Fog in Kuujjuarapik, QC

daily fog outlook & 2016–2026 climatology
Fog possible — NWS guidance shows a fog signal in the next 48 hours. August typically brings about 13 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

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

Measuring station

stationairportfog hours/yrforecast
CYGWKuujjuarapik Airport153 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 Kuujjuarapik fogs in

Fog here concentrates in July and June — about 153 hours in a typical year at CYGW, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the CYGW station page.

Fog season

January: ~6 hJanFebruary: ~8 hFebMarch: ~6 hMarApril: ~9 hAprMay: ~19 hMayJune: ~25 hJunJuly: ~32 hJulAugust: ~13 hAugSeptember: ~4 hSepOctober: ~3 hOctNovember: ~6 hNovDecember: ~20 hDec
Fog season is February, April, May, June, July, August, December, peaking in July; fog here can hit at any hour of the day; a typical event lasts about 1 hour once it forms local time · 10-yr average

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