Fog in Mo i Rana

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 6 hours of dense fog here (10-year average).

Measured at Mo i Rana Airport; Røssvoll (ENRA). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
ENRAMo i Rana Airport; Røssvoll50 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 Mo i Rana fogs in

Fog here concentrates in September and October — about 50 hours in a typical year at ENRA, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the ENRA station page.

Fog season

January: ~6 hJanFebruary: ~5 hFebMarch: ~8 hMarApril: ~3 hAprMay: ~2 hMayJune: ~0 hJunJuly: ~1 hJulAugust: ~6 hAugSeptember: ~12 hSepOctober: ~10 hOctNovember: ~8 hNovDecember: ~7 hDec
Fog season runs August through April, peaking in September; fog is mostly a 11 PM–4 AM phenomenon; typically thinning out by 6 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.