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: 15 days

Time span: March 14 2026 to March 28 2026

Statistics over entire affected area:

• Mean temperature anomaly: 1.0 °C
• Mean temperature: 28.0 °C
• Maximum temperature anomaly: 2.1 °C
• Maximum temperature: 29.8 °C

Event center: -9.0°S 326.5°E

Area affected: 504871 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-Mar-14_to_2026-Mar-28_326.5_-9.0

Download data: JSON

Event type: Heat wave

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

• Brazil

Duration: 11 days

Time span: March 13 2026 to March 23 2026

Statistics over entire affected area:

• Mean temperature anomaly: 0.9 °C
• Mean temperature: 27.6 °C
• Maximum temperature anomaly: 1.4 °C
• Maximum temperature: 28.1 °C

Event center: -17.0°S 325.0°E

Area affected: 264580 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-Mar-13_to_2026-Mar-23_325.0_-17.0

Download data: JSON

Event type: Heat wave

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

• Brazil

Duration: 5 days

Time span: March 08 2026 to March 12 2026

Statistics over entire affected area:

• Mean temperature anomaly: 1.5 °C
• Mean temperature: 26.2 °C
• Maximum temperature anomaly: 2.4 °C
• Maximum temperature: 27.4 °C

Event center: -6.0°S 305.5°E

Area affected: 135049 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-Mar-08_to_2026-Mar-12_305.5_-6.0

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 22 2026 to January 26 2026

Statistics over entire affected area:

• Mean temperature anomaly: 1.1 °C
• Mean temperature: 27.2 °C
• Maximum temperature anomaly: 1.9 °C
• Maximum temperature: 27.9 °C

Event center: 0.0°N 311.0°E

Area affected: 367784 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-22_to_2026-Jan-26_311.0_0.0

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

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

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

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