Category: Extremes affecting Mexico

Heat wave occuring from October 16 2025 to October 31 2025 at 15.5°N 280.0°E

Download data: JSON

Event type: Heat wave

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

  • Colombia
  • Cuba
  • Jamaica
  • Mexico
  • United States

Duration: 16 days

Time span: October 16 2025 to October 31 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 6.5 °C
  • Maximum temperature: 30.4 °C

Event center: 15.5°N 280.0°E

Area affected: 1861646 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-16_to_2025-Oct-31_280.0_15.5

Cold spell occuring from October 10 2025 to October 23 2025 at 19.0°N 249.5°E

Download data: JSON

Event type: Cold spell

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

  • Mexico

Duration: 14 days

Time span: October 10 2025 to October 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 24.7 °C
  • Minimum temperature anomaly: -3.8 °C
  • Minimum temperature: 21.7 °C

Event center: 19.0°N 249.5°E

Area affected: 489262 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-10_to_2025-Oct-23_249.5_19.0

Heat wave occuring from October 06 2025 to October 11 2025 at 26.5°N 250.5°E

Download data: JSON

Event type: Heat wave

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

  • Mexico

Duration: 6 days

Time span: October 06 2025 to October 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 29.8 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 32.3 °C

Event center: 26.5°N 250.5°E

Area affected: 100345 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-06_to_2025-Oct-11_250.5_26.5

Heat wave occuring from October 05 2025 to October 11 2025 at 30.0°N 262.5°E

Download data: JSON

Event type: Heat wave

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

  • Mexico
  • United States

Duration: 7 days

Time span: October 05 2025 to October 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 6.3 °C
  • Maximum temperature: 29.6 °C

Event center: 30.0°N 262.5°E

Area affected: 440482 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-05_to_2025-Oct-11_262.5_30.0

Heat wave occuring from September 28 2025 to October 08 2025 at 22.5°N 250.0°E

Download data: JSON

Event type: Heat wave

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

  • Mexico

Duration: 11 days

Time span: September 28 2025 to October 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 28.9 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 30.7 °C

Event center: 22.5°N 250.0°E

Area affected: 214726 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-Sep-28_to_2025-Oct-08_250.0_22.5

Cold spell occuring from September 11 2025 to September 19 2025 at 18.5°N 271.5°E

Download data: JSON

Event type: Cold spell

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

  • Belize
  • Guatemala
  • Mexico

Duration: 9 days

Time span: September 11 2025 to September 19 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 25.5 °C
  • Minimum temperature anomaly: -2.7 °C
  • Minimum temperature: 24.7 °C

Event center: 18.5°N 271.5°E

Area affected: 52646 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-11_to_2025-Sep-19_271.5_18.5

Heat wave occuring from September 08 2025 to September 12 2025 at 33.0°N 251.5°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: September 08 2025 to September 12 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.2 °C
  • Mean temperature: 25.5 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 32.0 °C

Event center: 33.0°N 251.5°E

Area affected: 229169 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-Sep-08_to_2025-Sep-12_251.5_33.0

Heat wave occuring from September 03 2025 to September 06 2025 at 26.5°N 261.0°E

Download data: JSON

Event type: Heat wave

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

  • Mexico
  • United States

Duration: 4 days

Time span: September 03 2025 to September 06 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 32.0 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 34.4 °C

Event center: 26.5°N 261.0°E

Area affected: 88127 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-Sep-03_to_2025-Sep-06_261.0_26.5

Cold spell occuring from September 03 2025 to September 07 2025 at 30.5°N 252.5°E

Download data: JSON

Event type: Cold spell

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

  • Mexico

Duration: 5 days

Time span: September 03 2025 to September 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 22.7 °C
  • Minimum temperature anomaly: -6.1 °C
  • Minimum temperature: 15.4 °C

Event center: 30.5°N 252.5°E

Area affected: 136535 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-03_to_2025-Sep-07_252.5_30.5

Heat wave occuring from August 28 2025 to September 01 2025 at 26.5°N 257.0°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: August 28 2025 to September 01 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 31.1 °C
  • Maximum temperature anomaly: 4.8 °C
  • Maximum temperature: 34.4 °C

Event center: 26.5°N 257.0°E

Area affected: 177956 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-Aug-28_to_2025-Sep-01_257.0_26.5