Weather in Dominica in August
Country-wide climate normals across 15 cities in Dominica.
How Hot Is Dominica in August?
Uniform heat across Dominica's August: averages climb to 28°C nationally with overnight lows of 25°C, narrow spread from coast to interior. The hottest cities like Soufrière register similar readings to the coolest, so plan for consistently hot weather across the country.
Sunshine in Dominica in August
Dominica sees limited sun in August: just 1.2h a day in Roseau, with heavy cloud cover common across most regions. Daylight runs from 5:50 am to 6:25 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 Dominica In August?
Wet conditions dominate Dominica in August — Roseau sees 155mm of rain across 23 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 Dominica Humid In August?
Dominica is enveloped in tropical-thick humidity through August: Roseau averages 77%, 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 Dominica In August
Dominica sees consistent breezes in August — averaging 24 kph in Roseau, with similar windy conditions across most regions. Coastal and exposed inland cities often see considerably more, especially in the afternoons. Wind-sensitive plans should factor this in.
Cloud Cover In Dominica In August
Heavy overcast covers Dominica in August: 77% cloud cover in Roseau, 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.