Fog in Rørvik

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 3 hours of dense fog here (10-year average).

Measured at Rørvik Airport; Ryum (ENRM). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
ENRMRørvik Airport; Ryum33 h/yrclimatology

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 Rørvik fogs in

Fog here concentrates in June and February — about 33 hours in a typical year at ENRM, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the ENRM station page.

Fog season

January: ~4 hJanFebruary: ~5 hFebMarch: ~3 hMarApril: ~3 hAprMay: ~3 hMayJune: ~5 hJunJuly: ~2 hJulAugust: ~3 hAugSeptember: ~4 hSepOctober: ~1 hOctNovember: ~2 hNovDecember: ~5 hDec
Fog season runs November through September, peaking in February; fog is mostly a 10 PM–4 AM phenomenon; typically thinning out by 7 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.