Weather in Französisch-Guayana in August
Country-wide climate normals across 15 cities in Französisch-Guayana.
How Hot Is Französisch-Guayana in August?
Französisch-Guayana sees consistently hot August weather — average highs of 31°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 Französisch-Guayana in August
Limited sunshine and short daylight define Französisch-Guayana's August: Cayenne averages just 0.8h of direct sun, with the sun up between 6:25 am and 6:40 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In Französisch-Guayana In August?
Wet conditions dominate Französisch-Guayana in August — Cayenne sees 192mm of rain across 21 days, with rain a near-daily feature in most regions. Some areas see considerably more, particularly mountain-facing or windward coasts. Plan around frequent showers and pack reliable rainwear.
Is Französisch-Guayana Humid In August?
Französisch-Guayana is enveloped in tropical-thick humidity through August: Cayenne averages 80%, 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 Französisch-Guayana In August
Gentle steady winds define Französisch-Guayana's August: Cayenne averages 12 kph, with conditions consistent across most regions. The breeze keeps warm days bearable without being a nuisance.
Cloud Cover In Französisch-Guayana In August
Heavy overcast covers Französisch-Guayana in August: 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.