Category: Cold spells affecting Brazil

Cold spell occuring from March 27 2025 to April 01 2025 at 3.0°N 304.0°E

Download data: JSON

Event type: Cold spell

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

  • Brazil
  • French Guiana
  • Suriname

Duration: 6 days

Time span: March 27 2025 to April 01 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 23.8 °C
  • Minimum temperature anomaly: -2.4 °C
  • Minimum temperature: 22.5 °C

Event center: 3.0°N 304.0°E

Area affected: 95634 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-Mar-27_to_2025-Apr-01_304.0_3.0

Cold spell occuring from March 14 2025 to March 19 2025 at -6.0°S 319.5°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: March 14 2025 to March 19 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 24.9 °C
  • Minimum temperature anomaly: -2.6 °C
  • Minimum temperature: 23.4 °C

Event center: -6.0°S 319.5°E

Area affected: 61565 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-Mar-14_to_2025-Mar-19_319.5_-6.0

Cold spell occuring from March 10 2025 to March 15 2025 at -33.0°S 304.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Brazil
  • Uruguay

Duration: 6 days

Time span: March 10 2025 to March 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: 16.2 °C
  • Minimum temperature anomaly: -7.9 °C
  • Minimum temperature: 11.1 °C

Event center: -33.0°S 304.0°E

Area affected: 650648 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-Mar-10_to_2025-Mar-15_304.0_-33.0

Cold spell occuring from March 07 2025 to March 11 2025 at -4.5°S 319.0°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: March 07 2025 to March 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 24.4 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: 22.2 °C

Event center: -4.5°S 319.0°E

Area affected: 70887 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-Mar-07_to_2025-Mar-11_319.0_-4.5

Cold spell occuring from March 07 2025 to March 24 2025 at 4.5°N 299.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil
  • Guyana
  • Venezuela, Bolivarian Republic of

Duration: 18 days

Time span: March 07 2025 to March 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 25.0 °C
  • Minimum temperature anomaly: -5.5 °C
  • Minimum temperature: 19.9 °C

Event center: 4.5°N 299.5°E

Area affected: 77129 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-Mar-07_to_2025-Mar-24_299.5_4.5

Cold spell occuring from February 11 2025 to February 14 2025 at -6.5°S 291.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 4 days

Time span: February 11 2025 to February 14 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 24.3 °C
  • Minimum temperature anomaly: -2.1 °C
  • Minimum temperature: 23.5 °C

Event center: -6.5°S 291.5°E

Area affected: 64507 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-Feb-11_to_2025-Feb-14_291.5_-6.5

Cold spell occuring from February 10 2025 to February 13 2025 at -7.5°S 286.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil
  • Peru

Duration: 4 days

Time span: February 10 2025 to February 13 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 24.0 °C
  • Minimum temperature anomaly: -2.5 °C
  • Minimum temperature: 23.4 °C

Event center: -7.5°S 286.5°E

Area affected: 55147 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-Feb-10_to_2025-Feb-13_286.5_-7.5

Cold spell occuring from February 04 2025 to February 10 2025 at -7.5°S 323.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 7 days

Time span: February 04 2025 to February 10 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 24.5 °C
  • Minimum temperature anomaly: -3.8 °C
  • Minimum temperature: 20.8 °C

Event center: -7.5°S 323.5°E

Area affected: 165135 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-Feb-04_to_2025-Feb-10_323.5_-7.5

Cold spell occuring from January 23 2025 to January 26 2025 at 5.5°N 292.0°E

Download data: JSON

Event type: Cold spell

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

  • Brazil
  • Colombia
  • Venezuela, Bolivarian Republic of

Duration: 4 days

Time span: January 23 2025 to January 26 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 23.8 °C
  • Minimum temperature anomaly: -3.7 °C
  • Minimum temperature: 18.8 °C

Event center: 5.5°N 292.0°E

Area affected: 160276 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-Jan-23_to_2025-Jan-26_292.0_5.5

Cold spell occuring from January 21 2025 to January 27 2025 at 3.5°N 303.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil
  • French Guiana
  • Suriname

Duration: 7 days

Time span: January 21 2025 to January 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 23.5 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: 21.9 °C

Event center: 3.5°N 303.5°E

Area affected: 120370 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-Jan-21_to_2025-Jan-27_303.5_3.5