DominicaAverage weather for Roseau in January
It's hot in January in Roseau with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 30°C. At night, you can expect temperatures between 22°C and 24°C.
Start of January
The month of January starts in Roseau with hot temps, averaging around 30°C during the day and nights around 23°C. There are plenty of days with a good chance of precipitation.
Mid January
By mid-January, daytime temps stay steady at around 30°C, with nights around 23°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of January
By the end of January, the average daytime temperature in Roseau is around 30°C, while nighttime temps are about 23°C. A shower might pop up, but overall, the weather will be dry and sunny.
Water temperature
The water temperature at Roseau is 28°C this month. Nice and warm for a swim.
In January, there is an average of 127 mm of precipitation, spread over 17 days. The wind speed is around 5 Bft, mostly coming from the East.
Roseau in January |
New York | ||
|---|---|---|---|
 Average temperature |
30°C | 5°C | |
 Max. temperature |
30°C | 11°C | |
| Min. temperature |
29°C | -5°C | |
 Total precipitation |
127 mm | 97 mm | |
| Rainy days |
17 days | 12 days | |
December
UV index
The UV index is a maximum of 9 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 January a good time to visit Roseau?
Looking for sun? January isn’t a good month to be in Roseau. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 32°C in 2021, Roseau reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 26°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 19°C to a highest value of 25°C.
Check out the climate of Roseau for all months and discover the best travel time
Daily Temperature in January in Roseau
This chart shows the average daily high and low temperatures in January 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 January in Roseau
The chart below shows the average daily precipitation in January 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 January, you can expect about 17 days of precipitation in Roseau.
Daily UV index in January in Roseau
This chart shows the average daily UV index in January 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 January in Roseau over the years
This chart shows the average temperature in January in Roseau, measured in degrees Celsius, over the past few years.
Total precipitation in January in Roseau over the years
This chart shows the average precipitation in January in Roseau, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in January for Roseau
Click on any day in January 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 January in Roseau
Have you been to Roseau in January?
Share your weather experience in January 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.
