Category: Heat waves affecting Botswana

5 heat waves identified in Botswana since 2020

Heat wave occuring from June 29 2010 to July 06 2010 at -20.5°S 22.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana

Duration: 8 days

Time span: June 29 2010 to July 06 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 19.1 °C
  • Maximum temperature anomaly: 3.9 °C
  • Maximum temperature: 19.9 °C

Event center: -20.5°S 22.5°E

Area affected: 55269 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_2010-Jun-29_to_2010-Jul-06_22.5_-20.5

Heat wave occuring from June 11 2010 to June 14 2010 at -20.5°S 24.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana

Duration: 4 days

Time span: June 11 2010 to June 14 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 19.7 °C
  • Maximum temperature anomaly: 4.2 °C
  • Maximum temperature: 21.0 °C

Event center: -20.5°S 24.5°E

Area affected: 60835 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_2010-Jun-11_to_2010-Jun-14_24.5_-20.5

Heat wave occuring from March 10 2010 to March 14 2010 at -24.5°S 29.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • South Africa
  • Zimbabwe

Duration: 5 days

Time span: March 10 2010 to March 14 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 27.3 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 31.3 °C

Event center: -24.5°S 29.0°E

Area affected: 229062 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_2010-Mar-10_to_2010-Mar-14_29.0_-24.5

Heat wave occuring from February 04 2010 to March 02 2010 at -23.0°S 45.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Congo DRC
  • Madagascar
  • Malawi
  • Mozambique
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 27 days

Time span: February 04 2010 to March 02 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 27.4 °C
  • Maximum temperature anomaly: 7.4 °C
  • Maximum temperature: 35.3 °C

Event center: -23.0°S 45.5°E

Area affected: 2302832 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_2010-Feb-04_to_2010-Mar-02_45.5_-23.0

Heat wave occuring from July 18 2026 to July 25 2026 at -18.5°S 27.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Zambia
  • Zimbabwe

Duration: 8 days

Time span: July 18 2026 to July 25 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.2 °C
  • Mean temperature: 19.3 °C
  • Maximum temperature anomaly: 5.4 °C
  • Maximum temperature: 23.8 °C

Event center: -18.5°S 27.0°E

Area affected: 307463 km$^2$



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

Event ID: Heat_wave_2026-Jul-18_to_2026-Jul-25_27.0_-18.5

Heat wave occuring from July 14 2026 to July 24 2026 at -25.5°S 28.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Eswatini
  • Mozambique
  • South Africa

Duration: 11 days

Time span: July 14 2026 to July 24 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 16.4 °C
  • Maximum temperature anomaly: 5.9 °C
  • Maximum temperature: 22.1 °C

Event center: -25.5°S 28.5°E

Area affected: 207527 km$^2$



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

Event ID: Heat_wave_2026-Jul-14_to_2026-Jul-24_28.5_-25.5

Heat wave occuring from June 08 2026 to July 11 2026 at -14.0°S 40.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Eswatini
  • Lesotho
  • Madagascar
  • Malawi
  • Mozambique
  • Namibia
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 34 days

Time span: June 08 2026 to July 11 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 20.2 °C
  • Maximum temperature anomaly: 8.0 °C
  • Maximum temperature: 27.6 °C

Event center: -14.0°S 40.5°E

Area affected: 4854838 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-08_to_2026-Jul-11_40.5_-14.0