Category: Heat waves affecting Brazil

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

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

Download data: JSON

Event type: Heat wave

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

• Brazil

Duration: 11 days

Time span: May 19 2026 to May 29 2026

Statistics over entire affected area:

• Mean temperature anomaly: 1.1 °C
• Mean temperature: 28.1 °C
• Maximum temperature anomaly: 1.9 °C
• Maximum temperature: 29.3 °C

Event center: -2.5°S 318.0°E

Area affected: 95740 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-19_to_2026-May-29_318.0_-2.5

Download data: JSON

Event type: Heat wave

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

• Brazil

Duration: 7 days

Time span: May 15 2026 to May 21 2026

Statistics over entire affected area:

• Mean temperature anomaly: 2.1 °C
• Mean temperature: 23.3 °C
• Maximum temperature anomaly: 2.8 °C
• Maximum temperature: 25.9 °C

Event center: -19.5°S 315.0°E

Area affected: 58923 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-15_to_2026-May-21_315.0_-19.5

Download data: JSON

Event type: Heat wave

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

• Brazil

Duration: 11 days

Time span: May 13 2026 to May 23 2026

Statistics over entire affected area:

• Mean temperature anomaly: 1.6 °C
• Mean temperature: 26.8 °C
• Maximum temperature anomaly: 2.3 °C
• Maximum temperature: 29.0 °C

Event center: -10.0°S 306.0°E

Area affected: 215342 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-13_to_2026-May-23_306.0_-10.0

Download data: JSON

Event type: Heat wave

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

• Brazil

Duration: 4 days

Time span: June 29 2026 to July 02 2026

Statistics over entire affected area:

• Mean temperature anomaly: 3.9 °C
• Mean temperature: 21.4 °C
• Maximum temperature anomaly: 5.1 °C
• Maximum temperature: 23.9 °C

Event center: -24.0°S 309.0°E

Area affected: 70786 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-29_to_2026-Jul-02_309.0_-24.0

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 27 2026 to July 02 2026

Statistics over entire affected area:

• Mean temperature anomaly: 1.9 °C
• Mean temperature: 25.5 °C
• Maximum temperature anomaly: 3.5 °C
• Maximum temperature: 27.5 °C

Event center: -14.0°S 305.5°E

Area affected: 188508 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-27_to_2026-Jul-02_305.5_-14.0