Fog in San Luis

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 9 hours of dense fog here (10-year average).

Measured at Brigadier Mayor D Cesar Raul Ojeda Airport (SAOU). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
SAOUBrigadier Mayor D Cesar Raul Ojeda Airport70 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 San Luis fogs in

Fog here concentrates in June and July — about 70 hours in a typical year at SAOU, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the SAOU station page.

Fog season

January: ~5 hJanFebruary: ~1 hFebMarch: ~6 hMarApril: ~8 hAprMay: ~6 hMayJune: ~19 hJunJuly: ~9 hJulAugust: ~9 hAugSeptember: ~1 hSepOctober: ~0 hOctNovember: ~0 hNovDecember: ~0 hDec
Fog season is January, March, April, May, June, July, August, peaking in June; fog is mostly a 7 AM–9 AM phenomenon; typically thinning out by 10 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.