Category: Cold spells affecting Uruguay

Cold spell occuring from January 18 2026 to January 25 2026 at -21.5°S 315.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Brazil
  • Uruguay

Duration: 8 days

Time span: January 18 2026 to January 25 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 20.4 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 13.1 °C

Event center: -21.5°S 315.0°E

Area affected: 2258095 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-Jan-18_to_2026-Jan-25_315.0_-21.5

Cold spell occuring from January 08 2026 to January 11 2026 at -35.0°S 302.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Uruguay

Duration: 4 days

Time span: January 08 2026 to January 11 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 18.4 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 15.6 °C

Event center: -35.0°S 302.5°E

Area affected: 62752 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-Jan-08_to_2026-Jan-11_302.5_-35.0

Cold spell occuring from January 08 2026 to January 13 2026 at -25.5°S 303.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Brazil
  • Paraguay
  • Uruguay

Duration: 6 days

Time span: January 08 2026 to January 13 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 22.2 °C
  • Minimum temperature anomaly: -6.4 °C
  • Minimum temperature: 17.4 °C

Event center: -25.5°S 303.0°E

Area affected: 610053 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-Jan-08_to_2026-Jan-13_303.0_-25.5

Cold spell occuring from January 01 2026 to January 09 2026 at -47.5°S 305.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Brazil
  • Uruguay

Duration: 9 days

Time span: January 01 2026 to January 09 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 13.3 °C
  • Minimum temperature anomaly: -7.8 °C
  • Minimum temperature: 4.7 °C

Event center: -47.5°S 305.0°E

Area affected: 2994297 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-Jan-01_to_2026-Jan-09_305.0_-47.5

Cold spell occuring from November 06 2025 to November 11 2025 at -29.5°S 310.5°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: November 06 2025 to November 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 15.3 °C
  • Minimum temperature anomaly: -6.7 °C
  • Minimum temperature: 10.3 °C

Event center: -29.5°S 310.5°E

Area affected: 302949 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-Nov-06_to_2025-Nov-11_310.5_-29.5

Cold spell occuring from October 26 2025 to November 01 2025 at -18.0°S 297.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia, Plurinational State of
  • Brazil
  • Chile
  • Paraguay
  • Peru
  • Uruguay

Duration: 7 days

Time span: October 26 2025 to November 01 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.4 °C
  • Mean temperature: 14.2 °C
  • Minimum temperature anomaly: -13.6 °C
  • Minimum temperature: -1.0 °C

Event center: -18.0°S 297.0°E

Area affected: 2424586 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-Oct-26_to_2025-Nov-01_297.0_-18.0

Cold spell occuring from September 04 2025 to September 07 2025 at -32.5°S 302.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Brazil
  • Paraguay
  • Uruguay

Duration: 4 days

Time span: September 04 2025 to September 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.3 °C
  • Mean temperature: 9.0 °C
  • Minimum temperature anomaly: -8.3 °C
  • Minimum temperature: 4.0 °C

Event center: -32.5°S 302.5°E

Area affected: 583764 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-Sep-04_to_2025-Sep-07_302.5_-32.5

Cold spell occuring from June 24 2025 to July 23 2025 at -12.0°S 310.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia, Plurinational State of
  • Brazil
  • Chile
  • Colombia
  • Ecuador
  • Guyana
  • Paraguay
  • Peru
  • Uruguay
  • Venezuela, Bolivarian Republic of

Duration: 30 days

Time span: June 24 2025 to July 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 12.5 °C
  • Minimum temperature anomaly: -17.5 °C
  • Minimum temperature: -18.7 °C

Event center: -12.0°S 310.0°E

Area affected: 11697282 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-Jun-24_to_2025-Jul-23_310.0_-12.0

Cold spell occuring from May 28 2025 to June 02 2025 at -11.5°S 301.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia, Plurinational State of
  • Brazil
  • Paraguay
  • Peru
  • Uruguay

Duration: 6 days

Time span: May 28 2025 to June 02 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: 16.7 °C
  • Minimum temperature anomaly: -10.4 °C
  • Minimum temperature: 4.8 °C

Event center: -11.5°S 301.5°E

Area affected: 2519036 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-May-28_to_2025-Jun-02_301.5_-11.5

Cold spell occuring from April 03 2025 to April 08 2025 at -39.5°S 304.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Uruguay

Duration: 6 days

Time span: April 03 2025 to April 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.2 °C
  • Mean temperature: 12.3 °C
  • Minimum temperature anomaly: -9.6 °C
  • Minimum temperature: 3.5 °C

Event center: -39.5°S 304.0°E

Area affected: 1299429 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-Apr-03_to_2025-Apr-08_304.0_-39.5