Fog in Ube

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 Yamaguchi Ube Airport (RJDC). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
RJDCYamaguchi Ube Airport24 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 Ube fogs in

Fog here concentrates in April and March — about 24 hours in a typical year at RJDC, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the RJDC station page.

Fog season

January: ~2 hJanFebruary: ~2 hFebMarch: ~8 hMarApril: ~9 hAprMay: ~4 hMayJune: ~3 hJunJuly: ~4 hJulAugust: ~0 hAugSeptember: ~0 hSepOctober: ~0 hOctNovember: ~0 hNovDecember: ~0 hDec
Fog season runs March through July, peaking in April; fog is mostly a 10 PM–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.