Fog in Chetumal

daily fog outlook & 2016–2026 climatology
Forecast feed initializing for this station. August typically brings about 1 hour of dense fog here (10-year average).

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

Measuring station

stationairportfog hours/yrforecast
MMCMChetumal International Airport19 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 Chetumal fogs in

Fog here concentrates in January and December — about 19 hours in a typical year at MMCM, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the MMCM station page.

Fog season

January: ~13 hJanFebruary: ~1 hFebMarch: ~0 hMarApril: ~0 hAprMay: ~0 hMayJune: ~0 hJunJuly: ~0 hJulAugust: ~1 hAugSeptember: ~0 hSepOctober: ~1 hOctNovember: ~2 hNovDecember: ~2 hDec
Fog season is January, peaking in January; fog is mostly a 5 AM–5 AM phenomenon; typically thinning out by 8 AM; 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.