Fog in Mérida

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 1 hour of dense fog here (10-year average).

Measured at Manuel Crescencio Rejón International Airport (MMMD). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
MMMDManuel Crescencio Rejón International Airport8 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 Mérida fogs in

Fog here concentrates in December and November — about 8 hours in a typical year at MMMD, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the MMMD station page.

Fog season

January: ~0 hJanFebruary: ~0 hFebMarch: ~0 hMarApril: ~0 hAprMay: ~0 hMayJune: ~0 hJunJuly: ~0 hJulAugust: ~1 hAugSeptember: ~0 hSepOctober: ~0 hOctNovember: ~1 hNovDecember: ~4 hDec
Fog season is December, peaking in December; fog is mostly a 4 AM–6 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.