January weather forecast
Grenadines, Saint Vincent and the Grenadines

January represents one of the cooler months in Grenadines, Saint Vincent and the Grenadines, with temperatures still being quite mild. January sees the start of the new year with fluctuating temperature high of 29°C (84.2°F) and a low of 21°C (69.8°F). The UV index reading is relatively high, implying that sun protection is indeed necessary. There is appreciable rainfall, suggesting the possibility of unexpected showers. The first month of the year has traditionally been a popular time for locals and tourists alike to enjoy the area's natural beauty.

Temperature

The months of January through March and December see the lowest levels of Grenadines's temperatures, averaging a high of 29°C (84.2°F).

Rainfall

In Grenadines, during January, the rain falls for 16 days and regularly aggregates up to 78mm (3.07") of precipitation. In Grenadines, Saint Vincent and the Grenadines, during the entire year, the rain falls for 200 days and collects up to 1594mm (62.76") of precipitation.

Sea temperature

The months with the coldest seawater are January through April and December, with an average sea temperature of 27°C (80.6°F).
Note: Between the temperatures of 25°C (77°F) and 29°C (84.2°F), water is considered very warm, providing pleasure in water activities without discomfort over lengthy periods.

Daylight

The average length of the day in January in Grenadines is 11h and 28min.
On the first day of January, sunrise is at 06:27 and sunset at 17:49. On the last day of the month, sunrise is at 06:31 and sunset at 18:05 AST.

Sunshine

The months with the most sunshine in Grenadines are January through May and August, with an average of 8h of sunshine.

UV index

In January, the average daily maximum UV index is 10. A UV Index reading of 8 to 10 represents a very high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 10 during January translates into these guidelines:
Always use protective measures; unprotected skin might suffer damage in a short span. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Despite the cloudy weather, sunscreen with a sun protection factor of at least 30 should be liberally applied and reapplied, including after a swim or outdoor activity. Beware! Reflections from sand and water can intensify the Sun's UV radiation.