The weather in January in Roseau
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.
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.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January for Roseau, Dominica. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
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.
Water temperature
The water temperature at Roseau is 28°C this month. Nice and warm for a swim.
Rainfall amount
In January, there is an average of 127 mm of precipitation, spread over 16 days. The wind speed is around 5 Bft, mostly coming from the East.
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.
January weather comparison
Roseau | New York | |
---|---|---|
Average temperature | 30°C | 5°C |
Max. temperature | 30°C | 11°C |
Min. temperature | 22°C | -5°C |
Total precipitation | 127 mm | 97 mm |
Rainy days | 16 days | 12 days |
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.
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.
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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.
Check out the climate of Roseau for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in January in Roseau, Dominica. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in January in Roseau
Temperature in January in Roseau over the years
Precipitation charts
These charts show the average amount of precipitation in January in Roseau, Dominica. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in January in Roseau
Total precipitation in January in Roseau over the years
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.
Weather experiences in January in Roseau
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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.