BGGH — Nuuk International Airport

fog forecast & climatology · Nuuk city page · full 10-year analysis →
No fog forecast feed exists for this station. September typically brings about 16 hours of dense fog here (10-year average).

Fog hours per year
340 h below CAT I minima (2016–2026 average)
Fog season
August and July
Typical fog event
~1 h once it forms (middle half 1–3 h, n=1261)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Nuuk International Airport spends 340 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in August and July. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~20 hJanFebruary: ~16 hFebMarch: ~22 hMarApril: ~19 hAprMay: ~39 hMayJune: ~49 hJunJuly: ~59 hJulAugust: ~69 hAugSeptember: ~16 hSepOctober: ~9 hOctNovember: ~8 hNovDecember: ~11 hDec
Fog season is January, March, April, May, June, July, August, peaking in August; fog is mostly a 11 PM–9 AM phenomenon; typically thinning out by noon; 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.