Category: Cold spells affecting Tanzania

5 cold spells identified in Tanzania since 2020

Cold spell occuring from September 29 2010 to October 02 2010 at -3.0°S 37.0°E

Download data: JSON

Event type: Cold spell

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

  • Kenya
  • Tanzania

Duration: 4 days

Time span: September 29 2010 to October 02 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 21.0 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: 13.6 °C

Event center: -3.0°S 37.0°E

Area affected: 224913 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_2010-Sep-29_to_2010-Oct-02_37.0_-3.0

Cold spell occuring from September 29 2010 to October 02 2010 at -8.0°S 34.0°E

Download data: JSON

Event type: Cold spell

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

  • Malawi
  • Tanzania
  • Zambia

Duration: 4 days

Time span: September 29 2010 to October 02 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 21.0 °C
  • Minimum temperature anomaly: -3.0 °C
  • Minimum temperature: 14.3 °C

Event center: -8.0°S 34.0°E

Area affected: 122144 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_2010-Sep-29_to_2010-Oct-02_34.0_-8.0

Cold spell occuring from September 19 2010 to September 26 2010 at -8.5°S 34.0°E

Download data: JSON

Event type: Cold spell

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

  • Kenya
  • Tanzania

Duration: 8 days

Time span: September 19 2010 to September 26 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 20.5 °C
  • Minimum temperature anomaly: -2.8 °C
  • Minimum temperature: 14.0 °C

Event center: -8.5°S 34.0°E

Area affected: 159572 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_2010-Sep-19_to_2010-Sep-26_34.0_-8.5

Cold spell occuring from September 12 2010 to September 15 2010 at -8.0°S 32.5°E

Download data: JSON

Event type: Cold spell

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

  • Tanzania
  • Zambia

Duration: 4 days

Time span: September 12 2010 to September 15 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 21.0 °C
  • Minimum temperature anomaly: -2.4 °C
  • Minimum temperature: 18.4 °C

Event center: -8.0°S 32.5°E

Area affected: 57951 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_2010-Sep-12_to_2010-Sep-15_32.5_-8.0

Cold spell occuring from September 10 2010 to September 15 2010 at -3.5°S 31.0°E

Download data: JSON

Event type: Cold spell

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

  • Burundi
  • Kenya
  • Tanzania

Duration: 6 days

Time span: September 10 2010 to September 15 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 22.3 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: 16.7 °C

Event center: -3.5°S 31.0°E

Area affected: 120257 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_2010-Sep-10_to_2010-Sep-15_31.0_-3.5

Cold spell occuring from August 09 2010 to August 23 2010 at -10.5°S 30.0°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 15 days

Time span: August 09 2010 to August 23 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 16.6 °C
  • Minimum temperature anomaly: -7.9 °C
  • Minimum temperature: 2.5 °C

Event center: -10.5°S 30.0°E

Area affected: 7159154 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_2010-Aug-09_to_2010-Aug-23_30.0_-10.5

Cold spell occuring from August 15 2026 to August 20 2026 at -9.5°S 36.5°E

Download data: JSON

Event type: Cold spell

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

  • Mozambique
  • Tanzania

Duration: 6 days

Time span: August 15 2026 to August 20 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 20.9 °C
  • Minimum temperature anomaly: -2.8 °C
  • Minimum temperature: 18.5 °C

Event center: -9.5°S 36.5°E

Area affected: 88158 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-Aug-15_to_2026-Aug-20_36.5_-9.5

Cold spell occuring from July 25 2026 to August 06 2026 at -10.0°S 38.5°E

Download data: JSON

Event type: Cold spell

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

  • Mozambique
  • Tanzania

Duration: 13 days

Time span: July 25 2026 to August 06 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 20.7 °C
  • Minimum temperature anomaly: -3.5 °C
  • Minimum temperature: 16.8 °C

Event center: -10.0°S 38.5°E

Area affected: 279069 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-Jul-25_to_2026-Aug-06_38.5_-10.0

Cold spell occuring from July 14 2026 to July 20 2026 at -10.0°S 38.5°E

Download data: JSON

Event type: Cold spell

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

  • Mozambique
  • Tanzania

Duration: 7 days

Time span: July 14 2026 to July 20 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 20.9 °C
  • Minimum temperature anomaly: -3.1 °C
  • Minimum temperature: 17.2 °C

Event center: -10.0°S 38.5°E

Area affected: 130753 km$^2$



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

Event ID: Cold_spell_2026-Jul-14_to_2026-Jul-20_38.5_-10.0

Cold spell occuring from June 26 2026 to June 29 2026 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

Duration: 4 days

Time span: June 26 2026 to June 29 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 20.2 °C
  • Minimum temperature anomaly: -3.3 °C
  • Minimum temperature: 14.2 °C

Event center: -5.0°S 32.0°E

Area affected: 153777 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-Jun-26_to_2026-Jun-29_32.0_-5.0