Category: Extremes affecting Senegal

Cold spell occuring from November 25 2025 to November 30 2025 at 11.5°N 345.0°E

Download data: JSON

Event type: Cold spell

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

  • Gambia
  • Guinea
  • Guinea-Bissau
  • Mali
  • Mauritania
  • Senegal

Duration: 6 days

Time span: November 25 2025 to November 30 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 25.4 °C
  • Minimum temperature anomaly: -4.2 °C
  • Minimum temperature: 23.7 °C

Event center: 11.5°N 345.0°E

Area affected: 105065 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-Nov-25_to_2025-Nov-30_345.0_11.5

Cold spell occuring from August 14 2025 to August 17 2025 at 17.0°N 349.0°E

Download data: JSON

Event type: Cold spell

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

  • Mali
  • Mauritania
  • Senegal

Duration: 4 days

Time span: August 14 2025 to August 17 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 26.7 °C
  • Minimum temperature anomaly: -5.2 °C
  • Minimum temperature: 24.5 °C

Event center: 17.0°N 349.0°E

Area affected: 193393 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-Aug-14_to_2025-Aug-17_349.0_17.0

Cold spell occuring from July 12 2025 to July 17 2025 at 17.5°N 347.5°E

Download data: JSON

Event type: Cold spell

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

  • Mali
  • Mauritania
  • Senegal

Duration: 6 days

Time span: July 12 2025 to July 17 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 29.2 °C
  • Minimum temperature anomaly: -6.6 °C
  • Minimum temperature: 24.9 °C

Event center: 17.5°N 347.5°E

Area affected: 364051 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-12_to_2025-Jul-17_347.5_17.5

Cold spell occuring from June 12 2025 to June 17 2025 at 15.0°N 347.5°E

Download data: JSON

Event type: Cold spell

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

  • Mali
  • Mauritania
  • Senegal

Duration: 6 days

Time span: June 12 2025 to June 17 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 30.7 °C
  • Minimum temperature anomaly: -7.0 °C
  • Minimum temperature: 27.8 °C

Event center: 15.0°N 347.5°E

Area affected: 77556 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-12_to_2025-Jun-17_347.5_15.0

Heat wave occuring from June 01 2025 to June 09 2025 at 13.5°N 340.0°E

Download data: JSON

Event type: Heat wave

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

  • Senegal

Duration: 9 days

Time span: June 01 2025 to June 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 24.4 °C
  • Maximum temperature anomaly: 3.8 °C
  • Maximum temperature: 27.1 °C

Event center: 13.5°N 340.0°E

Area affected: 98254 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-09_340.0_13.5

Heat wave occuring from May 03 2025 to May 15 2025 at 13.5°N 343.5°E

Download data: JSON

Event type: Heat wave

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

  • Gambia
  • Guinea-Bissau
  • Senegal

Duration: 13 days

Time span: May 03 2025 to May 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 26.1 °C
  • Maximum temperature anomaly: 4.3 °C
  • Maximum temperature: 36.5 °C

Event center: 13.5°N 343.5°E

Area affected: 637220 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-15_343.5_13.5

Cold spell occuring from April 28 2025 to May 07 2025 at 12.0°N 349.0°E

Download data: JSON

Event type: Cold spell

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

  • Guinea
  • Mali
  • Senegal

Duration: 10 days

Time span: April 28 2025 to May 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 27.7 °C
  • Minimum temperature anomaly: -6.1 °C
  • Minimum temperature: 22.0 °C

Event center: 12.0°N 349.0°E

Area affected: 133156 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-Apr-28_to_2025-May-07_349.0_12.0

Cold spell occuring from March 02 2025 to March 24 2025 at 9.0°N 343.5°E

Download data: JSON

Event type: Cold spell

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

  • Gambia
  • Mauritania
  • Senegal

Duration: 23 days

Time span: March 02 2025 to March 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 22.8 °C
  • Minimum temperature anomaly: -5.4 °C
  • Minimum temperature: 17.0 °C

Event center: 9.0°N 343.5°E

Area affected: 563751 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-Mar-02_to_2025-Mar-24_343.5_9.0

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 February 01 2025 to February 08 2025 at 15.0°N 345.0°E

Download data: JSON

Event type: Cold spell

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

  • Gambia
  • Guinea
  • Guinea-Bissau
  • Mali
  • Mauritania
  • Senegal

Duration: 8 days

Time span: February 01 2025 to February 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 21.3 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 14.5 °C

Event center: 15.0°N 345.0°E

Area affected: 618965 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-01_to_2025-Feb-08_345.0_15.0