Fog in Churchill, MB

daily fog outlook & 2016–2026 climatology
Forecast feed initializing for this station. August typically brings about 11 hours of dense fog here (10-year average).

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

Measuring station

stationairportfog hours/yrforecast
CYYQChurchill Airport112 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 Churchill fogs in

Fog here concentrates in June and July — about 112 hours in a typical year at CYYQ, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the CYYQ station page.

Fog season

January: ~5 hJanFebruary: ~5 hFebMarch: ~12 hMarApril: ~3 hAprMay: ~14 hMayJune: ~19 hJunJuly: ~17 hJulAugust: ~11 hAugSeptember: ~7 hSepOctober: ~6 hOctNovember: ~4 hNovDecember: ~7 hDec
Fog season is January, February, March, May, June, July, August, September, October, December, peaking in June; fog is mostly a 1 AM–10 AM phenomenon; typically thinning out by 5 PM; 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.