Fog report Fri, 12.12

Name: Fog report Fri, 12.12.2025: sunshine at the SwissMetNet stations
Creator: MeteoSwiss
License: https://creativecommons.org/licenses/by/4.0/

Fog lid at 800–1’100 m, sun above it.

Most sun: Titlis with 8 h 21 min. On the Swiss Plateau 21 of 44 weather stations saw not a single minute of sun.

Measured on Friday, 12 December 2025 · Source: MeteoSwiss, SwissMetNet stations

Station up to 1’100 mStation above 1’100 mFog lid, measured

Sun staircase · 12.12.2025 · 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 Fri, 12.12.

Stations without a minute of sun: 24

Salen-Reutenen719 m0 min
Bière684 m0 min
Thun570 m0 min
Aadorf / Tänikon539 m0 min
Pfäffikon, ZH537 m0 min
Bischofszell / Sitterdorf507 m0 min

Longest in the sun

Titlis3’045 m8 h 21 min
Le Moléson1’974 m8 h 17 min
La Dôle1’670 m8 h 14 min
Säntis2’501 m8 h 7 min

Above the fog lid: summits from 1’200 m

All measurements of Fri, 12.12

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 ending	9	10	11	12	13	14	15	16	17	Total
Jungfraujoch3’571 m	35 min	60 min	60 min	60 min	60 min	60 min	60 min	36 min	0 min	7 h 11 min
Titlis3’045 m	55 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	26 min	8 h 21 min
Säntis2’501 m	44 min	60 min	60 min	60 min	60 min	60 min	60 min	54 min	29 min	8 h 7 min
Gütsch, Andermatt2’286 m	4 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	20 min	7 h 24 min
Pilatus2’105 m	38 min	59 min	60 min	60 min	60 min	60 min	60 min	49 min	0 min	7 h 26 min
Le Moléson1’974 m	36 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	41 min	8 h 17 min
La Dôle1’670 m	34 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	40 min	8 h 14 min
Chasseral1’594 m	30 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	36 min	8 h 6 min
Napf1’404 m	36 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	30 min	8 h 6 min
Adelboden1’321 m	0 min	0 min	38 min	60 min	60 min	60 min	60 min	58 min	0 min	5 h 36 min
Bullet / La Frétaz1’205 m	27 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	13 min	7 h 40 min
Chaumont1’136 m	29 min	60 min	60 min	60 min	60 min	60 min	55 min	50 min	0 min	7 h 14 min
Hörnli1’133 m	5 min	23 min	45 min	60 min	60 min	60 min	60 min	60 min	26 min	6 h 39 min
La Brévine1’050 m	0 min	50 min	60 min	60 min	60 min	60 min	60 min	60 min	29 min	7 h 19 min
Plaffeien1’042 m	14 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	18 min	7 h 32 min
Engelberg1’036 m	0 min	0 min	0 min	6 min	60 min	60 min	17 min	0 min	0 min	2 h 23 min
Château-d'Oex1’028 m	0 min	20 min	60 min	60 min	60 min	60 min	60 min	60 min	10 min	6 h 30 min
La Chaux-de-Fonds1’017 m	12 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	12 min	7 h 24 min
Bantiger942 m	30 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	23 min	7 h 53 min
Einsiedeln911 m	10 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	1 min	7 h 11 min
Uetliberg854 m	35 min	60 min	60 min	60 min	60 min	60 min	60 min	42 min	0 min	7 h 17 min
Lägern845 m	0 min	0 min	5 min	27 min	55 min	60 min	60 min	59 min	2 min	4 h 28 min
Oron828 m	20 min	60 min	60 min	60 min	60 min	60 min	60 min	60 min	18 min	7 h 38 min
St. Gallen776 m	0 min	0 min	1 min	14 min	25 min	29 min	45 min	7 min	0 min	2 h 1 min
Frutigen756 m	0 min	0 min	47 min	60 min	60 min	60 min	60 min	43 min	0 min	5 h 30 min
Langnau i.E.744 m	17 min	60 min	60 min	60 min	60 min	60 min	60 min	24 min	0 min	6 h 41 min
Salen-Reutenen719 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Bière684 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Fribourg / Grangeneuve651 m	0 min	0 min	0 min	0 min	0 min	57 min	60 min	60 min	15 min	3 h 12 min
Ebnat-Kappel623 m	16 min	59 min	60 min	60 min	60 min	60 min	34 min	0 min	0 min	5 h 49 min
Rünenberg611 m	0 min	59 min	60 min	60 min	60 min	60 min	60 min	60 min	4 min	7 h 3 min
Zürich / Fluntern604 m	0 min	0 min	46 min	42 min	48 min	51 min	60 min	46 min	0 min	4 h 53 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.

Measurements as CSV

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.

Fog level and sea of fog today

Source: MeteoSwiss