Fog in Christchurch

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 23 hours of dense fog here (10-year average).

Measured at Christchurch International Airport (NZCH). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
NZCHChristchurch International Airport205 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 Christchurch fogs in

Fog here concentrates in May and June — about 205 hours in a typical year at NZCH, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the NZCH station page.

Fog season

January: ~4 hJanFebruary: ~8 hFebMarch: ~10 hMarApril: ~25 hAprMay: ~42 hMayJune: ~31 hJunJuly: ~29 hJulAugust: ~23 hAugSeptember: ~10 hSepOctober: ~10 hOctNovember: ~6 hNovDecember: ~4 hDec
Fog season runs April through August, peaking in May; fog is mostly a 10 PM–8 AM phenomenon; typically thinning out by 10 AM; a typical event lasts about 2 hours once it forms local time · 10-yr average

Machine access: data.json · llms.txt · forecast verification. Not for operational use.