Category: Extremes affecting Brazil

Heat wave occuring from January 22 2025 to January 29 2025 at -20.5°S 302.0°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Bolivia, Plurinational State of
  • Brazil
  • Paraguay

Duration: 8 days

Time span: January 22 2025 to January 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 32.6 °C
  • Maximum temperature anomaly: 6.2 °C
  • Maximum temperature: 35.2 °C

Event center: -20.5°S 302.0°E

Area affected: 225628 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-22_to_2025-Jan-29_302.0_-20.5

Cold spell occuring from January 21 2025 to January 27 2025 at 3.5°N 303.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil
  • French Guiana
  • Suriname

Duration: 7 days

Time span: January 21 2025 to January 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 23.5 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: 21.9 °C

Event center: 3.5°N 303.5°E

Area affected: 120370 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-21_to_2025-Jan-27_303.5_3.5

Cold spell occuring from January 19 2025 to January 23 2025 at -11.0°S 294.5°E

Download data: JSON

Event type: Cold spell

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

  • Bolivia, Plurinational State of
  • Brazil

Duration: 5 days

Time span: January 19 2025 to January 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 24.2 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: 22.7 °C

Event center: -11.0°S 294.5°E

Area affected: 149652 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-19_to_2025-Jan-23_294.5_-11.0

Cold spell occuring from January 16 2025 to January 21 2025 at -10.5°S 302.0°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 6 days

Time span: January 16 2025 to January 21 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.5 °C
  • Mean temperature: 23.4 °C
  • Minimum temperature anomaly: -2.3 °C
  • Minimum temperature: 22.5 °C

Event center: -10.5°S 302.0°E

Area affected: 94332 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-16_to_2025-Jan-21_302.0_-10.5

Cold spell occuring from January 09 2025 to January 16 2025 at -9.0°S 319.0°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 8 days

Time span: January 09 2025 to January 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 24.4 °C
  • Minimum temperature anomaly: -4.5 °C
  • Minimum temperature: 21.4 °C

Event center: -9.0°S 319.0°E

Area affected: 323936 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-09_to_2025-Jan-16_319.0_-9.0

Cold spell occuring from January 09 2025 to January 15 2025 at -22.5°S 317.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 7 days

Time span: January 09 2025 to January 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 20.5 °C
  • Minimum temperature anomaly: -4.3 °C
  • Minimum temperature: 15.5 °C

Event center: -22.5°S 317.5°E

Area affected: 287994 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-09_to_2025-Jan-15_317.5_-22.5

Cold spell occuring from January 09 2025 to January 18 2025 at -13.5°S 312.0°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 10 days

Time span: January 09 2025 to January 18 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 23.4 °C
  • Minimum temperature anomaly: -3.1 °C
  • Minimum temperature: 19.8 °C

Event center: -13.5°S 312.0°E

Area affected: 349744 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-09_to_2025-Jan-18_312.0_-13.5

Cold spell occuring from January 08 2025 to January 10 2025 at -15.5°S 316.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 3 days

Time span: January 08 2025 to January 10 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 22.6 °C
  • Minimum temperature anomaly: -3.5 °C
  • Minimum temperature: 20.8 °C

Event center: -15.5°S 316.5°E

Area affected: 53569 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-08_to_2025-Jan-10_316.5_-15.5

Heat wave occuring from January 04 2025 to March 17 2025 at -28.0°S 300.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Bolivia, Plurinational State of
  • Brazil
  • Chile
  • Paraguay
  • Peru
  • Uruguay

Duration: 73 days

Time span: January 04 2025 to March 17 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 25.3 °C
  • Maximum temperature anomaly: 13.2 °C
  • Maximum temperature: 38.7 °C

Event center: -28.0°S 300.5°E

Area affected: 16681204 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-04_to_2025-Mar-17_300.5_-28.0

Cold spell occuring from January 02 2025 to January 08 2025 at -36.0°S 306.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Brazil
  • Uruguay

Duration: 7 days

Time span: January 02 2025 to January 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 17.9 °C
  • Minimum temperature anomaly: -5.1 °C
  • Minimum temperature: 12.5 °C

Event center: -36.0°S 306.0°E

Area affected: 443781 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-02_to_2025-Jan-08_306.0_-36.0