Fog in Jyväskylän Maalaiskunta

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 12 hours of dense fog here (10-year average).

Measured at Jyväskylä Airport (EFJY). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
EFJYJyväskylä Airport140 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 Jyväskylän Maalaiskunta fogs in

Fog here concentrates in September and October — about 140 hours in a typical year at EFJY, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the EFJY station page.

Fog season

January: ~8 hJanFebruary: ~8 hFebMarch: ~10 hMarApril: ~6 hAprMay: ~5 hMayJune: ~5 hJunJuly: ~4 hJulAugust: ~12 hAugSeptember: ~34 hSepOctober: ~22 hOctNovember: ~16 hNovDecember: ~15 hDec
Fog season is March, August, September, October, November, December, peaking in September; fog is mostly a midnight–9 AM phenomenon; typically thinning out by 11 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.