Category: Heat waves affecting French Guiana

Heat wave occuring from April 08 2025 to April 14 2025 at 4.5°N 307.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil
  • French Guiana
  • Suriname

Duration: 7 days

Time span: April 08 2025 to April 14 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 26.8 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 27.6 °C

Event center: 4.5°N 307.5°E

Area affected: 209831 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-08_to_2025-Apr-14_307.5_4.5

Heat wave occuring from January 30 2025 to February 02 2025 at 5.5°N 306.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil
  • French Guiana
  • Suriname

Duration: 4 days

Time span: January 30 2025 to February 02 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 26.5 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 27.4 °C

Event center: 5.5°N 306.5°E

Area affected: 83163 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-Jan-30_to_2025-Feb-02_306.5_5.5

Heat wave occuring from February 28 2023 to March 11 2023 at 3.5°N 320.0°E

Download data: JSON

Event type: Heat wave

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

  • French Guiana

Duration: 12 days

Time span: February 28 2023 to March 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 0.9 °C
  • Mean temperature: 27.0 °C
  • Maximum temperature anomaly: 1.5 °C
  • Maximum temperature: 27.4 °C

Event center: 3.5°N 320.0°E

Area affected: 752819 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-Feb-28_to_2023-Mar-11_320.0_3.5

Heat wave occuring from November 13 2022 to November 18 2022 at 2.5°N 316.0°E

Download data: JSON

Event type: Heat wave

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

  • French Guiana

Duration: 6 days

Time span: November 13 2022 to November 18 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 0.7 °C
  • Mean temperature: 27.6 °C
  • Maximum temperature anomaly: 1.2 °C
  • Maximum temperature: 28.2 °C

Event center: 2.5°N 316.0°E

Area affected: 209889 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-Nov-13_to_2022-Nov-18_316.0_2.5

Heat wave occuring from September 22 2022 to October 01 2022 at 4.5°N 306.5°E

Download data: JSON

Event type: Heat wave

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

  • French Guiana
  • Suriname

Duration: 10 days

Time span: September 22 2022 to October 01 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 28.4 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 29.6 °C

Event center: 4.5°N 306.5°E

Area affected: 64714 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-Sep-22_to_2022-Oct-01_306.5_4.5

Heat wave occuring from September 12 2022 to September 28 2022 at 3.0°N 315.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil
  • French Guiana
  • Guyana
  • Suriname
  • Venezuela, Bolivarian Republic of

Duration: 17 days

Time span: September 12 2022 to September 28 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 0.7 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 29.3 °C

Event center: 3.0°N 315.5°E

Area affected: 1302595 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-Sep-12_to_2022-Sep-28_315.5_3.0

Heat wave occuring from July 22 2022 to October 27 2022 at -11.5°S 341.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil
  • French Guiana
  • Guyana
  • Suriname
  • Venezuela, Bolivarian Republic of

Duration: 98 days

Time span: July 22 2022 to October 27 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 0.8 °C
  • Mean temperature: 25.4 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 30.6 °C

Event center: -11.5°S 341.0°E

Area affected: 11744352 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-Jul-22_to_2022-Oct-27_341.0_-11.5

Heat wave occuring from July 19 2022 to July 26 2022 at 3.0°N 310.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil
  • French Guiana
  • Suriname

Duration: 8 days

Time span: July 19 2022 to July 26 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 0.9 °C
  • Mean temperature: 27.4 °C
  • Maximum temperature anomaly: 1.4 °C
  • Maximum temperature: 28.1 °C

Event center: 3.0°N 310.0°E

Area affected: 172682 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-Jul-19_to_2022-Jul-26_310.0_3.0

Heat wave occuring from July 01 2022 to July 07 2022 at 3.5°N 307.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil
  • French Guiana
  • Suriname

Duration: 7 days

Time span: July 01 2022 to July 07 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 26.3 °C
  • Maximum temperature anomaly: 1.6 °C
  • Maximum temperature: 27.0 °C

Event center: 3.5°N 307.5°E

Area affected: 64714 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-Jul-01_to_2022-Jul-07_307.5_3.5

Heat wave occuring from July 08 2021 to August 11 2021 at -1.5°S 280.0°E

Download data: JSON

Event type: Heat wave

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

  • Belize
  • Bolivia, Plurinational State of
  • Brazil
  • Colombia
  • Costa Rica
  • Ecuador
  • El Salvador
  • French Guiana
  • Guatemala
  • Honduras
  • Mexico
  • Nicaragua
  • Panama
  • Peru

Duration: 35 days

Time span: July 08 2021 to August 11 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 27.1 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 32.3 °C

Event center: -1.5°S 280.0°E

Area affected: 4173549 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_2021-Jul-08_to_2021-Aug-11_280.0_-1.5