FNBC — Mbanza Congo Airport

fog forecast & climatology · Mbanza Congo city page · full 10-year analysis →
No fog forecast feed exists for this station. September typically brings about 34 hours of dense fog here (10-year average).

Fog hours per year
276 h below CAT I minima (2016–2026 average)
Fog season
March and May
Typical fog event
~1 h once it forms (middle half 1–2 h, n=189)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Mbanza Congo Airport spends 276 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in March and May. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~8 hJanFebruary: ~7 hFebMarch: ~38 hMarApril: ~13 hAprMay: ~37 hMayJune: ~27 hJunJuly: ~24 hJulAugust: ~5 hAugSeptember: ~34 hSepOctober: ~15 hOctNovember: ~10 hNovDecember: ~6 hDec
Fog season is March, April, May, June, July, September, October, November, peaking in March; fog is mostly a 6 AM–8 AM phenomenon; typically thinning out by 9 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.