30YearWeather
Roseau in August
Roseau weather in August - Dominica
🌧️Wet Season

Roseau Weather in August

Plan your August trip to Roseau, Dominica. Based on 30 years of NASA data, expect temperatures of 29°C (high) to 26°C (low), with 41% rain probability and 8 hours of daily sunshine. Pack rain gear for around 29 rainy days.

Avg High
29°C

Hottest around day 29

Avg Low
26°C

Coolest around day 1

Rainy Days
29days

41% avg rain chance

Sunshine
8hrs/day

Summer season

Roseau August Weather Calendar

Click any day to see detailed weather information

Currency

XCD

$ Eastern Caribbean dollar

Language

English

Driving

Left side

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Health & Safety Advisory

CDC travel health recommendations

7 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Dominica.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers of all ages traveling to Dominica.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Dominica.If rabies exposures occur while in Dominica, rabies vaccines may only be available in larger suburban/urban medical facilities.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Typhoid

Recommended for most travelers, especially those staying with friends or relatives or visiting smaller cities or rural areas.

+1 more

Source: CDC Travelers' Health

View Complete Health Guide

Is August a Good Time to Visit Roseau?

🤔Requires preparation but many visit successfully
Short Answer

Tropical storm season is active in Roseau during August. Average conditions (29°C, 41% rain) can be interrupted by severe weather. Monitor forecasts closely.

Decision Factors

Atlantic Hurricane season active

Atlantic zone - expect potential atlantic hurricane activity

Oppressive heat and humidity

28.7°C with 83% humidity - challenging conditions

Vaccinations required

Yellow Fever

Feels significantly hotter than 28.7°C

Heat index: 35°C due to 83% humidity

Seismically active region

9 earthquakes recorded in this month (30-year data)

Health precautions needed

Be aware of: Leptospirosis, African Tick-Bite Fever, Dengue

Good For

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 🏖️
    Beach lovers

    Sea temperature only undefined°C - too cold for comfortable swimming

  • 👴
    Elderly travelers

    83% humidity creates difficult conditions

  • 💼
    Business travelers

    Storm season may cause flight disruptions

  • 🌡️
    Heat-sensitive visitors

    35°C feels-like temperature creates discomfort

930 observations30-year historical data
Confidence: 90%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Roseau in August averages 29°C with 41% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Roseau in August

What are the temperatures in Roseau in August?

Daytime highs average 29°C, nights drop to 26°C. Temperatures remain fairly consistent.

How many rainy days in Roseau in August?

Expect around 29 days with measurable rainfall. An umbrella is advisable.

What to wear in Roseau in August?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is August peak season in Roseau?

This is shoulder season—moderate prices and manageable crowds.