Category: Cold spells affecting Brazil

Download data: JSON

Event type: Cold spell

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

• Brazil

Duration: 7 days

Time span: August 31 2025 to September 06 2025

Statistics over entire affected area:

• Mean temperature anomaly: -1.5 °C
• Mean temperature: 24.2 °C
• Minimum temperature anomaly: -3.6 °C
• Minimum temperature: 20.3 °C

Event center: -6.5°S 323.0°E

Area affected: 125753 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_2025-Aug-31_to_2025-Sep-06_323.0_-6.5

Download data: JSON

Event type: Cold spell

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

• Brazil

Duration: 7 days

Time span: August 21 2025 to August 27 2025

Statistics over entire affected area:

• Mean temperature anomaly: -1.9 °C
• Mean temperature: 26.4 °C
• Minimum temperature anomaly: -2.9 °C
• Minimum temperature: 24.8 °C

Event center: -12.0°S 310.0°E

Area affected: 90646 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_2025-Aug-21_to_2025-Aug-27_310.0_-12.0

Download data: JSON

Event type: Cold spell

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

• Brazil

Duration: 13 days

Time span: August 03 2025 to August 15 2025

Statistics over entire affected area:

• Mean temperature anomaly: -4.9 °C
• Mean temperature: 17.4 °C
• Minimum temperature anomaly: -10.6 °C
• Minimum temperature: 3.5 °C

Event center: -18.5°S 306.0°E

Area affected: 1631509 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_2025-Aug-03_to_2025-Aug-15_306.0_-18.5

Download data: JSON

Event type: Cold spell

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

• Brazil

Duration: 4 days

Time span: August 02 2025 to August 05 2025

Statistics over entire affected area:

• Mean temperature anomaly: -2.4 °C
• Mean temperature: 19.4 °C
• Minimum temperature anomaly: -3.4 °C
• Minimum temperature: 16.7 °C

Event center: -18.0°S 315.0°E

Area affected: 53114 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_2025-Aug-02_to_2025-Aug-05_315.0_-18.0

Download data: JSON

Event type: Cold spell

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

• Brazil

Duration: 4 days

Time span: August 02 2025 to August 05 2025

Statistics over entire affected area:

• Mean temperature anomaly: -1.3 °C
• Mean temperature: 22.3 °C
• Minimum temperature anomaly: -1.9 °C
• Minimum temperature: 20.4 °C

Event center: -9.0°S 322.0°E

Area affected: 64198 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_2025-Aug-02_to_2025-Aug-05_322.0_-9.0

Download data: JSON

Event type: Cold spell

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

• Brazil

Duration: 6 days

Time span: July 30 2025 to August 04 2025

Statistics over entire affected area:

• Mean temperature anomaly: -3.1 °C
• Mean temperature: 15.3 °C
• Minimum temperature anomaly: -5.7 °C
• Minimum temperature: 11.6 °C

Event center: -21.5°S 314.0°E

Area affected: 123742 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_2025-Jul-30_to_2025-Aug-04_314.0_-21.5

Download data: JSON

Event type: Cold spell

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

• Brazil

Duration: 20 days

Time span: July 30 2025 to August 18 2025

Statistics over entire affected area:

• Mean temperature anomaly: -1.6 °C
• Mean temperature: 26.1 °C
• Minimum temperature anomaly: -3.1 °C
• Minimum temperature: 24.2 °C

Event center: -4.0°S 311.0°E

Area affected: 299271 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_2025-Jul-30_to_2025-Aug-18_311.0_-4.0

Download data: JSON

Event type: Cold spell

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

• Brazil

Duration: 3 days

Time span: July 29 2025 to July 31 2025

Statistics over entire affected area:

• Mean temperature anomaly: -5.0 °C
• Mean temperature: 16.1 °C
• Minimum temperature anomaly: -7.6 °C
• Minimum temperature: 8.1 °C

Event center: -20.0°S 311.5°E

Area affected: 318386 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_2025-Jul-29_to_2025-Jul-31_311.5_-20.0