Fog in Toyama

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 Toyama Kitokito Airport (RJNT). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
RJNTToyama Kitokito Airport28 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 Toyama fogs in

Fog here concentrates in January and February — about 28 hours in a typical year at RJNT, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the RJNT station page.

Fog season

January: ~19 hJanFebruary: ~14 hFebMarch: ~3 hMarApril: ~3 hAprMay: ~0 hMayJune: ~2 hJunJuly: ~1 hJulAugust: ~0 hAugSeptember: ~0 hSepOctober: ~0 hOctNovember: ~0 hNovDecember: ~3 hDec
Fog season runs January through February, peaking in January; fog is mostly a 1 AM–1 AM phenomenon; typically thinning out by 2 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.