Category: Cold spells affecting Canada

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 5 days

Time span: January 02 2026 to January 06 2026

Statistics over entire affected area:

• Mean temperature anomaly: -6.9 °C
• Mean temperature: -31.5 °C
• Minimum temperature anomaly: -10.0 °C
• Minimum temperature: -34.3 °C

Event center: 84.5°N 187.0°E

Area affected: 158874 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-Jan-02_to_2026-Jan-06_187.0_84.5

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 5 days

Time span: December 27 2025 to December 31 2025

Statistics over entire affected area:

• Mean temperature anomaly: -8.7 °C
• Mean temperature: -39.3 °C
• Minimum temperature anomaly: -14.0 °C
• Minimum temperature: -44.9 °C

Event center: 70.5°N 249.0°E

Area affected: 55782 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-27_to_2025-Dec-31_249.0_70.5

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 5 days

Time span: December 17 2025 to December 21 2025

Statistics over entire affected area:

• Mean temperature anomaly: -12.7 °C
• Mean temperature: -32.7 °C
• Minimum temperature anomaly: -15.9 °C
• Minimum temperature: -35.8 °C

Event center: 55.5°N 273.0°E

Area affected: 112783 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-17_to_2025-Dec-21_273.0_55.5

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 5 days

Time span: December 16 2025 to December 20 2025

Statistics over entire affected area:

• Mean temperature anomaly: -11.0 °C
• Mean temperature: -36.5 °C
• Minimum temperature anomaly: -15.4 °C
• Minimum temperature: -41.8 °C

Event center: 61.5°N 266.0°E

Area affected: 68543 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-16_to_2025-Dec-20_266.0_61.5

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 4 days

Time span: December 15 2025 to December 18 2025

Statistics over entire affected area:

• Mean temperature anomaly: -10.4 °C
• Mean temperature: -32.2 °C
• Minimum temperature anomaly: -16.3 °C
• Minimum temperature: -40.8 °C

Event center: 64.5°N 277.0°E

Area affected: 59569 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-15_to_2025-Dec-18_277.0_64.5

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 12 days

Time span: December 11 2025 to December 22 2025

Statistics over entire affected area:

• Mean temperature anomaly: -7.7 °C
• Mean temperature: -34.6 °C
• Minimum temperature anomaly: -14.8 °C
• Minimum temperature: -44.7 °C

Event center: 76.0°N 274.5°E

Area affected: 137064 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-11_to_2025-Dec-22_274.5_76.0

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 4 days

Time span: December 06 2025 to December 09 2025

Statistics over entire affected area:

• Mean temperature anomaly: -8.8 °C
• Mean temperature: -18.4 °C
• Minimum temperature anomaly: -12.1 °C
• Minimum temperature: -22.3 °C

Event center: 51.0°N 299.5°E

Area affected: 62474 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-06_to_2025-Dec-09_299.5_51.0