Category: Cold spells affecting Finland

Cold spell occuring from February 12 2026 to February 19 2026 at 60.0°N 27.5°E

Download data: JSON

Event type: Cold spell

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

  • Estonia
  • Finland
  • Russian Federation

Duration: 8 days

Time span: February 12 2026 to February 19 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -10.5 °C
  • Mean temperature: -15.4 °C
  • Minimum temperature anomaly: -15.5 °C
  • Minimum temperature: -22.3 °C

Event center: 60.0°N 27.5°E

Area affected: 58119 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-12_to_2026-Feb-19_27.5_60.0

Cold spell occuring from February 08 2026 to February 21 2026 at 60.0°N 21.0°E

Download data: JSON

Event type: Cold spell

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

  • Belarus
  • Denmark
  • Estonia
  • Finland
  • Germany
  • Latvia
  • Lithuania
  • Norway
  • Poland
  • Russian Federation
  • Sweden
  • Ukraine

Duration: 14 days

Time span: February 08 2026 to February 21 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -10.4 °C
  • Mean temperature: -15.3 °C
  • Minimum temperature anomaly: -22.2 °C
  • Minimum temperature: -31.2 °C

Event center: 60.0°N 21.0°E

Area affected: 2008197 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-08_to_2026-Feb-21_21.0_60.0

Cold spell occuring from January 23 2026 to February 07 2026 at 56.5°N 20.5°E

Download data: JSON

Event type: Cold spell

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

  • Belarus
  • Denmark
  • Estonia
  • Finland
  • Germany
  • Kazakhstan
  • Latvia
  • Lithuania
  • Netherlands
  • Norway
  • Poland
  • Russian Federation
  • Sweden
  • Ukraine

Duration: 16 days

Time span: January 23 2026 to February 07 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -11.3 °C
  • Mean temperature: -15.5 °C
  • Minimum temperature anomaly: -19.8 °C
  • Minimum temperature: -28.0 °C

Event center: 56.5°N 20.5°E

Area affected: 2610392 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-23_to_2026-Feb-07_20.5_56.5

Cold spell occuring from December 30 2025 to January 14 2026 at 68.0°N 25.0°E

Download data: JSON

Event type: Cold spell

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

  • Denmark
  • Finland
  • Ireland
  • Norway
  • Russian Federation
  • Sweden
  • United Kingdom

Duration: 16 days

Time span: December 30 2025 to January 14 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -9.5 °C
  • Mean temperature: -12.1 °C
  • Minimum temperature anomaly: -26.0 °C
  • Minimum temperature: -36.7 °C

Event center: 68.0°N 25.0°E

Area affected: 3347680 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-30_to_2026-Jan-14_25.0_68.0

Cold spell occuring from November 15 2025 to November 25 2025 at 68.0°N 25.5°E

Download data: JSON

Event type: Cold spell

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

  • Finland
  • Norway
  • Russian Federation
  • Sweden

Duration: 11 days

Time span: November 15 2025 to November 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -10.8 °C
  • Mean temperature: -16.4 °C
  • Minimum temperature anomaly: -20.8 °C
  • Minimum temperature: -28.0 °C

Event center: 68.0°N 25.5°E

Area affected: 424852 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-15_to_2025-Nov-25_25.5_68.0

Cold spell occuring from August 19 2025 to August 28 2025 at 60.0°N 19.0°E

Download data: JSON

Event type: Cold spell

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

  • Belarus
  • Denmark
  • Estonia
  • Finland
  • Germany
  • Hungary
  • Latvia
  • Lithuania
  • Norway
  • Poland
  • Romania
  • Russian Federation
  • Slovakia
  • Sweden
  • Ukraine

Duration: 10 days

Time span: August 19 2025 to August 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 11.1 °C
  • Minimum temperature anomaly: -8.3 °C
  • Minimum temperature: 1.3 °C

Event center: 60.0°N 19.0°E

Area affected: 3064720 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-19_to_2025-Aug-28_19.0_60.0

Cold spell occuring from May 04 2025 to May 09 2025 at 62.5°N 23.5°E

Download data: JSON

Event type: Cold spell

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

  • Finland
  • Norway
  • Russian Federation
  • Sweden

Duration: 6 days

Time span: May 04 2025 to May 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.1 °C
  • Mean temperature: 1.1 °C
  • Minimum temperature anomaly: -6.5 °C
  • Minimum temperature: -3.3 °C

Event center: 62.5°N 23.5°E

Area affected: 264941 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-04_to_2025-May-09_23.5_62.5

Cold spell occuring from April 18 2025 to April 27 2025 at 74.0°N 350.5°E

Download data: JSON

Event type: Cold spell

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

  • Finland
  • Greenland
  • Norway
  • Sweden

Duration: 10 days

Time span: April 18 2025 to April 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: -2.9 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: -18.7 °C

Event center: 69.5°N 18.0°E

Area affected: 939861 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-18_to_2025-Apr-27_350.5_74.0

Cold spell occuring from January 01 2025 to January 06 2025 at 67.5°N 25.0°E

Download data: JSON

Event type: Cold spell

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

  • Finland
  • Norway
  • Sweden

Duration: 6 days

Time span: January 01 2025 to January 06 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -13.1 °C
  • Mean temperature: -22.6 °C
  • Minimum temperature anomaly: -19.8 °C
  • Minimum temperature: -30.2 °C

Event center: 67.5°N 25.0°E

Area affected: 83710 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-Jan-01_to_2025-Jan-06_25.0_67.5

Cold spell occuring from December 12 2024 to December 19 2024 at 69.0°N 35.0°E

Download data: JSON

Event type: Cold spell

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

  • Finland
  • Norway
  • Russian Federation
  • Sweden

Duration: 8 days

Time span: December 12 2024 to December 19 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -11.7 °C
  • Mean temperature: -19.1 °C
  • Minimum temperature anomaly: -20.7 °C
  • Minimum temperature: -32.6 °C

Event center: 69.0°N 35.0°E

Area affected: 509548 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-Dec-12_to_2024-Dec-19_35.0_69.0