FYOG — Oranjemund Airport

fog forecast & climatology · Oranjemund city page · full 10-year analysis →
No fog forecast feed exists for this station. September typically brings about 24 hours of dense fog here (10-year average).

Fog hours per year
204 h below CAT I minima (2016–2026 average)
Fog season
May and July
Typical fog event
~1 h once it forms (middle half 1–2 h, n=239)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Oranjemund Airport spends 204 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in May and July. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~10 hJanFebruary: ~5 hFebMarch: ~8 hMarApril: ~19 hAprMay: ~41 hMayJune: ~21 hJunJuly: ~26 hJulAugust: ~17 hAugSeptember: ~24 hSepOctober: ~1 hOctNovember: ~3 hNovDecember: ~8 hDec
Fog season runs April through September, peaking in May; fog is mostly a 5 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

For flight operations

EFVS crews: the CHASE board ranks airports by live fog status, approach lighting, go-around height and flight time from your base. Forecast probabilities publish here per-airport once the calibrated model beats climatology on live verification — receipts on the scorecard. Methodology.

Sources: NOAA/NWS National Blend of Models guidance · METAR observations 2016–2026 (Iowa Environmental Mesonet) · FAA NASR. Machine access: data.json · llms.txt. Not for operational use.