Fog in Ipswich, Suffolk

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 Wattisham Airfield (EGUW). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
EGUWWattisham Airfield275 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 Ipswich, Suffolk fogs in

Fog here concentrates in December and January — about 275 hours in a typical year at EGUW, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the EGUW station page.

Fog season

January: ~41 hJanFebruary: ~23 hFebMarch: ~28 hMarApril: ~19 hAprMay: ~13 hMayJune: ~11 hJunJuly: ~2 hJulAugust: ~6 hAugSeptember: ~17 hSepOctober: ~22 hOctNovember: ~30 hNovDecember: ~65 hDec
Fog season runs September through April, peaking in December; fog is mostly a 10 PM–8 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.