Fog in Pekanbaru

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 Sultan Syarif Kasim II International Airport / Roesmin Nurjadin AFB (WIBB). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
WIBBSultan Syarif Kasim II International Airport / Roesmin Nurjadin AFB32 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 Pekanbaru fogs in

Fog here concentrates in December and November — about 32 hours in a typical year at WIBB, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the WIBB station page.

Fog season

January: ~2 hJanFebruary: ~2 hFebMarch: ~1 hMarApril: ~3 hAprMay: ~3 hMayJune: ~2 hJunJuly: ~3 hJulAugust: ~3 hAugSeptember: ~3 hSepOctober: ~3 hOctNovember: ~4 hNovDecember: ~4 hDec
Fog season runs April through February, peaking in November; fog is mostly a 5 AM–7 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.