Author: WEXA

Cold spell occuring from June 27 2026 to July 03 2026 at 33.0°N 244.0°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 7 days

Time span: June 27 2026 to July 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 24.5 °C
  • Minimum temperature anomaly: -9.3 °C
  • Minimum temperature: 7.6 °C

Event center: 33.0°N 244.0°E

Area affected: 467227 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2026-Jun-27_to_2026-Jul-03_244.0_33.0

Heat wave occuring from June 27 2026 to July 02 2026 at -14.0°S 305.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 6 days

Time span: June 27 2026 to July 02 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 25.5 °C
  • Maximum temperature anomaly: 3.5 °C
  • Maximum temperature: 27.5 °C

Event center: -14.0°S 305.5°E

Area affected: 188508 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-Jun-27_to_2026-Jul-02_305.5_-14.0

Cold spell occuring from June 26 2026 to July 03 2026 at 44.0°N 58.5°E

Download data: JSON

Event type: Cold spell

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

  • Iran
  • Kazakhstan
  • Russian Federation
  • Turkmenistan
  • Uzbekistan

Duration: 8 days

Time span: June 26 2026 to July 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -6.6 °C
  • Mean temperature: 20.1 °C
  • Minimum temperature anomaly: -11.2 °C
  • Minimum temperature: 12.4 °C

Event center: 44.0°N 58.5°E

Area affected: 1759176 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2026-Jun-26_to_2026-Jul-03_58.5_44.0

Cold spell occuring from June 26 2026 to July 05 2026 at 68.0°N 188.0°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation
  • United States

Duration: 10 days

Time span: June 26 2026 to July 05 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 1.0 °C
  • Minimum temperature anomaly: -10.3 °C
  • Minimum temperature: -0.7 °C

Event center: 68.0°N 188.0°E

Area affected: 340428 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2026-Jun-26_to_2026-Jul-05_188.0_68.0

Heat wave occuring from June 25 2026 to July 10 2026 at 10.5°N 297.5°E

Download data: JSON

Event type: Heat wave

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

  • Guyana
  • Venezuela

Duration: 16 days

Time span: June 25 2026 to July 10 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 0.9 °C
  • Mean temperature: 27.1 °C
  • Maximum temperature anomaly: 1.7 °C
  • Maximum temperature: 27.8 °C

Event center: 10.5°N 297.5°E

Area affected: 183028 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-Jun-25_to_2026-Jul-10_297.5_10.5

Heat wave occuring from June 25 2026 to July 14 2026 at 25.5°N 60.5°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Iran
  • Oman
  • Pakistan
  • United Arab Emirates

Duration: 20 days

Time span: June 25 2026 to July 14 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 35.5 °C
  • Maximum temperature anomaly: 7.6 °C
  • Maximum temperature: 44.6 °C

Event center: 25.5°N 60.5°E

Area affected: 1015451 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Jun-25_to_2026-Jul-14_60.5_25.5

Heat wave occuring from June 24 2026 to July 02 2026 at -52.0°S 80.0°E

Download data: JSON

Event type: Heat wave

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

  • French Southern Territories

Duration: 9 days

Time span: June 24 2026 to July 02 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.2 °C
  • Mean temperature: 3.8 °C
  • Maximum temperature anomaly: 8.0 °C
  • Maximum temperature: 11.7 °C

Event center: -52.0°S 80.0°E

Area affected: 3573353 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-Jun-24_to_2026-Jul-02_80.0_-52.0

Heat wave occuring from June 24 2026 to July 08 2026 at -46.5°S 145.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia
  • New Zealand

Duration: 15 days

Time span: June 24 2026 to July 08 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 11.7 °C
  • Maximum temperature anomaly: 9.1 °C
  • Maximum temperature: 22.9 °C

Event center: -46.5°S 145.0°E

Area affected: 8265410 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Jun-24_to_2026-Jul-08_145.0_-46.5

Cold spell occuring from June 23 2026 to July 01 2026 at 44.5°N 246.5°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 9 days

Time span: June 23 2026 to July 01 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -7.3 °C
  • Mean temperature: 10.9 °C
  • Minimum temperature anomaly: -12.2 °C
  • Minimum temperature: 0.1 °C

Event center: 44.5°N 246.5°E

Area affected: 715790 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-Jun-23_to_2026-Jul-01_246.5_44.5

Heat wave occuring from June 23 2026 to July 13 2026 at -17.0°S 139.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 21 days

Time span: June 23 2026 to July 13 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.2 °C
  • Mean temperature: 23.3 °C
  • Maximum temperature anomaly: 7.5 °C
  • Maximum temperature: 27.2 °C

Event center: -17.0°S 139.5°E

Area affected: 1431736 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Jun-23_to_2026-Jul-13_139.5_-17.0