Fog in Norwich, Norfolk

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 8 hours of dense fog here (10-year average).

Measured at Norwich Airport (EGSH). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
EGSHNorwich Airport208 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 Norwich, Norfolk fogs in

Fog here concentrates in December and January — about 208 hours in a typical year at EGSH, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the EGSH station page.

Fog season

January: ~23 hJanFebruary: ~12 hFebMarch: ~22 hMarApril: ~16 hAprMay: ~14 hMayJune: ~12 hJunJuly: ~7 hJulAugust: ~8 hAugSeptember: ~16 hSepOctober: ~17 hOctNovember: ~19 hNovDecember: ~43 hDec
Fog season runs September through June, peaking in December; fog is mostly a 10 PM–7 AM phenomenon; typically thinning out by 10 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.