Category: Extremes affecting Brazil

Cold spell occuring from February 02 2026 to February 05 2026 at -20.0°S 305.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 4 days

Time span: February 02 2026 to February 05 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 23.6 °C
  • Minimum temperature anomaly: -5.0 °C
  • Minimum temperature: 20.8 °C

Event center: -20.0°S 305.5°E

Area affected: 196835 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_2026-Feb-02_to_2026-Feb-05_305.5_-20.0

Heat wave occuring from February 02 2026 to February 07 2026 at -33.0°S 302.0°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Brazil
  • Uruguay

Duration: 6 days

Time span: February 02 2026 to February 07 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.9 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 6.7 °C
  • Maximum temperature: 33.0 °C

Event center: -33.0°S 302.0°E

Area affected: 312421 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-Feb-02_to_2026-Feb-07_302.0_-33.0

Heat wave occuring from February 01 2026 to February 05 2026 at 2.5°N 292.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil
  • Colombia
  • Venezuela, Bolivarian Republic of

Duration: 5 days

Time span: February 01 2026 to February 05 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 28.8 °C

Event center: 2.5°N 292.0°E

Area affected: 117335 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-Feb-01_to_2026-Feb-05_292.0_2.5

Heat wave occuring from January 31 2026 to February 06 2026 at -18.5°S 320.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 7 days

Time span: January 31 2026 to February 06 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 27.3 °C
  • Maximum temperature anomaly: 3.3 °C
  • Maximum temperature: 30.0 °C

Event center: -18.5°S 320.5°E

Area affected: 253629 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-31_to_2026-Feb-06_320.5_-18.5

Heat wave occuring from January 29 2026 to February 07 2026 at -9.0°S 323.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 10 days

Time span: January 29 2026 to February 07 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 29.0 °C
  • Maximum temperature anomaly: 4.0 °C
  • Maximum temperature: 32.3 °C

Event center: -9.0°S 323.5°E

Area affected: 189051 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-29_to_2026-Feb-07_323.5_-9.0

Heat wave occuring from January 29 2026 to February 06 2026 at -14.0°S 296.0°E

Download data: JSON

Event type: Heat wave

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

  • Bolivia, Plurinational State of
  • Brazil

Duration: 9 days

Time span: January 29 2026 to February 06 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 27.3 °C
  • Maximum temperature anomaly: 2.7 °C
  • Maximum temperature: 28.9 °C

Event center: -14.0°S 296.0°E

Area affected: 210418 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-29_to_2026-Feb-06_296.0_-14.0

Heat wave occuring from January 28 2026 to February 06 2026 at -4.5°S 306.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 10 days

Time span: January 28 2026 to February 06 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 27.0 °C
  • Maximum temperature anomaly: 2.8 °C
  • Maximum temperature: 28.9 °C

Event center: -4.5°S 306.0°E

Area affected: 750678 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-28_to_2026-Feb-06_306.0_-4.5

Cold spell occuring from January 25 2026 to January 27 2026 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
  • Guyana
  • Suriname

Duration: 3 days

Time span: January 25 2026 to January 27 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 23.3 °C
  • Minimum temperature anomaly: -2.4 °C
  • Minimum temperature: 22.3 °C

Event center: 3.5°N 303.5°E

Area affected: 67951 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_2026-Jan-25_to_2026-Jan-27_303.5_3.5

Heat wave occuring from January 24 2026 to January 30 2026 at -30.5°S 301.0°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Brazil
  • Paraguay
  • Uruguay

Duration: 7 days

Time span: January 24 2026 to January 30 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 29.1 °C
  • Maximum temperature anomaly: 5.2 °C
  • Maximum temperature: 31.1 °C

Event center: -30.5°S 301.0°E

Area affected: 124315 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-24_to_2026-Jan-30_301.0_-30.5

Cold spell occuring from January 18 2026 to January 25 2026 at -21.5°S 315.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Brazil
  • Uruguay

Duration: 8 days

Time span: January 18 2026 to January 25 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 20.4 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 13.1 °C

Event center: -21.5°S 315.0°E

Area affected: 2258095 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_2026-Jan-18_to_2026-Jan-25_315.0_-21.5