Category: Extremes affecting Brazil

Cold spell occuring from July 03 2026 to July 05 2026 at -15.0°S 302.0°E

Download data: JSON

Event type: Cold spell

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

  • Bolivia
  • Brazil

Duration: 3 days

Time span: July 03 2026 to July 05 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -5.1 °C
  • Mean temperature: 18.7 °C
  • Minimum temperature anomaly: -7.4 °C
  • Minimum temperature: 16.2 °C

Event center: -15.0°S 302.0°E

Area affected: 124963 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2026-Jul-03_to_2026-Jul-05_302.0_-15.0

Heat wave occuring from July 02 2026 to July 11 2026 at -4.0°S 305.5°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: July 02 2026 to July 11 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 29.2 °C

Event center: -4.0°S 305.5°E

Area affected: 357753 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Jul-02_to_2026-Jul-11_305.5_-4.0

Cold spell occuring from June 23 2026 to June 27 2026 at -18.5°S 307.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia
  • Brazil
  • Paraguay
  • Peru

Duration: 5 days

Time span: June 23 2026 to June 27 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -6.4 °C
  • Mean temperature: 13.0 °C
  • Minimum temperature anomaly: -11.0 °C
  • Minimum temperature: 0.5 °C

Event center: -18.5°S 307.5°E

Area affected: 1906249 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-Jun-23_to_2026-Jun-27_307.5_-18.5

Heat wave occuring from June 22 2026 to June 27 2026 at -5.5°S 306.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 6 days

Time span: June 22 2026 to June 27 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 27.3 °C
  • Maximum temperature anomaly: 2.1 °C
  • Maximum temperature: 27.9 °C

Event center: -5.5°S 306.0°E

Area affected: 61427 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-Jun-22_to_2026-Jun-27_306.0_-5.5

Cold spell occuring from June 19 2026 to June 24 2026 at -16.5°S 316.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 6 days

Time span: June 19 2026 to June 24 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 18.9 °C
  • Minimum temperature anomaly: -3.6 °C
  • Minimum temperature: 15.7 °C

Event center: -16.5°S 316.5°E

Area affected: 276199 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-Jun-19_to_2026-Jun-24_316.5_-16.5

Cold spell occuring from June 04 2026 to June 12 2026 at -17.0°S 315.0°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 9 days

Time span: June 04 2026 to June 12 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 20.1 °C
  • Minimum temperature anomaly: -5.2 °C
  • Minimum temperature: 11.8 °C

Event center: -17.0°S 315.0°E

Area affected: 1380214 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-Jun-04_to_2026-Jun-12_315.0_-17.0

Heat wave occuring from May 29 2026 to June 06 2026 at 3.0°N 307.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil
  • French Guiana
  • Suriname

Duration: 9 days

Time span: May 29 2026 to June 06 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 27.4 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 28.4 °C

Event center: 3.0°N 307.0°E

Area affected: 438645 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-May-29_to_2026-Jun-06_307.0_3.0

Cold spell occuring from May 27 2026 to May 31 2026 at -12.0°S 312.5°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: May 27 2026 to May 31 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 24.1 °C
  • Minimum temperature anomaly: -2.8 °C
  • Minimum temperature: 20.9 °C

Event center: -12.0°S 312.5°E

Area affected: 78502 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-May-27_to_2026-May-31_312.5_-12.0

Heat wave occuring from May 27 2026 to June 03 2026 at -5.5°S 315.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 8 days

Time span: May 27 2026 to June 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 2.2 °C
  • Maximum temperature: 29.3 °C

Event center: -5.5°S 315.0°E

Area affected: 197071 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-May-27_to_2026-Jun-03_315.0_-5.5

Heat wave occuring from May 24 2026 to May 28 2026 at -21.5°S 313.0°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: May 24 2026 to May 28 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 22.5 °C
  • Maximum temperature anomaly: 3.3 °C
  • Maximum temperature: 25.7 °C

Event center: -21.5°S 313.0°E

Area affected: 75689 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-May-24_to_2026-May-28_313.0_-21.5