Weather in Guyane Française in août
Country-wide climate normals across 15 cities in Guyane Française.
How Hot Is Guyane Française in août?
Guyane Française 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 Guyane Française in août
Persistent cloud and grey skies define Guyane Française's August: about 0.8h of sun a day in Cayenne. Daylight is in short supply too, running from 6:25 am to 6:40 pm, and most regions of the country see similar overcast conditions. Bright stretches are uncommon and brief.
Does It Rain In Guyane Française In août?
Guyane Française's August is wet across most regions: 192mm in Cayenne across 21 days, with rain falling on most days of the month. Coastal and highland regions can see significantly more, while interior regions may stay slightly drier. Sunny stretches are brief and uncommon.
Is Guyane Française Humid In août?
Saturated air defines Guyane Française's August: humidity at 80% 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 Guyane Française In août
Guyane Française's August has gentle wind — Cayenne averages 12 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In Guyane Française In août
Guyane Française's August is dominated by overcast skies: Cayenne averages 79% cloud cover, with similar grey persistence across the country. Days feel dim and soft-lit, with little break in the cloud deck.