Category: Cold spells affecting Tanzania, United Republic of

Cold spell occuring from March 19 2026 to March 30 2026 at -1.5°S 41.0°E

Download data: JSON

Event type: Cold spell

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

  • Kenya
  • Mozambique
  • Somalia
  • Tanzania

Duration: 12 days

Time span: March 19 2026 to March 30 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 25.0 °C
  • Minimum temperature anomaly: -4.6 °C
  • Minimum temperature: 17.4 °C

Event center: -1.5°S 41.0°E

Area affected: 760317 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_2026-Mar-19_to_2026-Mar-30_41.0_-1.5

Cold spell occuring from March 09 2026 to March 19 2026 at -14.5°S 36.0°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: 11 days

Time span: March 09 2026 to March 19 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 23.3 °C
  • Minimum temperature anomaly: -3.0 °C
  • Minimum temperature: 19.4 °C

Event center: -14.5°S 36.0°E

Area affected: 277235 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_2026-Mar-09_to_2026-Mar-19_36.0_-14.5

Cold spell occuring from February 15 2026 to March 14 2026 at -2.5°S 36.0°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Central African Republic
  • Chad
  • Congo, The Democratic Republic of the
  • Egypt
  • Eritrea
  • Ethiopia
  • Kenya
  • Libya
  • Mozambique
  • Nigeria
  • Somalia
  • South Sudan
  • Sudan
  • Tanzania, United Republic of
  • Uganda

Duration: 28 days

Time span: February 15 2026 to March 14 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 22.8 °C
  • Minimum temperature anomaly: -8.2 °C
  • Minimum temperature: 7.9 °C

Event center: -2.5°S 36.0°E

Area affected: 6030435 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_2026-Feb-15_to_2026-Mar-14_36.0_-2.5

Cold spell occuring from December 28 2025 to January 01 2026 at -3.0°S 36.0°E

Download data: JSON

Event type: Cold spell

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

  • Kenya
  • Tanzania, United Republic of

Duration: 5 days

Time span: December 28 2025 to January 01 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 19.8 °C
  • Minimum temperature anomaly: -5.7 °C
  • Minimum temperature: 15.0 °C

Event center: -3.0°S 36.0°E

Area affected: 191201 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-Dec-28_to_2026-Jan-01_36.0_-3.0

Cold spell occuring from December 26 2025 to January 02 2026 at -14.5°S 35.5°E

Download data: JSON

Event type: Cold spell

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

  • Congo, The Democratic Republic of the
  • Malawi
  • Mozambique
  • Tanzania, United Republic of
  • Zambia

Duration: 8 days

Time span: December 26 2025 to January 02 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 21.4 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 15.9 °C

Event center: -14.5°S 35.5°E

Area affected: 824278 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-Dec-26_to_2026-Jan-02_35.5_-14.5

Cold spell occuring from November 03 2025 to November 25 2025 at -12.5°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
  • Madagascar
  • Malawi
  • Mozambique
  • Namibia
  • Tanzania, United Republic of
  • Zambia
  • Zimbabwe

Duration: 23 days

Time span: November 03 2025 to November 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 21.9 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: 14.8 °C

Event center: -12.5°S 32.0°E

Area affected: 4313215 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-Nov-03_to_2025-Nov-25_32.0_-12.5

Cold spell occuring from August 29 2025 to September 09 2025 at -5.5°S 31.5°E

Download data: JSON

Event type: Cold spell

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

  • Tanzania, United Republic of

Duration: 12 days

Time span: August 29 2025 to September 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 22.8 °C
  • Minimum temperature anomaly: -2.7 °C
  • Minimum temperature: 20.4 °C

Event center: -5.5°S 31.5°E

Area affected: 70720 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-Aug-29_to_2025-Sep-09_31.5_-5.5

Cold spell occuring from July 08 2025 to September 05 2025 at -7.5°S 17.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Burundi
  • Congo
  • Congo, The Democratic Republic of the
  • Côte d’Ivoire
  • Equatorial Guinea
  • Eswatini
  • Gabon
  • Kenya
  • Liberia
  • Malawi
  • Mozambique
  • Namibia
  • South Africa
  • Tanzania, United Republic of
  • Uganda
  • Zambia
  • Zimbabwe

Duration: 60 days

Time span: July 08 2025 to September 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 19.6 °C
  • Minimum temperature anomaly: -9.7 °C
  • Minimum temperature: 5.0 °C

Event center: -7.5°S 17.0°E

Area affected: 8144949 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-Jul-08_to_2025-Sep-05_17.0_-7.5

Cold spell occuring from June 13 2025 to June 20 2025 at -9.0°S 19.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Congo, The Democratic Republic of the
  • Tanzania, United Republic of
  • Zambia

Duration: 8 days

Time span: June 13 2025 to June 20 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 19.3 °C
  • Minimum temperature anomaly: -3.6 °C
  • Minimum temperature: 12.8 °C

Event center: -9.0°S 19.5°E

Area affected: 708758 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-Jun-13_to_2025-Jun-20_19.5_-9.0

Cold spell occuring from May 23 2025 to June 05 2025 at -10.5°S 21.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Congo, The Democratic Republic of the
  • Malawi
  • Mozambique
  • Tanzania, United Republic of
  • Zambia
  • Zimbabwe

Duration: 14 days

Time span: May 23 2025 to June 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 18.8 °C
  • Minimum temperature anomaly: -4.3 °C
  • Minimum temperature: 11.2 °C

Event center: -10.5°S 21.0°E

Area affected: 1519055 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-May-23_to_2025-Jun-05_21.0_-10.5