Fog in Gander, NL

daily fog outlook & 2016–2026 climatology
Forecast feed initializing for this station. August typically brings about 16 hours of dense fog here (10-year average).

Measured at Gander International Airport (CYQX). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
CYQXGander International Airport270 h/yrverifying

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 Gander fogs in

Fog here concentrates in April and June — about 270 hours in a typical year at CYQX, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the CYQX station page.

Fog season

January: ~18 hJanFebruary: ~12 hFebMarch: ~16 hMarApril: ~39 hAprMay: ~28 hMayJune: ~37 hJunJuly: ~21 hJulAugust: ~16 hAugSeptember: ~13 hSepOctober: ~25 hOctNovember: ~28 hNovDecember: ~17 hDec
Fog season is year-round, peaking in April; fog is mostly a 11 PM–8 AM phenomenon; typically thinning out by noon; 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.