Category: Extremes affecting Taiwan, Province of China

Heat wave occuring from February 21 2026 to March 04 2026 at 20.5°N 110.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Hong Kong
  • Lao People’s Democratic Republic
  • Taiwan, Province of China
  • Thailand
  • Viet Nam

Duration: 12 days

Time span: February 21 2026 to March 04 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 24.6 °C
  • Maximum temperature anomaly: 8.2 °C
  • Maximum temperature: 29.5 °C

Event center: 20.5°N 110.5°E

Area affected: 1128611 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-Feb-21_to_2026-Mar-04_110.5_20.5

Heat wave occuring from August 17 2025 to August 23 2025 at 18.5°N 120.0°E

Download data: JSON

Event type: Heat wave

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

  • Philippines
  • Taiwan, Province of China

Duration: 7 days

Time span: August 17 2025 to August 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 28.9 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 29.5 °C

Event center: 18.5°N 120.0°E

Area affected: 174221 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-17_to_2025-Aug-23_120.0_18.5

Heat wave occuring from July 03 2025 to July 23 2025 at 12.5°N 109.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Taiwan, Province of China
  • Viet Nam

Duration: 21 days

Time span: July 03 2025 to July 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 29.7 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 32.8 °C

Event center: 12.5°N 109.5°E

Area affected: 801282 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-Jul-03_to_2025-Jul-23_109.5_12.5

Cold spell occuring from March 25 2025 to April 09 2025 at 19.0°N 114.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Hong Kong
  • Kazakhstan
  • Kyrgyzstan
  • Lao People’s Democratic Republic
  • Mongolia
  • Russian Federation
  • Taiwan, Province of China
  • Tajikistan
  • Thailand
  • Viet Nam

Duration: 16 days

Time span: March 25 2025 to April 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.8 °C
  • Mean temperature: 6.8 °C
  • Minimum temperature anomaly: -14.5 °C
  • Minimum temperature: -25.8 °C

Event center: 19.0°N 114.0°E

Area affected: 6372090 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-25_to_2025-Apr-09_114.0_19.0

Cold spell occuring from March 13 2025 to March 28 2025 at 30.0°N 100.5°E

Download data: JSON

Event type: Cold spell

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

  • Cambodia
  • China
  • Japan
  • Korea, Democratic People’s Republic of
  • Korea, Republic of
  • Lao People’s Democratic Republic
  • Myanmar
  • Philippines
  • Taiwan, Province of China
  • Thailand
  • Viet Nam

Duration: 16 days

Time span: March 13 2025 to March 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 16.5 °C
  • Minimum temperature anomaly: -16.5 °C
  • Minimum temperature: -24.1 °C

Event center: 30.0°N 100.5°E

Area affected: 6868993 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-13_to_2025-Mar-28_100.5_30.0

Cold spell occuring from January 27 2025 to January 29 2025 at 24.0°N 123.5°E

Download data: JSON

Event type: Cold spell

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

  • Taiwan, Province of China

Duration: 3 days

Time span: January 27 2025 to January 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 15.1 °C
  • Minimum temperature anomaly: -5.5 °C
  • Minimum temperature: 3.2 °C

Event center: 24.0°N 123.5°E

Area affected: 104759 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-27_to_2025-Jan-29_123.5_24.0

Cold spell occuring from May 31 2024 to June 07 2024 at 26.0°N 118.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Hong Kong
  • Taiwan, Province of China

Duration: 8 days

Time span: May 31 2024 to June 07 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: 21.1 °C
  • Minimum temperature anomaly: -8.5 °C
  • Minimum temperature: 15.0 °C

Event center: 26.0°N 118.0°E

Area affected: 466291 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_2024-May-31_to_2024-Jun-07_118.0_26.0

Cold spell occuring from May 13 2024 to May 16 2024 at 25.0°N 122.0°E

Download data: JSON

Event type: Cold spell

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

  • Taiwan, Province of China

Duration: 4 days

Time span: May 13 2024 to May 16 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 22.8 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 17.6 °C

Event center: 25.0°N 122.0°E

Area affected: 50287 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_2024-May-13_to_2024-May-16_122.0_25.0

Cold spell occuring from January 22 2024 to January 24 2024 at 27.0°N 121.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Taiwan, Province of China

Duration: 3 days

Time span: January 22 2024 to January 24 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: 4.9 °C
  • Minimum temperature anomaly: -7.9 °C
  • Minimum temperature: -4.5 °C

Event center: 27.0°N 121.0°E

Area affected: 226193 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_2024-Jan-22_to_2024-Jan-24_121.0_27.0

Heat wave occuring from August 21 2023 to September 06 2023 at 23.5°N 120.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Taiwan, Province of China

Duration: 17 days

Time span: August 21 2023 to September 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 29.1 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 29.9 °C

Event center: 23.5°N 120.0°E

Area affected: 539739 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_2023-Aug-21_to_2023-Sep-06_120.0_23.5