Fog in Courcelles-lès-Montbéliard
daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. dense fog (visibility under a mile) is rare here in August (10-year average).
Measured at Montbéliard-Courcelles Airfield (LFSM). This station has climatology and live observations only.
Measuring station
| station | airport | fog hours/yr | forecast |
|---|---|---|---|
| LFSM | Montbéliard-Courcelles Airfield | 282 h/yr | climatology |
Fog is measured where instruments live — airports. Hours/yr = time below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), the aviation definition of seriously dense fog.
When Courcelles-lès-Montbéliard fogs in
Fog here concentrates in October and November — about 282 hours in a typical year at LFSM, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the LFSM station page.
Fog season
Fog season is February, March, October, November, December, peaking in October; fog is mostly a 7 AM–7 AM phenomenon; typically thinning out by 9 AM; a typical event lasts about 1 hour once it forms local time · 10-yr average
Machine access: data.json · llms.txt · forecast verification. Not for operational use.