Fog in Almeirim

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. dense fog (visibility under a mile) is rare here in August (10-year average).

Measured at Monte Dourado - Serra do Areão Airport (SBMD). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
SBMDMonte Dourado - Serra do Areão Airport17 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 Almeirim fogs in

Fog here concentrates in May and March — about 17 hours in a typical year at SBMD. Hour-by-hour patterns, live conditions and the forecast strip live on the SBMD station page.

Fog season

January: ~1 hJanFebruary: ~1 hFebMarch: ~3 hMarApril: ~1 hAprMay: ~4 hMayJune: ~2 hJunJuly: ~1 hJulAugust: ~0 hAugSeptember: ~0 hSepOctober: ~0 hOctNovember: ~0 hNovDecember: ~0 hDec
Fog season is March, May, June, peaking in May; fog is mostly a 7 AM–7 AM phenomenon; typically thinning out by 9 AM local time · 10-yr average

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