Weather in Fransk Guyana in december
Country-wide climate normals across 15 cities in Fransk Guyana.
How Hot Is Fransk Guyana in december?
Fransk Guyana sees consistently hot December weather — average highs of 29°C, average lows of 23°C, with minimal regional differences. Whether you're in Cayenne or one of the coastal cities, conditions feel broadly the same: hot, generally clear, with little night-time relief.
Sunshine in Fransk Guyana in december
Dark, overcast days dominate Fransk Guyana in December — Cayenne sees just 0.6h 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 Fransk Guyana In december?
Fransk Guyana is in the heart of its rainy season: Cayenne measures 366mm of rain across 28 days in December, and the pattern repeats across nearly all regions. Persistent heavy rain, occasional thunderstorms, and saturated air define the entire country's weather.
Is Fransk Guyana Humid In december?
Heavy oppressive humidity covers Fransk Guyana in December: 87% on average in Cayenne, 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 Fransk Guyana In december
Gentle steady winds define Fransk Guyana's December: Cayenne averages 12 kph, with conditions consistent across most regions. The breeze keeps warm days bearable without being a nuisance.
Cloud Cover In Fransk Guyana In december
Heavy overcast covers Fransk Guyana in December: 80% cloud cover in Cayenne, with similar grey conditions in most regions. Direct sun is rare, and the pattern is persistent across the country. Coastal and northern regions feel especially heavy.