Weather in Saint Lucia in december
Country-wide climate normals across 15 cities in Saint Lucia.
How Hot Is Saint Lucia in december?
Saint Lucia sees consistently hot December weather — average highs of 28°C, average lows of 25°C, with minimal regional differences. Whether you're in Gros Islet or one of the coastal cities, conditions feel broadly the same: hot, generally clear, with little night-time relief.
Sunshine in Saint Lucia in december
Dark, overcast days dominate Saint Lucia in December — Gros Islet sees just 1.5h of sun a day, and the pattern is similar across most regions. Cloud cover is heavy and persistent, with even the brighter regions struggling to escape the gloom for long.
Does It Rain In Saint Lucia In december?
Typical December rainfall covers Saint Lucia: about 65mm in Gros Islet across 17 days, with wetter conditions in coastal regions and drier conditions inland. Expect showers about half the days, but extended dry stretches between them. The pattern is variable but predictable.
Is Saint Lucia Humid In december?
Heavy oppressive humidity covers Saint Lucia in December: 76% on average in Gros Islet, and similar saturating conditions exist nationwide. The air feels thick and heavy from sunrise to sundown, with little overnight respite. Coastal and tropical regions feel especially stifling.
Wind In Saint Lucia In december
Persistent breeze shapes Saint Lucia's December: 28 kph in Gros Islet, with consistent wind across the country. The conditions are ideal for sailing and other wind sports, but can be disruptive for fine outdoor work.
Cloud Cover In Saint Lucia In december
Saint Lucia sees mostly cloudy weather through December: Gros Islet averages 74% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.