Fog in Borlange

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 9 hours of dense fog here (10-year average).

Measured at Dala Airport (ESSD). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
ESSDDala Airport149 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 Borlange fogs in

Fog here concentrates in December and November — about 149 hours in a typical year at ESSD, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the ESSD station page.

Fog season

January: ~21 hJanFebruary: ~7 hFebMarch: ~11 hMarApril: ~5 hAprMay: ~3 hMayJune: ~1 hJunJuly: ~2 hJulAugust: ~9 hAugSeptember: ~19 hSepOctober: ~11 hOctNovember: ~28 hNovDecember: ~35 hDec
Fog season is January, March, August, September, October, November, December, peaking in December; fog is mostly a 8 PM–9 AM phenomenon; 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.