December weather forecast
Saint Lawrence, Barbados

December, the final month of the year, brings a full circle to the weather cycle in Saint Lawrence. The temperatures begin their first considerable descent since the beginning of the year, dipping to an average low of 22°C (71.6°F). Alongside, a significant reduction of rainfall is noticeable as the month proceeds, paving the way for drier days. Even during this cooler month, the sea temperature retains its warmth, inviting for seaside retreats. The length of daylight reduces further, synchronizing with the onset of the holiday season.

Temperature

The start of December is marked by an average high temperature of a still moderately hot 29°C (84.2°F), showing little divergence from November. During December, the average low-temperature is an agreeable 22°C (71.6°F).

Rainfall

In Saint Lawrence, during December, the rain falls for 14 days and regularly aggregates up to 96mm (3.78") of precipitation. Throughout the year, in Saint Lawrence, there are 156 rainfall days, and 1238mm (48.74") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature in Saint Lawrence is 27°C (80.6°F).
Note: Water temperatures from 25°C (77°F) to 29°C (84.2°F) make swimming, diving, and similar activities highly pleasurable and enjoyable for long periods without discomfort.

Daylight

December has the shortest days of the year, with an average of 11h and 24min of daylight.
On the first day of the month, sunrise is at 06:05 and sunset at 17:29. On the last day of December, sunrise is at 06:20 and sunset at 17:42 AST.

Sunshine

The average sunshine in December is 8h.

UV index

The month with the lowest UV index in Saint Lawrence is December, with an average maximum UV index of 9. A UV Index reading of 8 to 10 represents a very high threat to health from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 9 in December translates into the following recommendations:
Always prioritize safety measures. Rapid harm can befall unprotected skin and eyes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays. One should apply and reapply liberally a broad-spectrum sunscreen of SPF 30+ every two hours and immediately after a swim or an outdoor exercise. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.