Fog in Saint Peter Port

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 36 hours of dense fog here (10-year average).

Measured at Guernsey Airport (EGJB). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
EGJBGuernsey Airport367 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 Saint Peter Port fogs in

Fog here concentrates in February and June — about 367 hours in a typical year at EGJB, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the EGJB station page.

Fog season

January: ~37 hJanFebruary: ~42 hFebMarch: ~37 hMarApril: ~21 hAprMay: ~34 hMayJune: ~44 hJunJuly: ~34 hJulAugust: ~36 hAugSeptember: ~16 hSepOctober: ~15 hOctNovember: ~16 hNovDecember: ~30 hDec
Fog season is year-round, peaking in June; fog here can hit at any hour of the day; 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.