Fog report Fri, 12/5

Name: Fog report Fri, 12/5/2025: sunshine at the SwissMetNet stations
Creator: MeteoSwiss
License: https://creativecommons.org/licenses/by/4.0/

Fog lid at 1,800–2,000 m, sun above it.

Most sun: Jungfraujoch with 6 h 21 min. On the Swiss Plateau 27 of 44 weather stations saw not a single minute of sun.

Measured on Friday, December 5, 2025 · Source: MeteoSwiss, SwissMetNet stations

Station up to 2,000 mStation above 2,000 mFog lid, measured

Sun staircase · 12/5/2025 · 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, 12/5.

Stations without a minute of sun: 34

Chasseral1,594 m0 min
Napf1,404 m0 min
Hörnli1,133 m0 min
Uetliberg854 m0 min
St. Gallen776 m0 min
Salen-Reutenen719 m0 min

Longest in the sun

Jungfraujoch3,571 m6 h 21 min
Titlis3,045 m4 h 6 min
Gütsch, Andermatt2,286 m2 h 31 min
Adelboden1,321 m2 h 6 min

Above the fog lid: summits from 2,100 m

All measurements of Fri, 12/5

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 boundary.

Station · hour ending	9	10	11	12	13	14	15	16	17	Total
Jungfraujoch3,571 m	9 min	59 min	53 min	43 min	60 min	60 min	60 min	37 min	0 min	6 h 21 min
Titlis3,045 m	0 min	0 min	0 min	14 min	53 min	60 min	43 min	53 min	23 min	4 h 6 min
Säntis2,501 m	0 min	0 min	0 min	0 min	26 min	22 min	15 min	39 min	3 min	1 h 45 min
Gütsch, Andermatt2,286 m	0 min	0 min	0 min	0 min	8 min	34 min	58 min	51 min	0 min	2 h 31 min
Pilatus2,105 m	0 min	0 min	0 min	2 min	48 min	36 min	25 min	0 min	0 min	1 h 51 min
Le Moléson1,974 m	0 min	0 min	0 min	0 min	35 min	6 min	0 min	2 min	1 min	44 min
La Dôle1,670 m	7 min	11 min	3 min	0 min	9 min	0 min	0 min	0 min	0 min	30 min
Chasseral1,594 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Napf1,404 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Adelboden1,321 m	0 min	0 min	0 min	33 min	53 min	40 min	0 min	0 min	0 min	2 h 6 min
Bullet / La Frétaz1,205 m	11 min	41 min	5 min	0 min	9 min	0 min	0 min	0 min	0 min	1 h 6 min
Chaumont1,136 m	0 min	9 min	18 min	2 min	0 min	0 min	0 min	0 min	0 min	29 min
Hörnli1,133 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
La Brévine1,050 m	0 min	0 min	0 min	11 min	9 min	0 min	2 min	0 min	0 min	22 min
Plaffeien1,042 m	0 min	0 min	7 min	0 min	0 min	0 min	0 min	0 min	0 min	7 min
Engelberg1,036 m	0 min	0 min	0 min	0 min	16 min	10 min	0 min	0 min	0 min	26 min
Château-d'Oex1,028 m	0 min	0 min	2 min	6 min	0 min	0 min	0 min	0 min	0 min	8 min
La Chaux-de-Fonds1,017 m	0 min	0 min	0 min	5 min	0 min	0 min	0 min	0 min	0 min	5 min
Bantiger942 m	0 min	2 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	2 min
Einsiedeln911 m	0 min	0 min	0 min	9 min	9 min	0 min	0 min	0 min	0 min	18 min
Uetliberg854 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Lägern845 m	0 min	0 min	0 min	0 min	1 min	0 min	0 min	0 min	0 min	1 min
Oron828 m	10 min	56 min	25 min	0 min	0 min	0 min	0 min	1 min	0 min	1 h 32 min
St. Gallen776 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min
Frutigen756 m	0 min	0 min	0 min	26 min	27 min	21 min	0 min	0 min	0 min	1 h 14 min
Langnau i.E.744 m	0 min	0 min	3 min	16 min	0 min	0 min	0 min	0 min	0 min	19 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	26 min	0 min	0 min	0 min	51 min	0 min	0 min	0 min	1 h 17 min
Fribourg / Grangeneuve651 m	0 min	0 min	7 min	0 min	0 min	0 min	0 min	0 min	0 min	7 min
Ebnat-Kappel623 m	0 min	0 min	0 min	0 min	11 min	0 min	0 min	0 min	0 min	11 min
Rünenberg611 m	0 min	0 min	0 min	0 min	0 min	0 min	1 min	0 min	0 min	1 min
Zürich / Fluntern604 m	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min	0 min

no sun1–19 min20–44 min45–60 minMeasured fog boundaryMeasurements: 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