Category: Extremes affecting Mexico

Cold spell occuring from February 22 2026 to March 05 2026 at 11.5°N 263.5°E

Download data: JSON

Event type: Cold spell

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

  • Bahamas
  • Belize
  • Cuba
  • Guatemala
  • Mexico
  • United States

Duration: 12 days

Time span: February 22 2026 to March 05 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 19.3 °C
  • Minimum temperature anomaly: -11.5 °C
  • Minimum temperature: 4.3 °C

Event center: 11.5°N 263.5°E

Area affected: 1904195 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-Feb-22_to_2026-Mar-05_263.5_11.5

Cold spell occuring from January 21 2026 to February 22 2026 at 12.0°N 265.5°E

Download data: JSON

Event type: Cold spell

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

  • Bahamas
  • Belize
  • Canada
  • Colombia
  • Costa Rica
  • Cuba
  • El Salvador
  • Guatemala
  • Haiti
  • Honduras
  • Mexico
  • Nicaragua
  • Panama
  • Turks and Caicos Islands
  • United States

Duration: 33 days

Time span: January 21 2026 to February 22 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -7.7 °C
  • Mean temperature: 2.4 °C
  • Minimum temperature anomaly: -25.2 °C
  • Minimum temperature: -41.8 °C

Event center: 12.0°N 265.5°E

Area affected: 15448330 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-21_to_2026-Feb-22_265.5_12.0

Cold spell occuring from January 10 2026 to January 15 2026 at 25.0°N 257.5°E

Download data: JSON

Event type: Cold spell

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

  • Mexico

Duration: 6 days

Time span: January 10 2026 to January 15 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -6.1 °C
  • Mean temperature: 4.7 °C
  • Minimum temperature anomaly: -11.0 °C
  • Minimum temperature: -0.2 °C

Event center: 25.0°N 257.5°E

Area affected: 207367 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-10_to_2026-Jan-15_257.5_25.0

Heat wave occuring from January 05 2026 to January 30 2026 at 14.0°N 267.0°E

Download data: JSON

Event type: Heat wave

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

  • Guatemala
  • Mexico

Duration: 26 days

Time span: January 05 2026 to January 30 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 27.6 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 29.1 °C

Event center: 14.0°N 267.0°E

Area affected: 175265 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-05_to_2026-Jan-30_267.0_14.0

Heat wave occuring from December 11 2025 to December 15 2025 at 19.0°N 265.0°E

Download data: JSON

Event type: Heat wave

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

  • Mexico

Duration: 5 days

Time span: December 11 2025 to December 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 24.9 °C
  • Maximum temperature anomaly: 4.5 °C
  • Maximum temperature: 26.4 °C

Event center: 19.0°N 265.0°E

Area affected: 143792 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_2025-Dec-11_to_2025-Dec-15_265.0_19.0

Heat wave occuring from December 01 2025 to December 08 2025 at 21.0°N 259.0°E

Download data: JSON

Event type: Heat wave

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

  • Mexico

Duration: 8 days

Time span: December 01 2025 to December 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 16.9 °C
  • Maximum temperature anomaly: 5.0 °C
  • Maximum temperature: 19.8 °C

Event center: 21.0°N 259.0°E

Area affected: 89228 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_2025-Dec-01_to_2025-Dec-08_259.0_21.0

Cold spell occuring from November 19 2025 to November 23 2025 at 31.0°N 244.5°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 5 days

Time span: November 19 2025 to November 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 10.8 °C
  • Minimum temperature anomaly: -7.7 °C
  • Minimum temperature: 4.0 °C

Event center: 31.0°N 244.5°E

Area affected: 68173 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-19_to_2025-Nov-23_244.5_31.0

Cold spell occuring from November 11 2025 to November 15 2025 at 17.0°N 270.0°E

Download data: JSON

Event type: Cold spell

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

  • Belize
  • Guatemala
  • Mexico

Duration: 5 days

Time span: November 11 2025 to November 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: 21.1 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: 14.1 °C

Event center: 17.0°N 270.0°E

Area affected: 156288 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-11_to_2025-Nov-15_270.0_17.0

Heat wave occuring from November 04 2025 to November 08 2025 at 31.0°N 256.0°E

Download data: JSON

Event type: Heat wave

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

  • Mexico
  • United States

Duration: 5 days

Time span: November 04 2025 to November 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 20.4 °C
  • Maximum temperature anomaly: 8.1 °C
  • Maximum temperature: 23.7 °C

Event center: 31.0°N 256.0°E

Area affected: 101711 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_2025-Nov-04_to_2025-Nov-08_256.0_31.0

Heat wave occuring from October 31 2025 to November 09 2025 at 32.0°N 250.5°E

Download data: JSON

Event type: Heat wave

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

  • Mexico
  • United States

Duration: 10 days

Time span: October 31 2025 to November 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.0 °C
  • Mean temperature: 13.5 °C
  • Maximum temperature anomaly: 7.5 °C
  • Maximum temperature: 19.5 °C

Event center: 32.0°N 250.5°E

Area affected: 124967 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_2025-Oct-31_to_2025-Nov-09_250.5_32.0