Fog in Sibu

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 2 hours of dense fog here (10-year average).

Measured at Sibu Airport (WBGS). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
WBGSSibu Airport26 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 Sibu fogs in

Fog here concentrates in June and February — about 26 hours in a typical year at WBGS, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the WBGS station page.

Fog season

January: ~3 hJanFebruary: ~3 hFebMarch: ~2 hMarApril: ~2 hAprMay: ~1 hMayJune: ~3 hJunJuly: ~1 hJulAugust: ~2 hAugSeptember: ~2 hSepOctober: ~1 hOctNovember: ~2 hNovDecember: ~3 hDec
Fog season is January, February, March, April, June, August, September, November, December, peaking in January; fog is mostly a 6 AM–7 AM phenomenon; typically thinning out by 9 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.