Fog in Dublin

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 4 hours of dense fog here (10-year average).

Measured at Dublin Airport (EIDW). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
EIDWDublin Airport43 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 Dublin fogs in

Fog here concentrates in December and January — about 43 hours in a typical year at EIDW, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the EIDW station page.

Fog season

January: ~4 hJanFebruary: ~3 hFebMarch: ~4 hMarApril: ~2 hAprMay: ~3 hMayJune: ~4 hJunJuly: ~1 hJulAugust: ~4 hAugSeptember: ~3 hSepOctober: ~1 hOctNovember: ~4 hNovDecember: ~9 hDec
Fog season is January, February, March, May, June, August, September, November, December, peaking in December; fog is mostly a 1 AM–9 AM phenomenon; typically thinning out by 11 AM; a typical event lasts about 2 hours once it forms local time · 10-yr average

Machine access: data.json · llms.txt · forecast verification. Not for operational use.