Category: Extremes affecting Algeria

Heat wave occuring from June 26 2025 to June 28 2025 at 19.0°N 7.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mali
  • Niger

Duration: 3 days

Time span: June 26 2025 to June 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 37.3 °C
  • Maximum temperature anomaly: 3.8 °C
  • Maximum temperature: 39.3 °C

Event center: 19.0°N 7.0°E

Area affected: 128919 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-26_to_2025-Jun-28_7.0_19.0

Heat wave occuring from June 13 2025 to June 19 2025 at 21.0°N 1.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mali

Duration: 7 days

Time span: June 13 2025 to June 19 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 37.8 °C
  • Maximum temperature anomaly: 4.0 °C
  • Maximum temperature: 39.7 °C

Event center: 21.0°N 1.5°E

Area affected: 152784 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-13_to_2025-Jun-19_1.5_21.0

Cold spell occuring from June 01 2025 to June 07 2025 at 19.5°N 0.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mali
  • Niger

Duration: 7 days

Time span: June 01 2025 to June 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 33.3 °C
  • Minimum temperature anomaly: -3.8 °C
  • Minimum temperature: 31.6 °C

Event center: 19.5°N 0.0°E

Area affected: 213654 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-01_to_2025-Jun-07_0.0_19.5

Cold spell occuring from May 31 2025 to June 07 2025 at 18.5°N 9.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Libya
  • Niger

Duration: 8 days

Time span: May 31 2025 to June 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 27.8 °C
  • Minimum temperature anomaly: -8.2 °C
  • Minimum temperature: 19.8 °C

Event center: 18.5°N 9.0°E

Area affected: 957903 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-May-31_to_2025-Jun-07_9.0_18.5

Cold spell occuring from May 25 2025 to May 27 2025 at 28.5°N 10.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Libya

Duration: 3 days

Time span: May 25 2025 to May 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.3 °C
  • Mean temperature: 24.6 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: 21.6 °C

Event center: 28.5°N 10.0°E

Area affected: 62932 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-May-25_to_2025-May-27_10.0_28.5

Cold spell occuring from May 24 2025 to May 26 2025 at 32.0°N 4.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria

Duration: 3 days

Time span: May 24 2025 to May 26 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.9 °C
  • Mean temperature: 23.3 °C
  • Minimum temperature anomaly: -7.7 °C
  • Minimum temperature: 20.6 °C

Event center: 32.0°N 4.5°E

Area affected: 108791 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-May-24_to_2025-May-26_4.5_32.0

Cold spell occuring from April 30 2025 to May 09 2025 at 13.5°N 28.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Chad
  • Egypt
  • Eritrea
  • Libya
  • Niger
  • Sudan

Duration: 10 days

Time span: April 30 2025 to May 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.2 °C
  • Mean temperature: 24.6 °C
  • Minimum temperature anomaly: -8.5 °C
  • Minimum temperature: 16.0 °C

Event center: 13.5°N 28.0°E

Area affected: 4297318 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-30_to_2025-May-09_28.0_13.5

Heat wave occuring from April 22 2025 to April 28 2025 at 35.5°N 355.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Morocco
  • Spain

Duration: 7 days

Time span: April 22 2025 to April 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 18.0 °C
  • Maximum temperature anomaly: 5.9 °C
  • Maximum temperature: 21.4 °C

Event center: 35.5°N 355.5°E

Area affected: 175178 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-22_to_2025-Apr-28_355.5_35.5

Heat wave occuring from March 03 2025 to March 08 2025 at 36.0°N 0.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria

Duration: 6 days

Time span: March 03 2025 to March 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 16.5 °C
  • Maximum temperature anomaly: 5.8 °C
  • Maximum temperature: 18.5 °C

Event center: 36.0°N 0.5°E

Area affected: 76767 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-03_to_2025-Mar-08_0.5_36.0

Cold spell occuring from January 14 2025 to January 19 2025 at 28.0°N 359.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mali

Duration: 6 days

Time span: January 14 2025 to January 19 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 9.4 °C
  • Minimum temperature anomaly: -5.0 °C
  • Minimum temperature: 6.6 °C

Event center: 28.0°N 359.0°E

Area affected: 411176 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-Jan-14_to_2025-Jan-19_359.0_28.0