Category: Cold spells affecting South Africa

Cold spell occuring from February 06 2025 to February 23 2025 at -29.0°S 16.5°E

Download data: JSON

Event type: Cold spell

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

  • Namibia
  • South Africa

Duration: 18 days

Time span: February 06 2025 to February 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 17.3 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 14.0 °C

Event center: -29.0°S 16.5°E

Area affected: 294257 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-Feb-06_to_2025-Feb-23_16.5_-29.0

Cold spell occuring from January 13 2025 to January 18 2025 at -21.0°S 26.5°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • South Africa
  • Zimbabwe

Duration: 6 days

Time span: January 13 2025 to January 18 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 21.1 °C
  • Minimum temperature anomaly: -6.8 °C
  • Minimum temperature: 18.1 °C

Event center: -21.0°S 26.5°E

Area affected: 132035 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-13_to_2025-Jan-18_26.5_-21.0

Cold spell occuring from December 19 2024 to December 24 2024 at -24.0°S 25.5°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • South Africa

Duration: 6 days

Time span: December 19 2024 to December 24 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 22.5 °C
  • Minimum temperature anomaly: -5.0 °C
  • Minimum temperature: 20.7 °C

Event center: -24.0°S 25.5°E

Area affected: 76207 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-Dec-19_to_2024-Dec-24_25.5_-24.0

Cold spell occuring from November 04 2024 to November 07 2024 at -32.0°S 27.0°E

Download data: JSON

Event type: Cold spell

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

  • South Africa

Duration: 4 days

Time span: November 04 2024 to November 07 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: 12.4 °C
  • Minimum temperature anomaly: -11.7 °C
  • Minimum temperature: 5.0 °C

Event center: -32.0°S 27.0°E

Area affected: 175422 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-Nov-04_to_2024-Nov-07_27.0_-32.0

Cold spell occuring from October 27 2024 to October 30 2024 at -25.5°S 17.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Namibia
  • South Africa

Duration: 4 days

Time span: October 27 2024 to October 30 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -7.3 °C
  • Mean temperature: 15.9 °C
  • Minimum temperature anomaly: -11.4 °C
  • Minimum temperature: 8.3 °C

Event center: -25.5°S 17.0°E

Area affected: 381722 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-Oct-27_to_2024-Oct-30_17.0_-25.5

Cold spell occuring from September 28 2024 to October 08 2024 at -11.5°S 30.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Congo, The Democratic Republic of the
  • Eswatini
  • Lesotho
  • Malawi
  • Mozambique
  • Namibia
  • South Africa
  • Tanzania, United Republic of
  • Zambia
  • Zimbabwe

Duration: 11 days

Time span: September 28 2024 to October 08 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 17.4 °C
  • Minimum temperature anomaly: -11.4 °C
  • Minimum temperature: 3.2 °C

Event center: -11.5°S 30.5°E

Area affected: 4085961 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-Sep-28_to_2024-Oct-08_30.5_-11.5

Cold spell occuring from September 19 2024 to September 25 2024 at -29.5°S 29.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Eswatini
  • Lesotho
  • Malawi
  • Mozambique
  • South Africa
  • Zimbabwe

Duration: 7 days

Time span: September 19 2024 to September 25 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -5.2 °C
  • Mean temperature: 15.6 °C
  • Minimum temperature anomaly: -15.9 °C
  • Minimum temperature: -2.2 °C

Event center: -29.5°S 29.0°E

Area affected: 2134214 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-Sep-19_to_2024-Sep-25_29.0_-29.5

Cold spell occuring from August 29 2024 to September 06 2024 at -12.0°S 32.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Congo, The Democratic Republic of the
  • Eswatini
  • Malawi
  • Mozambique
  • South Africa
  • Tanzania, United Republic of
  • Zambia
  • Zimbabwe

Duration: 9 days

Time span: August 29 2024 to September 06 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 19.1 °C
  • Minimum temperature anomaly: -7.9 °C
  • Minimum temperature: 6.0 °C

Event center: -12.0°S 32.0°E

Area affected: 1925880 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-29_to_2024-Sep-06_32.0_-12.0

Cold spell occuring from August 28 2024 to August 30 2024 at -33.5°S 23.0°E

Download data: JSON

Event type: Cold spell

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

  • South Africa

Duration: 3 days

Time span: August 28 2024 to August 30 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -6.0 °C
  • Mean temperature: 7.1 °C
  • Minimum temperature anomaly: -9.4 °C
  • Minimum temperature: 1.9 °C

Event center: -33.5°S 23.0°E

Area affected: 57202 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-28_to_2024-Aug-30_23.0_-33.5

Cold spell occuring from July 27 2024 to August 04 2024 at -34.5°S 21.5°E

Download data: JSON

Event type: Cold spell

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

  • South Africa

Duration: 9 days

Time span: July 27 2024 to August 04 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 8.6 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 1.9 °C

Event center: -34.5°S 21.5°E

Area affected: 285342 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-Jul-27_to_2024-Aug-04_21.5_-34.5