December weather forecastSaint George's, Grenada

Weather in December

Saint George's in December can be described as a tropical winter paradise. Conditions mellow down with temperature, rainfall, and sunlight hours decreasing to their lowest comparative standards of the year. Notably, the sea remains pleasantly warm, inviting for water sports enthusiasts. The notable change in December's weather is the rainfall reduction to 55mm (2.17"), representing winter's onset for Saint George's. Consequently, visitors during December can expect honey-colored sunshine days, mildly peppered with light showers.

Temperature

December displays an average high temperature of a still moderately hot 28.8°C (83.8°F), showing only minor variations from November. In Saint George's, the nocturnal temperatures throughout December show a marginal dip from the daytime averages, settling at a still moderately hot 24.4°C (75.9°F).

Rainfall

In Saint George's, in December, during 18 rainfall days, 55mm (2.17") of precipitation is typically accumulated. In Saint George's, during the entire year, the rain falls for 180 days and collects up to 1451mm (57.13") of precipitation.

Sea temperature

In December, the average sea temperature is 27.9°C (82.2°F).
Note: In water temperatures ranging between 25°C (77°F) and 29°C (84.2°F), activities such as swimming and diving become highly pleasurable for long durations.

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 06:12 and sunset at 17:40. On the last day of December, sunrise is at 06:27 and sunset at 17:53 AST.

Sunshine

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

UV index

December is the month with the lowest UV index, with an average maximum UV index of 9. A UV Index estimate of 8 to 10 represents a very high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 9 during December translates into the following directions:
Be proactive in protecting yourself; skin and eyes can be harmed if left unprotected. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat. Even under cloud cover, use sunscreen with at least an SPF 30 generously and reapply frequently post every swim or outdoor exercise. Caution! The mirror effect of sand and water ups the UV radiation strength.