 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_2024-Nov-14_to_2024-Dec-08_16.0_11.0