Geomagnetic storms in December 2025

Dec 1, 2025 London

Geomagnetic storms in November 2025 Switch to calendar view Geomagnetic storms in January 2026

Geomagnetic storms in London in December 2025

Changes in the maximum daily geomagnetic index Kp in December 2025 for mid latitudes

Location — London (geographic coordinates — 51.51 N -0.13 W | time zone UTC+00)

geomagnetic storms in November 2025 (London) geomagnetic storms in January 2026 (London)

Changes in the maximum daily geomagnetic index Kp in December 2025

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List of magnetic storms in December 2025

Location — London (geographic coordinates — 51.51 N -0.13 W | time zone UTC+00)

Days with magnetic storms — 7

03 December 2025 — Magnetic storm of level G2

04 December 2025 — Magnetic storm of level G1

10 December 2025 — Magnetic storm of level G2

11 December 2025 — Magnetic storm of level G1

12 December 2025 — Magnetic storm of level G1

21 December 2025 — Magnetic storm of level G1

22 December 2025 — Magnetic storm of level G1

Days with geomagnetic disturbances — 7

01 December 2025 — geomagnetic disturbances

06 December 2025 — geomagnetic disturbances

13 December 2025 — geomagnetic disturbances

17 December 2025 — geomagnetic disturbances

18 December 2025 — geomagnetic disturbances

23 December 2025 — geomagnetic disturbances

24 December 2025 — geomagnetic disturbances

Maximum of solar activity in December 2025

Solar radio flux (10.7 cm) = 214

Mean planetary A index = 33

Mean planetary Kp index = 6.67