Category: Extremes affecting Brazil

Heat wave occuring from January 14 2026 to January 18 2026 at -30.0°S 310.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 5 days

Time span: January 14 2026 to January 18 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 25.6 °C
  • Maximum temperature anomaly: 4.5 °C
  • Maximum temperature: 29.3 °C

Event center: -30.0°S 310.0°E

Area affected: 194952 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-14_to_2026-Jan-18_310.0_-30.0

Heat wave occuring from January 09 2026 to January 12 2026 at -21.5°S 312.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 4 days

Time span: January 09 2026 to January 12 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 26.2 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 30.0 °C

Event center: -21.5°S 312.0°E

Area affected: 85826 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-09_to_2026-Jan-12_312.0_-21.5

Heat wave occuring from January 08 2026 to January 17 2026 at -5.0°S 317.0°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 08 2026 to January 17 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 29.0 °C
  • Maximum temperature anomaly: 4.2 °C
  • Maximum temperature: 32.2 °C

Event center: -5.0°S 317.0°E

Area affected: 239603 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-08_to_2026-Jan-17_317.0_-5.0

Heat wave occuring from January 01 2026 to January 05 2026 at 0.5°N 297.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 5 days

Time span: January 01 2026 to January 05 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 29.8 °C

Event center: 0.5°N 297.5°E

Area affected: 176067 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-01_to_2026-Jan-05_297.5_0.5

Cold spell occuring from March 07 2026 to March 14 2026 at -22.5°S 310.5°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: March 07 2026 to March 14 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 22.2 °C
  • Minimum temperature anomaly: -4.1 °C
  • Minimum temperature: 17.1 °C

Event center: -22.5°S 310.5°E

Area affected: 517358 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-Mar-07_to_2026-Mar-14_310.5_-22.5

Cold spell occuring from February 27 2026 to March 03 2026 at -23.5°S 313.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 5 days

Time span: February 27 2026 to March 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 20.2 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: 18.4 °C

Event center: -23.5°S 313.5°E

Area affected: 74132 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-27_to_2026-Mar-03_313.5_-23.5

Cold spell occuring from February 26 2026 to March 02 2026 at -2.0°S 310.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 5 days

Time span: February 26 2026 to March 02 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 24.5 °C
  • Minimum temperature anomaly: -3.1 °C
  • Minimum temperature: 23.0 °C

Event center: -2.0°S 310.5°E

Area affected: 98803 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-26_to_2026-Mar-02_310.5_-2.0

Cold spell occuring from February 23 2026 to February 25 2026 at -16.5°S 303.5°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: 3 days

Time span: February 23 2026 to February 25 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 24.1 °C
  • Minimum temperature anomaly: -3.2 °C
  • Minimum temperature: 21.8 °C

Event center: -16.5°S 303.5°E

Area affected: 242914 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-23_to_2026-Feb-25_303.5_-16.5

Heat wave occuring from February 22 2026 to February 24 2026 at 3.5°N 310.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 3 days

Time span: February 22 2026 to February 24 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 0.8 °C
  • Mean temperature: 26.7 °C
  • Maximum temperature anomaly: 1.0 °C
  • Maximum temperature: 26.9 °C

Event center: 3.5°N 310.0°E

Area affected: 64784 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-22_to_2026-Feb-24_310.0_3.5

Cold spell occuring from February 20 2026 to March 01 2026 at -14.5°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: February 20 2026 to March 01 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 23.0 °C
  • Minimum temperature anomaly: -3.2 °C
  • Minimum temperature: 19.8 °C

Event center: -14.5°S 312.0°E

Area affected: 152895 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-20_to_2026-Mar-01_312.0_-14.5