Category: Cold spells affecting Lesotho

Cold spell occuring from April 30 2025 to May 14 2025 at -19.5°S 17.0°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
  • Lesotho
  • Malawi
  • Mozambique
  • Namibia
  • South Africa
  • Tanzania, United Republic of
  • Zambia
  • Zimbabwe

Duration: 15 days

Time span: April 30 2025 to May 14 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 16.5 °C
  • Minimum temperature anomaly: -8.7 °C
  • Minimum temperature: 3.1 °C

Event center: -19.5°S 17.0°E

Area affected: 4054624 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-Apr-30_to_2025-May-14_17.0_-19.5

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 January 17 2024 to January 20 2024 at -30.0°S 28.5°E

Download data: JSON

Event type: Cold spell

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

  • Lesotho
  • South Africa

Duration: 4 days

Time span: January 17 2024 to January 20 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 15.2 °C
  • Minimum temperature anomaly: -5.2 °C
  • Minimum temperature: 10.7 °C

Event center: -30.0°S 28.5°E

Area affected: 56308 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-17_to_2024-Jan-20_28.5_-30.0

Cold spell occuring from December 25 2023 to January 01 2024 at -28.5°S 27.0°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 8 days

Time span: December 25 2023 to January 01 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 19.3 °C
  • Minimum temperature anomaly: -9.3 °C
  • Minimum temperature: 9.1 °C

Event center: -28.5°S 27.0°E

Area affected: 1463861 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-Dec-25_to_2024-Jan-01_27.0_-28.5

Cold spell occuring from October 28 2023 to November 04 2023 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
  • Zambia
  • Zimbabwe

Duration: 8 days

Time span: October 28 2023 to November 04 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.2 °C
  • Mean temperature: 16.2 °C
  • Minimum temperature anomaly: -14.9 °C
  • Minimum temperature: 0.5 °C

Event center: -29.5°S 29.0°E

Area affected: 3290242 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-Oct-28_to_2023-Nov-04_29.0_-29.5

Cold spell occuring from September 24 2023 to September 27 2023 at -21.5°S 17.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Lesotho
  • Namibia
  • South Africa

Duration: 4 days

Time span: September 24 2023 to September 27 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: 16.6 °C
  • Minimum temperature anomaly: -9.7 °C
  • Minimum temperature: 7.5 °C

Event center: -21.5°S 17.0°E

Area affected: 653968 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-Sep-24_to_2023-Sep-27_17.0_-21.5

Cold spell occuring from July 27 2023 to August 04 2023 at -19.5°S 15.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Eswatini
  • Lesotho
  • Namibia
  • South Africa

Duration: 9 days

Time span: July 27 2023 to August 04 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.1 °C
  • Mean temperature: 9.6 °C
  • Minimum temperature anomaly: -10.1 °C
  • Minimum temperature: -1.9 °C

Event center: -19.5°S 15.5°E

Area affected: 1261029 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-Jul-27_to_2023-Aug-04_15.5_-19.5

Cold spell occuring from July 09 2023 to July 11 2023 at -30.0°S 28.0°E

Download data: JSON

Event type: Cold spell

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

  • Lesotho
  • South Africa

Duration: 3 days

Time span: July 09 2023 to July 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 3.3 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: -1.9 °C

Event center: -30.0°S 28.0°E

Area affected: 76627 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-Jul-09_to_2023-Jul-11_28.0_-30.0

Cold spell occuring from February 08 2023 to February 11 2023 at -30.5°S 25.0°E

Download data: JSON

Event type: Cold spell

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

  • Lesotho
  • South Africa

Duration: 4 days

Time span: February 08 2023 to February 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: 17.2 °C
  • Minimum temperature anomaly: -8.1 °C
  • Minimum temperature: 10.6 °C

Event center: -30.5°S 25.0°E

Area affected: 254455 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-08_to_2023-Feb-11_25.0_-30.5