Fog in Van Don

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 3 hours of dense fog here (10-year average).

Measured at Van Don International Airport (VVVD). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
VVVDVan Don International Airport35 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 Van Don fogs in

Fog here concentrates in February and March — about 35 hours in a typical year at VVVD, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the VVVD station page.

Fog season

January: ~2 hJanFebruary: ~8 hFebMarch: ~5 hMarApril: ~1 hAprMay: ~2 hMayJune: ~4 hJunJuly: ~3 hJulAugust: ~3 hAugSeptember: ~4 hSepOctober: ~0 hOctNovember: ~1 hNovDecember: ~0 hDec
Fog season is January, February, March, May, June, July, August, September, peaking in February; fog is mostly a 1 AM–4 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.