January weather forecast
Roseau, Dominica

The start of the year in Roseau, Dominica, presents a balanced mix of rain and sun. Rainfall during this period reaches 136mm (5.35") across 18 days, making the city lush and enhancing the vivid hues of its natural beauty. Sunlight is often a generous companion throughout the day, granting ample opportunities for outdoor activities. This month may not be as warm as the ones following, but it provides a balanced climate for those not accustomed to tropical temperatures. Meanwhile, the UV index starts to climb, necessitating a higher use of sun protection.

Temperature

During January, February and December, Roseau experiences its lowest temperatures, averaging a high-temperature of 29°C (84.2°F).

Rainfall

In Roseau, in January, it is raining for 18 days, with typically 136mm (5.35") of accumulated precipitation. In Roseau, during the entire year, the rain falls for 218 days and collects up to 1996mm (78.58") of precipitation.

Sea temperature

In Roseau, Dominica, the average seawater temperature in January is 27°C (80.6°F).
Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as ideal and highly pleasant for extended enjoyment in all water activities.

Daylight

The average length of the day in January in Roseau is 11h and 20min.
On the first day of January, sunrise is at 06:31 and sunset at 17:46. On the last day of the month, sunrise is at 06:34 and sunset at 18:02 AST.

Sunshine

January, February, September through December, with an average of 7h of sunshine, are months with the least sunshine.

UV index

In January, the average daily maximum UV index in Roseau is 9. A UV Index estimate of 8 to 10 represents a very high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 9 during January morphs into the following directions:
Act with caution. Neglecting protection can lead to skin and eye damage in moments. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Applying and reapplying liberally a broad-spectrum sunscreen of SPF 30+ every two hours, and straight after a swim or outdoor activity is recommended. Attention! The combination of sand and water reflections enhances UV ray intensity.