Fog in Kushiro

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 176 hours of dense fog here (10-year average).

Measured at Kushiro Airport (RJCK). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
RJCKKushiro Airport625 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 Kushiro fogs in

Fog here concentrates in July and August — about 625 hours in a typical year at RJCK, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the RJCK station page.

Fog season

January: ~4 hJanFebruary: ~14 hFebMarch: ~38 hMarApril: ~69 hAprMay: ~106 hMayJune: ~166 hJunJuly: ~191 hJulAugust: ~176 hAugSeptember: ~78 hSepOctober: ~17 hOctNovember: ~9 hNovDecember: ~14 hDec
Fog season runs April through September, peaking in July; fog is mostly a 9 PM–7 AM phenomenon; typically thinning out by 9 AM; a typical event lasts about 2 hours once it forms local time · 10-yr average

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