Fog in Riga

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 Riga International Airport (EVRA). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
EVRARiga International Airport73 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 Riga fogs in

Fog here concentrates in November and February — about 73 hours in a typical year at EVRA, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the EVRA station page.

Fog season

January: ~6 hJanFebruary: ~8 hFebMarch: ~7 hMarApril: ~4 hAprMay: ~2 hMayJune: ~4 hJunJuly: ~2 hJulAugust: ~5 hAugSeptember: ~8 hSepOctober: ~6 hOctNovember: ~13 hNovDecember: ~8 hDec
Fog season is January, February, March, April, June, August, September, October, November, December, peaking in November; fog is mostly a 1 AM–9 AM phenomenon; typically thinning out by 2 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.