Fog in Altamira

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 Altamira Interstate Airport (SBHT). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
SBHTAltamira Interstate Airport10 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 Altamira fogs in

Fog here concentrates in December and April — about 10 hours in a typical year at SBHT, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the SBHT station page.

Fog season

January: ~0 hJanFebruary: ~0 hFebMarch: ~0 hMarApril: ~2 hAprMay: ~1 hMayJune: ~1 hJunJuly: ~0 hJulAugust: ~0 hAugSeptember: ~0 hSepOctober: ~0 hOctNovember: ~0 hNovDecember: ~16 hDec
Fog season is December, peaking in December; fog is mostly a 4 AM–4 AM phenomenon; typically thinning out by 5 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.