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Fog report Mon, 13/10

Fog lid at 1,300–1,500 m, sun above it.

Most sun: Säntis with 10 h 59 min. On the Swiss Plateau 14 of 44 weather stations saw not a single minute of sun.

Measured on Monday, 13 October 2025 · Source: MeteoSwiss, SwissMetNet stations

Station up to 1,500 mStation above 1,500 mFog lid, measured

Sun staircase · 13/10/2025 · measured

Sun by altitude at 73 weather stations

Each dot is a MeteoSwiss station: up, how high it lies; right, how long it measured sun on Mon, 13/10.

Stations without a minute of sun: 17

  • Bullet / La Frétaz1,205 m0 min
  • Hörnli1,133 m0 min
  • Lägern845 m0 min
  • St. Gallen776 m0 min
  • Fribourg / Grangeneuve651 m0 min
  • Aadorf / Tänikon539 m0 min

Longest in the sun

  • Säntis2,501 m10 h 59 min
  • Titlis3,045 m10 h 58 min
  • La Dôle1,670 m10 h 51 min
  • Chasseral1,594 m10 h 50 min

Above the fog lid: summits from 1,600 m

All measurements of Mon, 13/10

Minutes of sun per hour at 73 MeteoSwiss weather stations, sorted by height. Each cell is an hour; the dashed line is the measured fog level.

Station · hour ending8910111213141516171819Total
Jungfraujoch3,571 m0 min46 min60 min60 min60 min60 min60 min60 min60 min60 min11 min0 min8 h 57 min
Titlis3,045 m17 min60 min60 min60 min60 min60 min60 min60 min60 min60 min60 min41 min10 h 58 min
Säntis2,501 m19 min60 min60 min60 min60 min60 min60 min60 min60 min60 min60 min40 min10 h 59 min
Gütsch, Andermatt2,286 m0 min30 min60 min60 min60 min60 min60 min60 min60 min60 min60 min10 min9 h 40 min
Pilatus2,105 m10 min60 min60 min60 min60 min60 min60 min60 min60 min59 min60 min33 min10 h 42 min
Le Moléson1,974 m1 min60 min60 min60 min60 min60 min60 min60 min60 min60 min60 min48 min10 h 49 min
La Dôle1,670 m4 min60 min60 min60 min60 min60 min60 min60 min60 min60 min60 min47 min10 h 51 min
Chasseral1,594 m9 min60 min60 min60 min60 min60 min60 min60 min60 min60 min60 min41 min10 h 50 min
Napf1,404 m0 min4 min46 min41 min44 min53 min24 min6 min0 min0 min0 min0 min3 h 38 min
Adelboden1,321 m0 min0 min8 min60 min60 min60 min60 min60 min60 min60 min22 min0 min7 h 30 min
Bullet / La Frétaz1,205 m0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min
Chaumont1,136 m0 min0 min0 min0 min7 min8 min9 min5 min0 min0 min0 min0 min29 min
Hörnli1,133 m0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min
La Brévine1,050 m0 min15 min39 min56 min60 min60 min60 min60 min60 min60 min60 min1 min8 h 51 min
Plaffeien1,042 m0 min0 min0 min0 min0 min0 min0 min0 min1 min0 min0 min0 min1 min
Engelberg1,036 m0 min0 min0 min3 min22 min60 min60 min14 min0 min0 min0 min0 min2 h 39 min
Château-d'Oex1,028 m0 min0 min0 min21 min60 min60 min60 min60 min60 min60 min26 min0 min6 h 47 min
La Chaux-de-Fonds1,017 m0 min41 min60 min60 min60 min60 min60 min60 min60 min60 min60 min22 min10 h 3 min
Bantiger942 m0 min0 min0 min0 min0 min0 min0 min1 min11 min11 min0 min0 min23 min
Einsiedeln911 m0 min0 min2 min12 min30 min52 min7 min0 min0 min0 min0 min0 min1 h 43 min
Uetliberg854 m0 min1 min0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min1 min
Lägern845 m0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min
Oron828 m0 min0 min0 min0 min0 min11 min0 min0 min0 min0 min0 min0 min11 min
St. Gallen776 m0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min
Frutigen756 m0 min0 min0 min0 min0 min0 min43 min60 min60 min60 min21 min0 min4 h 4 min
Langnau i.E.744 m0 min0 min0 min0 min1 min0 min0 min0 min16 min4 min1 min0 min22 min
Salen-Reutenen719 m0 min2 min11 min0 min1 min0 min0 min0 min0 min0 min0 min0 min14 min
Bière684 m0 min0 min0 min0 min0 min9 min2 min0 min0 min3 min8 min0 min22 min
Fribourg / Grangeneuve651 m0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min0 min
Ebnat-Kappel623 m0 min19 min56 min60 min60 min10 min0 min0 min0 min0 min0 min0 min3 h 25 min
Rünenberg611 m0 min0 min0 min8 min2 min6 min20 min12 min7 min0 min0 min0 min55 min
Zürich / Fluntern604 m0 min0 min0 min1 min0 min0 min0 min0 min0 min0 min0 min0 min1 min
no sun1–19 min20–44 min45–60 minMeasured fog levelMeasurements: MeteoSwiss, SwissMetNet

For the press

Chart and measurements are free to use with a link to this page (CC BY 4.0). Source of the measurements: MeteoSwiss, SwissMetNet stations.

More sea-of-fog days

The days the MeteoSwiss network measured a sea of fog in at least half of the hours with the sun high – each with all its measurements.

Source: MeteoSwiss