Weather in Guiana Perancis in Mac
Country-wide climate normals across 15 cities in Guiana Perancis.
How Hot Is Guiana Perancis in Mac?
Guiana Perancis bakes evenly in March — highs around 29°C are typical from Kourou all the way to Grand-Santi, with very little regional variation. Lows sit around 23°C even overnight, and the country's small geographic footprint means there are no significant climate pockets. Expect uniform heat day and night.
Sunshine in Guiana Perancis in Mac
Dark, overcast days dominate Guiana Perancis in March — Cayenne sees just 0.7h 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 Guiana Perancis In Mac?
Monsoon-like conditions dominate Guiana Perancis's March: Cayenne sees 262mm of rain across 23 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 Mac?
Guiana Perancis is enveloped in tropical-thick humidity through March: Cayenne averages 83%, and most of the country tracks similarly. The constant moisture makes warm temperatures feel substantially hotter, and even nights bring limited cooling. Light cotton clothing is essential.
Wind In Guiana Perancis In Mac
Light breezes are typical across Guiana Perancis in March: 14 kph in Cayenne, with similar gentle wind conditions in most regions. The air moves enough to keep things fresh on warm days but not enough to be disruptive. Coastal cities may see slightly more.
Cloud Cover In Guiana Perancis In Mac
Guiana Perancis's March is dominated by overcast skies: Cayenne averages 80% cloud cover, with similar grey persistence across the country. Days feel dim and soft-lit, with little break in the cloud deck.