Fog in Røros

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 41 hours of dense fog here (10-year average).

Measured at Røros Airport (ENRO). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
ENRORøros Airport235 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 Røros fogs in

Fog here concentrates in November and August — about 235 hours in a typical year at ENRO, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the ENRO station page.

Fog season

January: ~21 hJanFebruary: ~11 hFebMarch: ~8 hMarApril: ~6 hAprMay: ~4 hMayJune: ~10 hJunJuly: ~21 hJulAugust: ~41 hAugSeptember: ~31 hSepOctober: ~21 hOctNovember: ~41 hNovDecember: ~24 hDec
Fog season runs July through February, peaking in August; fog is mostly a midnight–7 AM phenomenon; typically thinning out by 10 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.