Category: Extremes affecting Seychelles

Heat wave occuring from January 22 2026 to February 03 2026 at 0.5°N 57.0°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar
  • Seychelles

Duration: 13 days

Time span: January 22 2026 to February 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 27.9 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 29.0 °C

Event center: 0.5°N 57.0°E

Area affected: 1520011 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-22_to_2026-Feb-03_57.0_0.5

Heat wave occuring from February 27 2024 to February 29 2024 at -7.5°S 52.0°E

Download data: JSON

Event type: Heat wave

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

  • Seychelles

Duration: 3 days

Time span: February 27 2024 to February 29 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 28.8 °C
  • Maximum temperature anomaly: 2.1 °C
  • Maximum temperature: 29.2 °C

Event center: -7.5°S 52.0°E

Area affected: 82804 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_2024-Feb-27_to_2024-Feb-29_52.0_-7.5

Heat wave occuring from November 30 2023 to December 04 2023 at -5.5°S 52.0°E

Download data: JSON

Event type: Heat wave

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

  • Seychelles

Duration: 5 days

Time span: November 30 2023 to December 04 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 1.6 °C
  • Maximum temperature: 28.2 °C

Event center: -5.5°S 52.0°E

Area affected: 113511 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_2023-Nov-30_to_2023-Dec-04_52.0_-5.5

Heat wave occuring from April 21 2023 to April 26 2023 at -7.5°S 55.5°E

Download data: JSON

Event type: Heat wave

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

  • Seychelles

Duration: 6 days

Time span: April 21 2023 to April 26 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 28.5 °C
  • Maximum temperature anomaly: 1.6 °C
  • Maximum temperature: 29.2 °C

Event center: -7.5°S 55.5°E

Area affected: 221201 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_2023-Apr-21_to_2023-Apr-26_55.5_-7.5

Cold spell occuring from January 10 2023 to January 18 2023 at -8.0°S 55.0°E

Download data: JSON

Event type: Cold spell

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

  • Seychelles

Duration: 9 days

Time span: January 10 2023 to January 18 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.1 °C
  • Mean temperature: 25.7 °C
  • Minimum temperature anomaly: -1.5 °C
  • Minimum temperature: 25.1 °C

Event center: -8.0°S 55.0°E

Area affected: 419165 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_2023-Jan-10_to_2023-Jan-18_55.0_-8.0

Heat wave occuring from December 21 2022 to December 26 2022 at -8.0°S 48.5°E

Download data: JSON

Event type: Heat wave

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

  • Seychelles

Duration: 6 days

Time span: December 21 2022 to December 26 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 27.9 °C
  • Maximum temperature anomaly: 1.3 °C
  • Maximum temperature: 28.3 °C

Event center: -8.0°S 48.5°E

Area affected: 104096 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_2022-Dec-21_to_2022-Dec-26_48.5_-8.0

Cold spell occuring from September 24 2022 to September 28 2022 at -7.0°S 57.5°E

Download data: JSON

Event type: Cold spell

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

  • Seychelles

Duration: 5 days

Time span: September 24 2022 to September 28 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -0.9 °C
  • Mean temperature: 25.1 °C
  • Minimum temperature anomaly: -1.3 °C
  • Minimum temperature: 24.5 °C

Event center: -7.0°S 57.5°E

Area affected: 212357 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_2022-Sep-24_to_2022-Sep-28_57.5_-7.0

Cold spell occuring from September 22 2022 to October 30 2022 at -9.0°S 39.5°E

Download data: JSON

Event type: Cold spell

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

  • Kenya
  • Madagascar
  • Mozambique
  • Seychelles
  • Tanzania, United Republic of

Duration: 39 days

Time span: September 22 2022 to October 30 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -1.0 °C
  • Mean temperature: 24.0 °C
  • Minimum temperature anomaly: -3.5 °C
  • Minimum temperature: 13.5 °C

Event center: -9.0°S 39.5°E

Area affected: 3847361 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_2022-Sep-22_to_2022-Oct-30_39.5_-9.0

Cold spell occuring from August 08 2022 to September 11 2022 at -9.0°S 65.5°E

Download data: JSON

Event type: Cold spell

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

  • Seychelles

Duration: 35 days

Time span: August 08 2022 to September 11 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -1.0 °C
  • Mean temperature: 22.7 °C
  • Minimum temperature anomaly: -2.5 °C
  • Minimum temperature: 16.4 °C

Event center: -9.0°S 65.5°E

Area affected: 6379897 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_2022-Aug-08_to_2022-Sep-11_65.5_-9.0

Cold spell occuring from June 28 2022 to August 07 2022 at -7.0°S 57.0°E

Download data: JSON

Event type: Cold spell

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

  • Kenya
  • Madagascar
  • Seychelles
  • Tanzania, United Republic of

Duration: 41 days

Time span: June 28 2022 to August 07 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -1.1 °C
  • Mean temperature: 22.6 °C
  • Minimum temperature anomaly: -4.1 °C
  • Minimum temperature: 9.8 °C

Event center: -7.0°S 57.0°E

Area affected: 7645858 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_2022-Jun-28_to_2022-Aug-07_57.0_-7.0