Category: Heat waves affecting Tanzania, United Republic of

Heat wave occuring from April 20 2025 to May 04 2025 at -6.5°S 33.0°E

Download data: JSON

Event type: Heat wave

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

  • Burundi
  • Central African Republic
  • Congo, The Democratic Republic of the
  • Kenya
  • Malawi
  • Rwanda
  • South Sudan
  • Tanzania, United Republic of
  • Uganda
  • Zambia

Duration: 15 days

Time span: April 20 2025 to May 04 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 25.6 °C
  • Maximum temperature anomaly: 4.6 °C
  • Maximum temperature: 33.2 °C

Event center: -6.5°S 33.0°E

Area affected: 1930929 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-Apr-20_to_2025-May-04_33.0_-6.5

Heat wave occuring from April 09 2025 to April 11 2025 at -5.0°S 29.0°E

Download data: JSON

Event type: Heat wave

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

  • Burundi
  • Congo, The Democratic Republic of the
  • Rwanda
  • Tanzania, United Republic of

Duration: 3 days

Time span: April 09 2025 to April 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 22.5 °C
  • Maximum temperature anomaly: 2.3 °C
  • Maximum temperature: 26.2 °C

Event center: -5.0°S 29.0°E

Area affected: 67812 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-Apr-09_to_2025-Apr-11_29.0_-5.0

Heat wave occuring from January 08 2025 to January 15 2025 at 0.0°N 38.0°E

Download data: JSON

Event type: Heat wave

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

  • Kenya
  • Tanzania, United Republic of

Duration: 8 days

Time span: January 08 2025 to January 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 26.5 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 30.4 °C

Event center: 0.0°N 38.0°E

Area affected: 123574 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-Jan-08_to_2025-Jan-15_38.0_0.0

Heat wave occuring from October 22 2024 to October 31 2024 at -9.5°S 32.5°E

Download data: JSON

Event type: Heat wave

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

  • Malawi
  • Tanzania, United Republic of
  • Zambia

Duration: 10 days

Time span: October 22 2024 to October 31 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 26.4 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 32.2 °C

Event center: -9.5°S 32.5°E

Area affected: 118485 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_2024-Oct-22_to_2024-Oct-31_32.5_-9.5

Heat wave occuring from August 03 2024 to August 21 2024 at -11.0°S 34.5°E

Download data: JSON

Event type: Heat wave

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

  • Malawi
  • Mozambique
  • Tanzania, United Republic of

Duration: 19 days

Time span: August 03 2024 to August 21 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 22.1 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 25.3 °C

Event center: -11.0°S 34.5°E

Area affected: 100051 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_2024-Aug-03_to_2024-Aug-21_34.5_-11.0

Heat wave occuring from December 08 2023 to December 13 2023 at -3.5°S 30.0°E

Download data: JSON

Event type: Heat wave

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

  • Burundi
  • Congo, The Democratic Republic of the
  • Rwanda
  • Tanzania, United Republic of
  • Uganda

Duration: 6 days

Time span: December 08 2023 to December 13 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 22.6 °C
  • Maximum temperature anomaly: 2.7 °C
  • Maximum temperature: 26.0 °C

Event center: -3.5°S 30.0°E

Area affected: 197565 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-Dec-08_to_2023-Dec-13_30.0_-3.5

Heat wave occuring from November 06 2023 to November 15 2023 at 2.5°N 30.5°E

Download data: JSON

Event type: Heat wave

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

  • Congo, The Democratic Republic of the
  • Kenya
  • Rwanda
  • South Sudan
  • Tanzania, United Republic of
  • Uganda

Duration: 10 days

Time span: November 06 2023 to November 15 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 23.0 °C
  • Maximum temperature anomaly: 2.8 °C
  • Maximum temperature: 28.3 °C

Event center: 2.5°N 30.5°E

Area affected: 203875 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-Nov-06_to_2023-Nov-15_30.5_2.5

Heat wave occuring from October 30 2023 to November 02 2023 at -1.0°S 31.5°E

Download data: JSON

Event type: Heat wave

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

  • Burundi
  • Rwanda
  • Tanzania, United Republic of
  • Uganda

Duration: 4 days

Time span: October 30 2023 to November 02 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 21.9 °C
  • Maximum temperature anomaly: 2.2 °C
  • Maximum temperature: 23.8 °C

Event center: -1.0°S 31.5°E

Area affected: 52528 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-Oct-30_to_2023-Nov-02_31.5_-1.0

Heat wave occuring from October 12 2023 to October 15 2023 at -1.0°S 31.5°E

Download data: JSON

Event type: Heat wave

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

  • Tanzania, United Republic of
  • Uganda

Duration: 4 days

Time span: October 12 2023 to October 15 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 23.8 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 25.9 °C

Event center: -1.0°S 31.5°E

Area affected: 80351 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-Oct-12_to_2023-Oct-15_31.5_-1.0

Heat wave occuring from July 09 2023 to July 11 2023 at -9.0°S 33.5°E

Download data: JSON

Event type: Heat wave

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

  • Malawi
  • Tanzania, United Republic of
  • Zambia

Duration: 3 days

Time span: July 09 2023 to July 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 19.0 °C
  • Maximum temperature anomaly: 4.4 °C
  • Maximum temperature: 23.2 °C

Event center: -9.0°S 33.5°E

Area affected: 118680 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-Jul-09_to_2023-Jul-11_33.5_-9.0