Fog in Pärnu

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 5 hours of dense fog here (10-year average).

Measured at Pärnu Airport (EEPU). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
EEPUPärnu Airport132 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 Pärnu fogs in

Fog here concentrates in March and December — about 132 hours in a typical year at EEPU, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the EEPU station page.

Fog season

January: ~13 hJanFebruary: ~16 hFebMarch: ~19 hMarApril: ~10 hAprMay: ~2 hMayJune: ~3 hJunJuly: ~6 hJulAugust: ~5 hAugSeptember: ~16 hSepOctober: ~8 hOctNovember: ~14 hNovDecember: ~18 hDec
Fog season runs July through April, peaking in March; fog is mostly a 4 AM–10 AM phenomenon; typically thinning out by 5 PM; 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.