Fog in Londrina

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 3 hours of dense fog here (10-year average).

Measured at Governor José Richa Airport (SBLO). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
SBLOGovernor José Richa Airport50 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 Londrina fogs in

Fog here concentrates in May and June — about 50 hours in a typical year at SBLO, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the SBLO station page.

Fog season

January: ~4 hJanFebruary: ~3 hFebMarch: ~2 hMarApril: ~3 hAprMay: ~9 hMayJune: ~8 hJunJuly: ~3 hJulAugust: ~3 hAugSeptember: ~3 hSepOctober: ~4 hOctNovember: ~3 hNovDecember: ~5 hDec
Fog season runs April through February, peaking in May; fog is mostly a 2 AM–8 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.