Category: Cold spells affecting Samoa

Cold spell occuring from September 14 2025 to September 24 2025 at -16.0°S 188.0°E

Download data: JSON

Event type: Cold spell

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

  • Samoa

Duration: 11 days

Time span: September 14 2025 to September 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.5 °C
  • Mean temperature: 23.6 °C
  • Minimum temperature anomaly: -2.7 °C
  • Minimum temperature: 19.3 °C

Event center: -16.0°S 188.0°E

Area affected: 944955 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-14_to_2025-Sep-24_188.0_-16.0

Cold spell occuring from August 08 2024 to August 16 2024 at -17.5°S 195.5°E

Download data: JSON

Event type: Cold spell

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

  • Samoa
  • Tonga

Duration: 9 days

Time span: August 08 2024 to August 16 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -1.5 °C
  • Mean temperature: 23.3 °C
  • Minimum temperature anomaly: -2.6 °C
  • Minimum temperature: 19.8 °C

Event center: -17.5°S 195.5°E

Area affected: 1491852 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-Aug-08_to_2024-Aug-16_195.5_-17.5

Cold spell occuring from February 18 2023 to February 24 2023 at -12.5°S 193.5°E

Download data: JSON

Event type: Cold spell

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

  • Cook Islands
  • Samoa

Duration: 7 days

Time span: February 18 2023 to February 24 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 25.8 °C
  • Minimum temperature anomaly: -2.2 °C
  • Minimum temperature: 24.9 °C

Event center: -12.5°S 193.5°E

Area affected: 551745 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_2023-Feb-18_to_2023-Feb-24_193.5_-12.5

Cold spell occuring from May 12 2022 to May 19 2022 at -12.0°S 188.5°E

Download data: JSON

Event type: Cold spell

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

  • Samoa

Duration: 8 days

Time span: May 12 2022 to May 19 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -1.1 °C
  • Mean temperature: 26.2 °C
  • Minimum temperature anomaly: -1.7 °C
  • Minimum temperature: 24.0 °C

Event center: -12.0°S 188.5°E

Area affected: 75511 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_2022-May-12_to_2022-May-19_188.5_-12.0

Cold spell occuring from January 31 2022 to February 04 2022 at -13.0°S 188.5°E

Download data: JSON

Event type: Cold spell

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

  • Samoa

Duration: 5 days

Time span: January 31 2022 to February 04 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -1.1 °C
  • Mean temperature: 26.0 °C
  • Minimum temperature anomaly: -1.6 °C
  • Minimum temperature: 24.0 °C

Event center: -13.0°S 188.5°E

Area affected: 120733 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_2022-Jan-31_to_2022-Feb-04_188.5_-13.0

Cold spell occuring from November 29 2021 to December 05 2021 at -12.0°S 185.0°E

Download data: JSON

Event type: Cold spell

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

  • Samoa

Duration: 7 days

Time span: November 29 2021 to December 05 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.0 °C
  • Mean temperature: 26.1 °C
  • Minimum temperature anomaly: -1.6 °C
  • Minimum temperature: 23.7 °C

Event center: -12.0°S 185.0°E

Area affected: 538661 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_2021-Nov-29_to_2021-Dec-05_185.0_-12.0

Cold spell occuring from November 15 2021 to November 18 2021 at -14.0°S 187.0°E

Download data: JSON

Event type: Cold spell

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

  • Samoa

Duration: 4 days

Time span: November 15 2021 to November 18 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.1 °C
  • Mean temperature: 25.7 °C
  • Minimum temperature anomaly: -1.7 °C
  • Minimum temperature: 23.6 °C

Event center: -14.0°S 187.0°E

Area affected: 95891 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_2021-Nov-15_to_2021-Nov-18_187.0_-14.0

Cold spell occuring from October 23 2021 to January 14 2023 at -15.0°S 284.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Aruba
  • Belize
  • Bolivia, Plurinational State of
  • Bonaire, Sint Eustatius and Saba
  • Brazil
  • Chile
  • Colombia
  • Cook Islands
  • Costa Rica
  • Cuba
  • Dominican Republic
  • Ecuador
  • El Salvador
  • French Guiana
  • French Polynesia
  • Guatemala
  • Guyana
  • Haiti
  • Honduras
  • Jamaica
  • Mexico
  • Nicaragua
  • Panama
  • Paraguay
  • Peru
  • Puerto Rico
  • Samoa
  • Sint Maarten (Dutch part)
  • Suriname
  • Uruguay
  • Venezuela, Bolivarian Republic of

Duration: 449 days

Time span: October 23 2021 to January 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 21.7 °C
  • Minimum temperature anomaly: -15.4 °C
  • Minimum temperature: -25.1 °C

Event center: -15.0°S 284.5°E

Area affected: 80783998 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_2021-Oct-23_to_2023-Jan-14_284.5_-15.0

Cold spell occuring from August 22 2021 to August 29 2021 at -13.0°S 185.5°E

Download data: JSON

Event type: Cold spell

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

  • Samoa

Duration: 8 days

Time span: August 22 2021 to August 29 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.0 °C
  • Mean temperature: 25.3 °C
  • Minimum temperature anomaly: -1.4 °C
  • Minimum temperature: 24.1 °C

Event center: -13.0°S 185.5°E

Area affected: 87078 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_2021-Aug-22_to_2021-Aug-29_185.5_-13.0

Cold spell occuring from June 11 2021 to June 14 2021 at -14.0°S 194.5°E

Download data: JSON

Event type: Cold spell

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

  • Samoa

Duration: 4 days

Time span: June 11 2021 to June 14 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -1.2 °C
  • Mean temperature: 25.7 °C
  • Minimum temperature anomaly: -2.1 °C
  • Minimum temperature: 24.1 °C

Event center: -14.0°S 194.5°E

Area affected: 204165 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_2021-Jun-11_to_2021-Jun-14_194.5_-14.0