Category: Extremes affecting Guyana

Heat wave occuring from June 16 2025 to July 11 2025 at 5.0°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
  • Guyana
  • Suriname
  • Venezuela, Bolivarian Republic of

Duration: 26 days

Time span: June 16 2025 to July 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 26.9 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 28.1 °C

Event center: 5.0°N 307.5°E

Area affected: 1591242 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-16_to_2025-Jul-11_307.5_5.0

Cold spell occuring from April 01 2025 to April 09 2025 at 4.0°N 300.5°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 9 days

Time span: April 01 2025 to April 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 24.3 °C
  • Minimum temperature anomaly: -3.9 °C
  • Minimum temperature: 18.8 °C

Event center: 4.0°N 300.5°E

Area affected: 390621 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-01_to_2025-Apr-09_300.5_4.0

Cold spell occuring from March 07 2025 to March 24 2025 at 4.5°N 299.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil
  • Guyana
  • Venezuela, Bolivarian Republic of

Duration: 18 days

Time span: March 07 2025 to March 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 25.0 °C
  • Minimum temperature anomaly: -5.5 °C
  • Minimum temperature: 19.9 °C

Event center: 4.5°N 299.5°E

Area affected: 77129 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-07_to_2025-Mar-24_299.5_4.5

Cold spell occuring from May 10 2023 to May 12 2023 at 2.0°N 304.0°E

Download data: JSON

Event type: Cold spell

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

  • Brazil
  • Guyana
  • Suriname

Duration: 3 days

Time span: May 10 2023 to May 12 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 23.6 °C
  • Minimum temperature anomaly: -1.9 °C
  • Minimum temperature: 22.7 °C

Event center: 2.0°N 304.0°E

Area affected: 64821 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-May-10_to_2023-May-12_304.0_2.0

Cold spell occuring from April 21 2023 to April 29 2023 at 9.0°N 296.0°E

Download data: JSON

Event type: Cold spell

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

  • Guyana
  • Venezuela, Bolivarian Republic of

Duration: 9 days

Time span: April 21 2023 to April 29 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 25.3 °C
  • Minimum temperature anomaly: -4.2 °C
  • Minimum temperature: 20.5 °C

Event center: 9.0°N 296.0°E

Area affected: 244489 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-Apr-21_to_2023-Apr-29_296.0_9.0

Heat wave occuring from March 29 2023 to April 15 2023 at 1.0°N 298.0°E

Download data: JSON

Event type: Heat wave

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

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

Duration: 18 days

Time span: March 29 2023 to April 15 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 3.9 °C
  • Maximum temperature: 31.5 °C

Event center: 1.0°N 298.0°E

Area affected: 379585 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-Mar-29_to_2023-Apr-15_298.0_1.0

Cold spell occuring from March 25 2023 to March 29 2023 at 5.5°N 298.0°E

Download data: JSON

Event type: Cold spell

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

  • Brazil
  • Guyana
  • Venezuela, Bolivarian Republic of

Duration: 5 days

Time span: March 25 2023 to March 29 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 20.7 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: 18.0 °C

Event center: 5.5°N 298.0°E

Area affected: 64695 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-Mar-25_to_2023-Mar-29_298.0_5.5

Cold spell occuring from March 11 2023 to March 23 2023 at 5.0°N 299.0°E

Download data: JSON

Event type: Cold spell

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

  • Brazil
  • Guyana
  • Venezuela, Bolivarian Republic of

Duration: 13 days

Time span: March 11 2023 to March 23 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.5 °C
  • Mean temperature: 23.3 °C
  • Minimum temperature anomaly: -3.0 °C
  • Minimum temperature: 17.7 °C

Event center: 5.0°N 299.0°E

Area affected: 208519 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-Mar-11_to_2023-Mar-23_299.0_5.0

Cold spell occuring from March 01 2023 to March 08 2023 at 4.0°N 299.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil
  • Guyana
  • Venezuela, Bolivarian Republic of

Duration: 8 days

Time span: March 01 2023 to March 08 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 24.2 °C
  • Minimum temperature anomaly: -3.4 °C
  • Minimum temperature: 19.8 °C

Event center: 4.0°N 299.5°E

Area affected: 157113 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-Mar-01_to_2023-Mar-08_299.5_4.0

Cold spell occuring from February 19 2023 to February 23 2023 at 0.5°N 304.0°E

Download data: JSON

Event type: Cold spell

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

  • Brazil
  • Guyana
  • Suriname

Duration: 5 days

Time span: February 19 2023 to February 23 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 22.8 °C
  • Minimum temperature anomaly: -3.9 °C
  • Minimum temperature: 20.1 °C

Event center: 0.5°N 304.0°E

Area affected: 336823 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-Feb-19_to_2023-Feb-23_304.0_0.5