Weather in Guiana Perancis in Januari
Country-wide climate normals across 15 cities in Guiana Perancis.
How Hot Is Guiana Perancis in Januari?
Guiana Perancis sees consistently hot January weather — average highs of 28°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 Guiana Perancis in Januari
Guiana Perancis sees limited sun in January: just 0.7h a day in Cayenne, with heavy cloud cover common across most regions. Daylight runs from 6:40 am to 6:35 pm, but persistent grey skies and overcast stretches mean direct sunlight is genuinely scarce. Many days pass without any prolonged sunny spells.
Does It Rain In Guiana Perancis In Januari?
Monsoon-like conditions dominate Guiana Perancis's January: Cayenne sees 316mm of rain across 25 days, similar nationwide. Heavy showers fall almost daily, often in dramatic afternoon downpours. Sunshine is brief between storms, and humidity stays high throughout the month.
Is Guiana Perancis Humid In Januari?
Saturated air defines Guiana Perancis's January: humidity at 85% in Cayenne, with the country as a whole feeling muggy and oppressive. The air practically drips after rain, and even shaded outdoor areas feel warm and clammy. Plan indoor time during the most humid afternoon hours.
Wind In Guiana Perancis In Januari
Guiana Perancis's January has gentle wind — Cayenne averages 13 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In Guiana Perancis In Januari
Heavy overcast covers Guiana Perancis in January: 79% 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.