Category: Extremes affecting Tanzania, United Republic of

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

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

Cold spell occuring from November 28 2024 to December 09 2024 at -6.5°S 35.5°E

Download data: JSON

Event type: Cold spell

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

  • Malawi
  • Tanzania, United Republic of
  • Zambia

Duration: 12 days

Time span: November 28 2024 to December 09 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 20.8 °C
  • Minimum temperature anomaly: -5.7 °C
  • Minimum temperature: 15.2 °C

Event center: -6.5°S 35.5°E

Area affected: 251710 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-28_to_2024-Dec-09_35.5_-6.5

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

Cold spell occuring from October 16 2024 to October 20 2024 at -13.0°S 38.0°E

Download data: JSON

Event type: Cold spell

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

  • Malawi
  • Mozambique
  • Tanzania, United Republic of

Duration: 5 days

Time span: October 16 2024 to October 20 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 22.6 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: 17.2 °C

Event center: -13.0°S 38.0°E

Area affected: 356008 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-16_to_2024-Oct-20_38.0_-13.0

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 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 17 2024 to August 26 2024 at -5.0°S 32.0°E

Download data: JSON

Event type: Cold spell

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

  • Tanzania, United Republic of

Duration: 10 days

Time span: August 17 2024 to August 26 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 22.4 °C
  • Minimum temperature anomaly: -2.2 °C
  • Minimum temperature: 19.6 °C

Event center: -5.0°S 32.0°E

Area affected: 79921 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-17_to_2024-Aug-26_32.0_-5.0