DominicaAverage weather for Roseau in August
It's hot in August in Roseau with an average temperature of 32°C. Temperatures this month range from a low of 32°C to a high of 33°C. At night, you can expect temperatures between 24°C and 26°C.
Start of August
The month of August starts in Roseau with hot temps, averaging around 33°C during the day and nights around 25°C. There are plenty of days with a good chance of precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid August
By mid-August, daytime temps stay steady at around 33°C, with nights around 25°C. There’s a high chance of precipitation during this time. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of August
By the end of August, the average daytime temperature in Roseau is around 33°C, while nighttime temps are about 25°C. There’s a significant chance of many days with precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Water temperature
The water temperature at Roseau is 30°C this month. It’s really warm, perfect for a swim.
In August, there is an average of 225 mm of precipitation, spread over 20 days. The wind speed is around 5 Bft, mostly coming from the East.
Roseau in August |
New York | ||
|---|---|---|---|
 Average temperature |
32°C | 30°C | |
 Max. temperature |
33°C | 31°C | |
| Min. temperature |
32°C | -5°C | |
 Total precipitation |
225 mm | 79 mm | |
| Rainy days |
20 days | 13 days | |
July
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is August a good time to visit Roseau?
Looking for sun? August isn’t a good month to be in Roseau. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 35°C in 2023, Roseau reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 27°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 8°C to a highest value of 28°C.
Check out the climate of Roseau for all months and discover the best travel time
Daily Temperature in August in Roseau
This chart shows the average daily high and low temperatures in August for Roseau, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in August in Roseau
The chart below shows the average daily precipitation in August for Roseau, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 20 days of precipitation in Roseau.
Daily UV index in August in Roseau
This chart shows the average daily UV index in August in Roseau, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Roseau over the years
This chart shows the average temperature in August in Roseau, measured in degrees Celsius, over the past few years.
Total precipitation in August in Roseau over the years
This chart shows the average precipitation in August in Roseau, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in August for Roseau
Click on any day in August to get detailed info about the usual weather on that day in Roseau. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Roseau
Have you been to Roseau in August?
Share your weather experience in August in Roseau.
Average weather in Roseau by month
Click on a month below to see detailed weather info for Roseau. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
