Weather in Französisch-Guayana in Mai
Country-wide climate normals across 15 cities in Französisch-Guayana.
How Hot Is Französisch-Guayana in Mai?
Französisch-Guayana bakes evenly in May — highs around 28°C are typical from Iracoubo 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 Französisch-Guayana in Mai
Limited sunshine and short daylight define Französisch-Guayana's May: Cayenne averages just 0.6h of direct sun, with the sun up between 6:15 am and 6:35 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 Mai?
Heavy seasonal rains saturate Französisch-Guayana in May — Cayenne averages 632mm of rain across 30 days, with downpours an almost daily feature. The pattern is consistent across most regions, particularly along monsoon-affected coasts. Expect torrential afternoon storms followed by humid heat.
Is Französisch-Guayana Humid In Mai?
Französisch-Guayana is enveloped in tropical-thick humidity through May: Cayenne averages 89%, 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 Mai
Französisch-Guayana's May 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 Französisch-Guayana In Mai
Französisch-Guayana's May 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.